SANS

Old posts >>

Number of industrial control systems on the internet is lower then in 2020...but still far from zero, (Wed, May 12th)

12 May 2021

With the recent ransomware attack that impacted operation of one of the major US pipelines[1], I thought it might be a good time to revisit the old topic of internet-connected industrial systems. Since operational technologies are generally used to support/control processes that directly impact the physical world, the danger of successful attacks on them should be self-evident, as should the need to protect them.

Microsoft May 2021 Patch Tuesday, (Tue, May 11th)

11 May 2021

This month we got patches for 55 vulnerabilities. Of these, 4 are critical, 3 were previously disclosed and none is being exploited according to Microsoft.

Correctly Validating IP Addresses: Why encoding matters for input validation., (Mon, May 10th)

10 May 2021

Recently, a number of libraries suffered from a very similar security flaw: IP addresses expressed in octal were not correctly interpreted. The result was that an attacker was able to bypass input validation rules that restricted IP addresses to specific subnets.

Who is Probing the Internet for Research Purposes?, (Sat, May 8th)

09 May 2021

Shodan&#;x26;#;x5b;1&#;x26;#;x5d; is one of the most familiar site for research on what is on the internet. In Oct 2020 I did a diary on Censys &#;x26;#;x5b;2&#;x26;#;x5d;&#;x26;#;x5b;3&#;x26;#;x5d;, another site collecting similar information like Shodan. The next two sites are regularly scanning the internet for data which isn&#;x26;#;39;t shared with the security community at large.


Sophos

Apple AirTag hacked again – free internet with no mobile data plan!

14 May 2021

More phun with Apple AirTags! Free internet, no data plan required... but it's s-l-o-o-o-w.

Gamers beware! Crooks take advantage of MSI download outage…

14 May 2021

Vendor's site offline? Can't wait for your download? Tempted to go trawling through the underweb to find an "unofficial" version?

Old posts >>

S3 Ep32: AirTag jailbreak, Dell vulns, and a never-ending scam [Podcast]

13 May 2021

Latest episode - listen now!

Beware fake online trading apps, on iOS as well as Android

12 May 2021

All that glisters is not gold/Often have you heard that told/Gilded tombs do worms enfold

Apple AirTag jailbroken already – hacked in rickroll attack

11 May 2021

Ooooh, look! A shiny button-like object!

Never say never! Warren Buffett caught up in integer overflow error…

10 May 2021

640Kbytes of RAM should be enough for anyone...

S3 Ep31: Apple zero-days, Flubot scammers and PHP supply chain bug [Podcast]

06 May 2021

Latest episode - listen now! (And please share with your friends.)

Firefox for Android gets critical update to block cookie-stealing hole

06 May 2021

This browser update is for everyone, but it's for Android users particularly.

Dell fixes exploitable holes in its own firmware update driver – patch now!

05 May 2021

These bugs date back to 2009, and they could give crooks who are already in your network access to sysadmin superpowers.

Apple products hit by fourfecta of zero-day exploits – patch now!

04 May 2021

Don't delay. Get these updates today.


TrendMicro

This Week in Security News May 14, 2021

14 May 2021

May Patch Tuesday Offers Relative Respite and What We Know About DarkSide Ransomware and the US Pipeline Attack

The Cybersecurity Executive Order: What does it mean?

14 May 2021

While much of the EO may not be new or bold concepts, the potential for long term impact to federal cybersecurity is high and immediate.

Old posts >>

May Patch Tuesday Offers Relative Respite

11 May 2021

Compared to the previous months of 2021, this month’s Patch Tuesday cycle is a slight lull. Only 55 vulnerabilities were fixed this month, with only four of these classified as Critical.

Open source protection that security teams will love

10 May 2021

Open source code is the gateway to quick application deployment – see how Trend Micro and Snyk have partnered up to create developer-friendly security for your open source components

Tips to avoid the new wave of ransomware attacks

10 May 2021

There have been a lot of changes in ransomware over time. We want to help you protect your organization from this growing attack trend.

This Week in Security News May 7, 2021

7 May 2021

New Panda Stealer Targets Cryptocurrency Wallets and Apple Releases Urgent Security Patches for Zero-Day Bugs

Physical Datacenter Security and Threat Mitigation

7 May 2021

Physical security may have more of an impact on cloud operations than you think

Proxylogon: A Coinminer, a Ransomware, and a Botnet Join the Party

6 May 2021

Our telemetry showed three malware families taking advantage of the ProxyLogon vulnerability beginning in March: the coinminer LemonDuck was sighted first, quickly followed by the ransomware BlackKingdom, then the Prometei botnet.

Mutated Scams: How to Protect Yourself from Pandemic-Fueled Cyberfraud

5 May 2021

Scammers took advantage of the surge in online activity during the pandemic, targeting businesses and buyers that were settling into new ways of transacting.

MITRE ATT&CK for Containers: Why It Matters

4 May 2021

The complexity of containers demands something to make sense of it all. Builders, operations teams and security teams need a single language to understand the risk associated with containers.

New Panda Stealer Targets Cryptocurrency Wallets

4 May 2021

In early April, we observed a new information stealer called Panda Stealer being delivered via spam emails. Based on Trend Micro's telemetry, United States, Australia, Japan, and Germany were among the most affected countries during a recent spam wave.

This Week in Security News - April 30, 2021

30 Apr 2021

Hacktivism’s reemergence explained and Hello ransomware uses updated China Chopper web shell

How Cybercriminals Abuse OpenBullet for Credential Stuffing

30 Apr 2021

In this blog, we detail how cybercriminals exploit OpenBullet, a legitimate web-testing software, to brute-force their way into targeted accounts.

How Trend Micro Helps Manage Exploited Vulnerabilities

28 Apr 2021

As technological innovations evolve, protecting companies from cyber threats tomorrow secures their businesses today. Read how Trend Micro protects customers from vulnerability exploits by blocking them as early as possible.

Water Pamola Attacked Online Shops Via Malicious Orders

28 Apr 2021

Since 2019, we have been tracking a threat campaign we dubbed as “Water Pamola.” The campaign initially compromised e-commerce online shops in Japan, Australia, and European countries via spam emails with malicious attachments.

Weaponized Deepfakes Are Getting Closer to Reality

28 Apr 2021

The first malicious use of video deepfakes may have been observed, making one of Trend Micro’s long-standing predictions a looming reality.

Hello Ransomware Uses Updated China Chopper Web Shell, SharePoint Vulnerability

27 Apr 2021

We discuss the technical features of a Hello ransomware attack, including its exploitation of CVE-2019-0604 and the use of a modified version of the China Chopper web shell.

This Week in Security News - April 23, 2021

23 Apr 2021

XCSSET Quickly Adapts to Macs and Babuk Ransomware Gang Claims Decryptor Repaired

Trend Micro Encourages Patching Of Old Vulnerability

22 Apr 2021

Trend Micro released several patches last year to address known vulnerabilities. Since that time, an attempt was observed to leverage one of these vulnerabilities in a single unpatched customer system.

Tor-Based Botnet Malware Targets Linux Systems, Abuses Cloud Management Tools

22 Apr 2021

We found a botnet malware campaign targeting Linux systems, abusing the Tor network for proxies, and exploiting cloud infrastructure management tools for intrusion.

The Storybook Approach to MITRE ATT&CK

20 Apr 2021

Read this year’s MITRE Engenuity ATT&CK Evaluations story, which simulates techniques associated with notorious threat groups Carbanak and FIN7 to test solutions' ability to detect and stop APT & Targeted Attacks.

Carbanak and FIN7 Attack Techniques

20 Apr 2021

What happens in Carbanak and FIN7 attacks? Here are some techniques used by these financially motivated threat groups that target banks, retail stores, and other establishments.

Could the Microsoft Exchange breach be stopped?

16 Apr 2021

A look at the latest Microsoft zero-day exploits and how Trend Micro could help protect you.

This Week in Security News - April 16, 2021

16 Apr 2021

April Patch Tuesday Sets Record High for 2021 and Fed Warns Cyber Threats Pose Danger to U.S Economy

XCSSET Quickly Adapts to macOS 11 and M1-based Macs

16 Apr 2021

This latest update details our new research on XCSSET, including the ways in which it has adapted itself to work on both ARM64 and x86_x64 Macs.

Cyber-insurers Endorse Cloud Security Platform

15 Apr 2021

With so many vendors in the market, the Marsh initiative has created the Cyber Catalyst to help IT buyers find the right option for them.

Celebrating 3 years of the Cybersecurity Tech Accord

14 Apr 2021

Cybersecurity Tech Accords has grown significantly in the past 3 years, today having 150 signatories across 5 continents, united in the fight against cybercrime.

April Patch Tuesday Sets Record High for 2021

13 Apr 2021

April’s Patch Tuesday fixes 114 vulnerabilities in various Microsoft products, a slight increase from March’s 89. This is the most vulnerabilities fixed in a month for 2021 to date, as well as a slight increase from the same month last year.

HTTPS over HTTP: A Supply Chain Attack on Azure DevOps Server 2020

13 Apr 2021

We provide the technical details of a supply chain attack on an improperly configured Azure DevOps Server 2020, specifically in the continuous integration and continuous delivery (CI/CD) Pipeline Agent communicating without TLS.

A Spike in BazarCall and IcedID Activity Detected in March

12 Apr 2021

We discuss the cases of BazarCall and IcedID we observed in March. Both are known for the use of spam to deliver their payloads.

This Week in Security News - April 9, 2021

9 Apr 2021

Microsoft Teams and Zoom Hacked In $1 Million Competition and Preventing Ransomware While Working from Home

Iron Tiger APT Updates Toolkit With Evolved SysUpdate Malware

9 Apr 2021

This blog details how Iron Tiger threat actors have updated their toolkit with an updated SysUpdate malware variant that now uses five files in its infection routine instead of the usual three.

This Week in Security News - April 2, 2021

2 Apr 2021

Alleged Members of Egregor Ransomware Cartel Arrested and Cybercriminals Home in on Manufacturers

Injecting Deception Mid-Pandemic: Covid-19 Vaccine Related Threats

31 Mar 2021

We share some of our findings on malware, spam, phishing schemes, malicious websites, and illicit markets that use Covid-19 vaccines as a lure.

Protecting LoRaWAN Hardware from Attacks in the Wild

30 Mar 2021

In the last article of our LoRaWAN series, we present dangerous hardware attacks that could affect organizations using this technology. These attacks are particularly worrying because many LoRaWAN devices are deployed in unsecured locations.

Alleged Members of Egregor Ransomware Cartel Arrested

26 Mar 2021

Trend Micro served as one of the cybersecurity partners of law enforcement authorities involved in the investigation.

This Week in Security News - March 26, 2021

26 Mar 2021

Tracking Conti Ransomware and Swiss Firm Accessed SolarWinds Hacker’s Servers

Websites Hosting Cracks Spread Malware, Adware

23 Mar 2021

We investigated pay-per-install (PPI) websites spreading multiple malware and adware, including CopperStealer and LNKR.

This Week in Security News - March 19, 2021

19 Mar 2021

Joker’s Latest Ploy and NFT Digital Art Is Already Attracting Hackers

Trend Micro Vision One: Tracking Conti Ransomware

19 Mar 2021

We show how the Trend Micro Vision One platform can be used to track Conti ransomware.

Trend Micro + ROS-I: Building a more secure future

16 Mar 2021

Trend Micro joins ROS-I Consortium to help accelerate the secure development of robotic Industry 4.0 applications.

Amazon ECS Exec Now Works with Containers in AWS Fargate

15 Mar 2021

Building in containers offers amazing benefits for development teams – speed, agility, flexibility, scalability, etc.

This Week in Security News - March 12, 2021

12 Mar 2021

Verkada Hack Exposes 150,000 Security Cameras and Earth Vetala MuddyWater Continues to Target Organizations in the Middle East.

No Laughing Matter: Joker's Latest Ploy

12 Mar 2021

We found several new apps involving Joker, a persistent malware that subscribes unsuspecting mobile users to premium services without their consent.

The Future of P2P IoT Botnets

11 Mar 2021

We discuss how the involvement of P2P technology in IoT botnets can transform them into stronger threats that organizations and users need to watch out for.

March Patch Tuesday: Fixes for Exchange Server, IE

10 Mar 2021

This month’s Patch Tuesday includes fixes already released for the Microsoft Exchange Server zero-day flaws attributed to Hafnium attacks.

TeamTNT Continues Attack on the Cloud, Targets AWS Credentials

9 Mar 2021

While investigating the team's activities, we found a binary containing a hardcoded shell script designed to steal AWS credentials, which provided us a lead on the scope of the attack.

Microsoft Exchange Attack: Am I affected and what do I do next?

8 Mar 2021

Rarely do cyber-espionage campaigns appear on the scale of the current Microsoft Exchange Server situation. Four vulnerabilities were exploited by a state-backed threat group linked to China, according to Microsoft.

This Week in Security News - March, 5 2021

5 Mar 2021

Povlsomware Ransomware Features Cobalt Strike Compatibility and High-Risk Email Security Threats Increased by 32% Last Year.

Earth Vetala – MuddyWater Continues to Target Organizations in the Middle East

5 Mar 2021

Trend Micro researchers recently detected activity suspected to be from MuddyWater. This campaign targets various organizations in the Middle East and neighboring regions.

New in Ransomware: AlumniLocker, Humble Feature Different Extortion Techniques

4 Mar 2021

We recently discovered two new ransomware variants, AlumniLocker and Humble, which exhibit different sophisticated behaviors and extortion techniques post-encryption.

FBI Warns of COVID Phishing Plus Email Examples

3 Mar 2021

Trend Micro Cloud App Security 2020 detection results and customer examples.

Emotet One Month After the Takedown

2 Mar 2021

2021 got off to a fantastic start for the cybersecurity community with the news that the infamous botnet Emotet had been brought down in a coordinated global operation, "Operation Ladybird."

Povlsomware Ransomware Features Cobalt Strike Compatibility

1 Mar 2021

Povlsomware is a proof-of-concept (POC) ransomware first released in November 2020 which, according to their Github page, is used to “securely” test the ransomware protection capabilities of security vendor products.

This Week in Security News - Feb, 26, 2021

26 Feb 2021

Trend Micro 2020 Annual Cybersecurity Report and More Than 6,700 VMware Servers Exposed Online and Vulnerable to Major New Bug

Security Risks for Audio-centric Social Media Apps

24 Feb 2021

Use of audio-only social media apps has been steadily capturing the interest of more users but just like any other technology, apps like these are not immune from security risks.

Here we go again with “Next-Gen”

24 Feb 2021

The new center square on the XDR buzzword bingo card.

Hindsight is 2020: Looking Back on the Year From a Cybersecurity Perspective

23 Feb 2021

As we head deeper into 2021, let’s take a look back on some of the most notable security stories and trends from the past year, all of which are covered in our 2020 annual cybersecurity report.

An Analysis of the Nefilim Ransomware

23 Feb 2021

Nefilim is known for its double extortion capabilities and notable attacks in 2020. We give an overview of its techniques and tools in this entry.

Gauging LoRaWAN Communication Security with LoraPWN

19 Feb 2021

This second part of our series on LoRaWAN will discuss the security of LoRaWAN communication and possible attacks on vulnerabilities.

This Week in Security News - Feb. 19, 2021

19 Feb 2021

Cybersecurity Risks of Connected Cars and SHAREit Flaw Could Lead to Remote Code Execution

Connected Cars, 5G, the Cloud: Opportunities and Risks

16 Feb 2021

We discuss the opportunities and risks brought about by technologies that connected cars use, such as 5G connectivity and the cloud. This entry highlights the findings from our paper “Cybersecurity for Connected Cars: Exploring Risks in 5G, Cloud, and Other Connected Technologies."

SHAREit Flaw Could Lead to Remote Code Execution

15 Feb 2021

We discovered vulnerabilities in the SHAREit application. These vulnerabilities can be abused to leak a user’s sensitive data, execute arbitrary code, and possibly lead to remote code execution. The app has over 1 billion downloads.

This Week in Security News - Feb. 12, 2021

12 Feb 2021

Trend Micro Launches New XDR Platform and Threat Actors Now Target Docker via Container Escape Features

February Patch Tuesday Fixes 11 Critical Bugs

10 Feb 2021

Microsoft fixed 56 vulnerabilities - 11 of them rated Critical - in the February Patch Tuesday cycle.

Threat Actors Now Target Docker via Container Escape Features

9 Feb 2021

We provide a technical analysis of a container abuse attack that features a payload that’s specifically crafted to be able to escape privileged Docker containers.

This Week in Security News - Feb. 5, 2021

5 Feb 2021

Second SolarWinds Attack Group Breaks into USDA Payroll and Understanding Cloud Misconfigurations

New in Ransomware: Seth-Locker, Babuk Locker, Maoloa, TeslaCrypt, and CobraLocker

5 Feb 2021

In this entry, we give an overview of new ransomware discoveries. This includes a new ransomware family dubbed Seth-Locker, and developments in the variants Babuk Locker, Maoloa, TeslaCrypt, and CobraLocker.

Splunk integration partnership with Trend Micro 2021

4 Feb 2021

Customers first: building out our Splunk partnership for a more secure 2021

Understanding Cloud Misconfigurations — With Pizza and Lego

3 Feb 2021

We discuss how common cloud misconfigurations can lead to cybersecurity problems – using two classic favorites – and how to mitigate them.

Finding and Decoding Multi-Step Obfuscated Malware

2 Feb 2021

Our investigation of an unusual DNS query by a command-line tool leads us to the discovery of a multi-step obfuscated malware.

XDR: Up-Leveling Security Integration

1 Feb 2021

Guest Blog, sponsored by Trend Micro - IDC analyst, Michael Suby, explains the importance of upgrading XDR security integrations.

Becoming A CVE Numbering Authority

1 Feb 2021

Our CVE Story: Learning to Embrace Recognition and Mitigations of Vulnerabilities as a Strength

Chopper ASPX Web Shell Used in Targeted Attack

29 Jan 2021

We dissect a targeted attack that made use of the Chopper ASPX web shell (Backdoor.ASP.WEBSHELL.UWMANA).

This Week in Security News - Jan. 29, 2021

29 Jan 2021

Welcome to our weekly roundup, where we share what you need to know about cybersecurity news and events that happened over the past few days.

Post Office Phishing Hits Credit Card Users in 26 Countries

28 Jan 2021

Trend Micro has been tracking a wide-spread phishing campaign since last year. The campaign distributors attempt to steal people’s credit card number by sending phishing emails related to deliveries from national postal systems.

12 Tips to Help Keep Your Data Private

28 Jan 2021

On data privacy day, we would like to share some helpful tips in order for you to keep your data to yourself.

Low Powered and High Risk: Possible Attacks on LoRaWAN Devices

26 Jan 2021

Long Range Wide Area Network (LoRaWAN) devices have been hacking targets for quite some time. We dive into attacks that malicious actors can use against vulnerable LoRaWAN devices, and review the state of LoRaWAN security. This is the first in a three-part series.

Examining A Sodinokibi Attack

26 Jan 2021

Sodinokibi was behind several notable attacks last year. In this entry, we describe its attack process using some of the examples we encountered.

Fake Office 365 Used for Phishing Attacks on C-Suite Targets

25 Jan 2021

We have been following an evolving phishing campaign that targets high-ranking company executives since 2019, reusing compromised credentials and URLs to target more.

This Week in Security News - Jan. 22, 2021

22 Jan 2021

Routers Still Compromised Two Years After VPNFilter’s Discovery and Malwarebytes Says Some of its Emails Were Breached by SolarWinds Hackers

Investigation into PlugX Uncovers Unique APT Technique

20 Jan 2021

Through the Apex One with Endpoint Sensor (iES), we discovered an APT attack wherein an attacker utilized sophisticated techniques in an attempt to exfiltrate sensitive information from a company.

VPNFilter Two Years Later: Routers Still Compromised

19 Jan 2021

We look into VPNFilter, an IoT botnet discovered over two years ago, to see why there are still routers infected by the malware and what else can be done to minimize its potential risks.

Leadership in the Industry - Customer Blog

19 Jan 2021

Jason Cradit, Principal Cloud Architect, 1898 & Company

This Week in Security News - Jan. 15, 2021

15 Jan 2021

January Patch Tuesday Repairs Critical MS Defender RCE Bug and Authorities Take Down World's Largest Illegal Dark Web Marketplace

The Top Worry In Cloud Security for 2021

13 Jan 2021

The cloud is an environment full of potential, providing easy access to technologies that weren’t available a decade ago. However, its not always as sunny as it seems. Continue on to read about the top worry in cloud security for the upcoming year.

January Patch Tuesday Repairs Critical MS Defender RCE Bug

13 Jan 2021

Microsoft welcomed the first month of 2021 with a total of 83 security updates — which is an uptick from December’s relatively lighter list.

This Week in Security News - Jan 8, 2021

8 Jan 2021

Investigation Launched into Role of JetBrains Product in SolarWinds Hack and TeamTNT Now Deploying DDoS-Capable IRC Bot TNTbotinger

Malicious Shell Script Steals Cloud Credentials

8 Jan 2021

In past cryptocurrency mining attacks, malicious shell scrips were typically used as downloaders. However, recent cases show that they now serve other purposes such as stealing sensitive data.

Expanding Range and Improving Speed: A RansomExx Approach

6 Jan 2021

RansomExx is a ransomware variant responsible for several high-profile attacks in 2020. We take a look at its current techniques which include the use of trojanized software to deliver malicious payloads and an overall short and fast attack.

An Overview of the DoppelPaymer Ransomware

5 Jan 2021

In early December 2020, the FBI issued a warning regarding DoppelPaymer, a ransomware family that first appeared in 2019. Its activities continued throughout 2020, including incidents that left its victims struggling to properly carry out their operations.

Earth Wendigo Injects JavaScript Backdoor for Mailbox Exfiltration

5 Jan 2021

We discovered a new campaign we named Earth Wendigo that has been targeting several organizations in Taiwan - since May 2019, aiming to exfiltrate emails from targeted organizations via the injection of JavaScript backdoors to a webmail system that is widely used in Taiwan.

How to Protect Your Kid’s Privacy While At-Home Learning

22 Dec 2020

Many kids now have school-supplied computer equipment away from the school network. However, with this come privacy and security concerns. Some are easy to avoid, but others need some modifications to ensure safety.

This Week in Security News - Dec. 18, 2020

18 Dec 2020

Pawn Storm Employs Lack of Sophistication as a Strategy and SolarWinds Says Affected Enterprises Must Use Hot Patches and Isolate Compromised Gear

TeamTNT Now Deploying DDoS-Capable IRC Bot TNTbotinger

18 Dec 2020

We discuss TeamTNT’s latest attack, which involves the use of the group’s own IRC (Internet Relay Chat) bot. The IRC bot is called TNTbotinger and is capable of distributed denial of service (DDoS).

Credential Stealer Targets US, Canadian Bank Customers

17 Dec 2020

We discovered a campaign that distributed a credential stealer, and its main code components are written in AutoHotkey (AHK).

Pawn Storm’s Lack of Sophistication as a Strategy

17 Dec 2020

In this entry we share Pawn Storm's recent activities, focusing on their use of some simple methods that typically won't get associated with APT groups.

Backdoors Are Hard to Spot, But Not Who Is Using Them

16 Dec 2020

Cybersecurity people have been generally outspoken that backdoors are bad.

Managing Risk While Your ITSM Is Down

16 Dec 2020

A lot of the risk managed in companies is done by non-security products.

Overview of Recent Sunburst Targeted Attacks

15 Dec 2020

Various sources have recently disclosed a sophisticated attack that hit organizations via the supply chain via a compromised network monitoring program. This post discusses what the Sunburst backdoor is and what you can do now to mitigate this threat.


Kaspersky

Old posts >>

Ransomware world in 2021: who, how and why

12 May 2021

In this report, we take a step back from the day-to-day ransomware news cycle and follow the ripples back into the heart of the ecosystem to understand how it is organized.

DDoS attacks in Q1 2021

10 May 2021

In Q1 2021, we saw a spike in DDoS activity in January, peaking at over 1,800 attacks per day. The most widespread was UDP flooding (41.87%), while SYN flooding dropped to third place (26.36%).

Operation TunnelSnake

06 May 2021

A newly discovered rootkit that we dub 'Moriya' is used by an unknown actor to deploy passive backdoors on public facing servers, facilitating the creation of a covert C&C communication channel through which they can be silently controlled. The victims are located in Africa, South and South-East Asia.

Spam and phishing in Q1 2021

03 May 2021

In terms of spam and phishing, in Q1 2021, we largely saw a continuation of the 2020 trends: exploitation of COVID-19 theme, hunting corporate account credentials and spoofing of online store websites.

APT trends report Q1 2021

27 Apr 2021

This report highlights significant events related to advanced persistent threat (APT) activity observed in Q1 2021. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published and discussed in greater detail in our private APT reports.

Ransomware by the numbers: Reassessing the threat’s global impact

23 Apr 2021

In this report, we'll take a look at the numbers behind the ransomware threat from 2019 to 2020, what they mean — and what they foretell about ransomware's future.

Targeted Malware Reverse Engineering Workshop follow-up. Part 2

21 Apr 2021

The Reverse Engineering webinar audience having been so active not only were we unable to address all the incoming questions online, we didn’t even manage to pack the rest of them in one blogpost. So here comes the second part of the webinar follow-up.

Targeted Malware Reverse Engineering Workshop follow-up. Part 1

19 Apr 2021

With so many questions collected during the Targeted Malware Reverse Engineering webinar we lacked the time to answer them all online, we promised we would come up with this blogpost.

Zero-day vulnerability in Desktop Window Manager (CVE-2021-28310) used in the wild

13 Apr 2021

CVE-2021-28310 is an out-of-bounds (OOB) write vulnerability in dwmcore.dll, which is part of Desktop Window Manager (dwm.exe). We believe it is exploited in the wild, potentially by several threat actors.

Malicious code in APKPure app

09 Apr 2021

Malicious code was detected in version 3.17.18 of the APKPure alternative app store for Android. We recommend deleting the infected version and installing APKPure 3.17.19 asap.


ThreatPost

FIN7 Backdoor Masquerades as Ethical Hacking Tool

14 May 2021

The financially motivated cybercrime gang behind the Carbanak RAT is back with the Lizar malware, which can harvest all kinds of info from Windows machines.

DarkSide Ransomware Suffers ‘Oh, Crap!’ Server Shutdowns

14 May 2021

The RaaS that crippled Colonial Pipeline lost the servers it uses to pull off ransomware attacks, while REvil’s gonads shrank in response.

‘Scheme Flooding’ Allows Websites to Track Users Across Browsers

14 May 2021

A flaw that allows browsers to enumerate applications on a machine threatens cross-browser anonymity in Chrome, Firefox, Microsoft Edge, Safari and even Tor.

Verizon: Pandemic Ushers in ⅓ More Cyber-Misery

14 May 2021

The DBIR – Verizon’s 2021 data breach report – shows spikes in sophisticated phishing, financially motivated cyberattacks and a criminal focus on web-application servers.

Ransomware’s New Swindle: Triple Extortion

14 May 2021

Ransomware attackers are now demanding cash from the customers of victims too.

How to Get into the Bug-Bounty Biz: The Good, Bad and Ugly

14 May 2021

Experts from Intel, GitHub and KnowBe4 weigh in on what you need to succeed at security bug-hunting.

Old posts >>

Colonial Pipeline Shells Out $5M in Extortion Payout, Report

13 May 2021

According to news reports, Colonial Pipeline paid the cybergang known as DarkSide the ransom it demanded in return for a decryption key.

Ransomware Going for $4K on the Cyber-Underground

13 May 2021

An analysis of three popular forums used by ransomware operators reveals a complex ecosystem with many partnerships.

Beyond MFA: Rethinking the Authentication Key

13 May 2021

Tony Lauro, director of security technology and strategy at Akamai, discusses hardware security dongles and using phones to act as surrogates for them.

Fresh Loader Targets Aviation Victims with Spy RATs

13 May 2021

The campaign is harvesting screenshots, keystrokes, credentials, webcam feeds, browser and clipboard data and more, with RevengeRAT or AsyncRAT payloads.


PaloAlto

Old posts >>

DarkSide Ransomware Gang: An Overview

12 May 2021

The DarkSide ransomware gang is responsible for an attack on a major U.S. pipeline company. Learn about their tactics and how to mitigate them.

The post DarkSide Ransomware Gang: An Overview appeared first on Unit42.

File Transfer Threats: Risk Factors and How Network Traffic Visibility Can Help

05 May 2021

File transfer threats can open organizations up to data theft or data loss, but proper controls and network traffic visibility can mitigate them.

The post File Transfer Threats: Risk Factors and How Network Traffic Visibility Can Help appeared first on Unit42.

Detecting and Preventing Malicious Domains Proactively with DNS Security

04 May 2021

We describe a proactive detector for DNS Security that can identify malicious domains based on their registration records and other indicators.

The post Detecting and Preventing Malicious Domains Proactively with DNS Security appeared first on Unit42.

New Shameless Commodity Cryptocurrency Stealer (WeSteal) and Commodity RAT (WeControl)

29 Apr 2021

We analyze commodity malware WeSteal, detail its techniques and examine its customers, as well as sharing details of a newly observed RAT, WeControl.

The post New Shameless Commodity Cryptocurrency Stealer (WeSteal) and Commodity RAT (WeControl) appeared first on Unit42.

Unsecured Kubernetes Instances Could Be Vulnerable to Exploitation

24 Apr 2021

We discuss how malware and malicious activities can occur in unsecured Kubernetes instances and how better configuration can help.

The post Unsecured Kubernetes Instances Could Be Vulnerable to Exploitation appeared first on Unit42.

Threat Brief: Codecov Bash Uploader

23 Apr 2021

We provide an overview of and mitigations for the Codecov Bash Uploader compromise.

The post Threat Brief: Codecov Bash Uploader appeared first on Unit42.

Are Your Nagios XI Servers Turning Into Cryptocurrency Miners for Attackers?

15 Apr 2021

Unit 42 researchers found an attack in the wild targeting Nagios XI 5.7.5 that exploits CVE-2021-25296 and drops a cryptocurrency miner. Read more for an analysis of the vulnerable code, the resulting command injection, and the malicious scripts.

The post Are Your Nagios XI Servers Turning Into Cryptocurrency Miners for Attackers? appeared first on Unit42.

Actor Exploits Microsoft Exchange Server Vulnerabilities, Cortex XDR Blocks Harvesting of Credentials

15 Apr 2021

We observed an unknown actor who exploited vulnerabilities in Microsoft Exchange Server to install a webshell in an attempt at credential harvesting.

The post Actor Exploits Microsoft Exchange Server Vulnerabilities, Cortex XDR Blocks Harvesting of Credentials appeared first on Unit42.

New Vulnerability Affecting Container Engines CRI-O and Podman (CVE-2021-20291)

14 Apr 2021

CVE-2021-20291 leads to a denial of service of the container engines CRI-O and Podman when pulling a malicious image from a registry.

The post New Vulnerability Affecting Container Engines CRI-O and Podman (CVE-2021-20291) appeared first on Unit42.

Threat Assessment: Clop Ransomware

13 Apr 2021

In response to an uptick in Clop ransomware activity, we provide an overview and courses of action that can be used to mitigate it.

The post Threat Assessment: Clop Ransomware appeared first on Unit42.

Network Attack Trends: Internet of Threats (November 2020-January 2021)

12 Apr 2021

Network attack trends in the Winter quarter of 2020 revealed some interesting trends, such as increased attacker preference for newly released vulnerabilities and a large uptick in attacks deemed Critical. In addition to details of the newly observed exploits, in this blog, we also dive deep into the exploitation analysis, vendor analysis, attack origin, and attack category distribution.

The post Network Attack Trends: Internet of Threats (November 2020-January 2021) appeared first on Unit42.

Emotet Command and Control Case Study

09 Apr 2021

We provide a step-by-step technical analysis of Emotet command and control, based on observations from before Emotet threat actors were disrupted.

The post Emotet Command and Control Case Study appeared first on Unit42.

Attackers Conducting Cryptojacking Operation Against U.S. Education Organizations

08 Apr 2021

Unit 42 researchers spotted cryptojacking operations targeting US educational institutions.

The post Attackers Conducting Cryptojacking Operation Against U.S. Education Organizations appeared first on Unit42.

Wireshark Tutorial: Examining Traffic from Hancitor Infections

07 Apr 2021

Learn how to examine activity from Hancitor infections with Wireshark and get tips on identifying Hancitor and its followup malware.

The post Wireshark Tutorial: Examining Traffic from Hancitor Infections appeared first on Unit42.

Highlights from the Unit 42 Cloud Threat Report, 1H 2021

06 Apr 2021

The Unit 42 Cloud Threat Report, 1H 2021, found a spike in security incidents for COVID-19 critical industries, a decline in cryptojacking and more.

The post Highlights from the Unit 42 Cloud Threat Report, 1H 2021 appeared first on Unit42.


F-Secure

Old posts >>


McAfee

DarkSide Ransomware Victims Sold Short

14 May 2021

How to check for viruses

Over the past week we have seen a considerable body of work focusing on DarkSide, the ransomware responsible for the recent gas pipeline shutdown. Many of the excellent technical write-ups will detail how it operates an affiliate model that supports others to be involved within the ransomware business model (in addition to the developers). While […]

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Old posts >>

Major HTTP Vulnerability in Windows Could Lead to Wormable Exploit

12 May 2021

AI Cyber Security

Today, Microsoft released a highly critical vulnerability (CVE-2021-31166) in its web server http.sys. This product is a Windows-only HTTP server which can be run standalone or in conjunction with IIS (Internet Information Services) and is used to broker internet traffic via HTTP network requests. The vulnerability is very similar to CVE-2015-1635, another Microsoft vulnerability in […]

The post Major HTTP Vulnerability in Windows Could Lead to Wormable Exploit appeared first on McAfee Blogs.

“Fool’s Gold”: Questionable Vaccines, Bogus Results, and Forged Cards

11 May 2021

Preface Countries all over the world are racing to achieve so-called herd immunity against COVID-19 by vaccinating their populations. From the initial lockdown to the cancellation of events and the prohibition of business travel, to the reopening of restaurants, and relaxation of COVID restrictions on outdoor gatherings, the vaccine rollout has played a critical role […]

The post “Fool’s Gold”: Questionable Vaccines, Bogus Results, and Forged Cards appeared first on McAfee Blogs.

Roaming Mantis Amplifies Smishing Campaign with OS-Specific Android Malware

05 May 2021

The Roaming Mantis smishing campaign has been impersonating a logistics company to steal SMS messages and contact lists from Asian Android users since 2018. In the second half of 2020, the campaign improved its effectiveness by adopting dynamic DNS services and spreading messages with phishing URLs that infected victims with the fake Chrome application MoqHao. […]

The post Roaming Mantis Amplifies Smishing Campaign with OS-Specific Android Malware appeared first on McAfee Blogs.

How to Stop the Popups

05 May 2021

McAfee is tracking an increase in the use of deceptive popups that mislead some users into taking action, while annoying many others.  A significant portion is attributed to browser-based push notifications, and while there are a couple of simple steps users can take to prevent and remediate the situation, there is also some confusion about […]

The post How to Stop the Popups appeared first on McAfee Blogs.

Steps to Discover Hidden Threat from Phishing Email

05 May 2021

coin miners

Introduction Email is one of the primary ways of communication in the modern world. We use email to receive notifications about our online shopping, financial transaction, credit card e-statements, one-time passwords to authenticate registration processes, application for jobs, auditions, school admissions and many other purposes. Since many people around the globe depend on electronic mail […]

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Access Token Theft and Manipulation Attacks – A Door to Local Privilege Escalation

20 Apr 2021

how to run a virus scan

Executive Summary Many malware attacks designed to inflict damage on a network are armed with lateral movement capabilities. Post initial infection, such malware would usually need to perform a higher privileged task or execute a privileged command on the compromised system to be able to further enumerate the infection targets and compromise more systems on […]

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Clever Billing Fraud Applications on Google Play: Etinu

19 Apr 2021

Saibāsekyuriti

A new wave of fraudulent apps has made its way to the Google Play store, targeting Android users in Southwest Asia and the Arabian Peninsula as well—to the tune of more than 700,000 downloads before detection by McAfee Mobile Research and co-operation with Google to remove the apps. Figure 1. Infected Apps on Google Play […]

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McAfee Labs Report Reveals Latest COVID-19 Threats and Malware Surges

13 Apr 2021

The McAfee Advanced Threat Research team today published the McAfee Labs Threats Report: April 2021. In this edition, we present new findings in our traditional threat statistical categories – as well as our usual malware, sectors, and vectors – imparted in a new, enhanced digital presentation that’s more easily consumed and interpreted. Historically, our reports […]

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BRATA Keeps Sneaking into Google Play, Now Targeting USA and Spain

12 Apr 2021

How to check for viruses

Recently, the McAfee Mobile Research Team uncovered several new variants of the Android malware family BRATA being distributed in Google Play, ironically posing as app security scanners. These malicious apps urge users to update Chrome, WhatsApp, or a PDF reader, yet instead of updating the app in question, they take full control of the device […]

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McAfee ATR Threat Report: A Quick Primer on Cuba Ransomware

06 Apr 2021

Executive Summary  Cuba ransomware is an older ransomware, that has recently undergone some development. The actors have incorporated the leaking of victim data to increase its impact and revenue, much like we have seen recently with other major ransomware campaigns.  In our analysis, we observed that the attackers had access to the network before the infection and were able to collect specific information […]

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McAfee Defender’s Blog: Cuba Ransomware Campaign

06 Apr 2021

Cuba Ransomware Overview Over the past year, we have seen ransomware attackers change the way they have responded to organizations that have either chosen to not pay the ransom or have recovered their data via some other means. At the end of the day, fighting ransomware has resulted in the bad actors’ loss of revenue. […]

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McAfee Defenders Blog: Reality Check for your Defenses

31 Mar 2021

How to check for viruses

Welcome to reality Ever since I started working in IT Security more than 10 years ago, I wondered, what helps defend against malware the best? This simple question does not stand on its own, as there are several follow-up questions to that: How is malware defined? Are we focusing solely on Viruses and Trojans, or […]

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Netop Vision Pro – Distance Learning Software is 20/20 in Hindsight

22 Mar 2021

The McAfee Labs Advanced Threat Research team is committed to uncovering security issues in both software and hardware to help developers provide safer products for businesses and consumers. We recently investigated software installed on computers used in K-12 school districts. The focus of this blog is on Netop Vision Pro produced by Netop. Our research […]

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McAfee Defender’s Blog: Operation Dianxun

16 Mar 2021

Operation Dianxun Overview In a recent report the McAfee Advanced Threat Research (ATR) Strategic Intelligence team disclosed an espionage campaign, targeting telecommunication companies, named Operation Diànxùn. The tactics, techniques and procedures (TTPs) used in the attack are like those observed in earlier campaigns publicly attributed to the threat actors RedDelta and Mustang Panda. Most probably […]

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Operation Diànxùn: Cyberespionage Campaign Targeting Telecommunication Companies

16 Mar 2021

how to run a virus scan

In this report the McAfee Advanced Threat Research (ATR) Strategic Intelligence team details an espionage campaign, targeting telecommunication companies, dubbed Operation Diànxùn. In this attack, we discovered malware using similar tactics, techniques and procedures (TTPs) to those observed in earlier campaigns publicly attributed to the threat actors RedDelta and Mustang Panda. While the initial vector […]

The post Operation Diànxùn: Cyberespionage Campaign Targeting Telecommunication Companies appeared first on McAfee Blogs.

Seven Windows Wonders – Critical Vulnerabilities in DNS Dynamic Updates

09 Mar 2021

how to run a virus scan

Overview For the March 2021 Patch Tuesday, Microsoft released a set of seven DNS vulnerabilities. Five of the vulnerabilities are remote code execution (RCE) with critical CVSS (Common Vulnerability Scoring Standard) scores of 9.8, while the remaining two are denial of service (DoS). Microsoft shared detection guidance and proofs of concept with MAPP members for […]

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McAfee ATR Thinks in Graphs

08 Mar 2021

0. Introduction John Lambert, a distinguished researcher specializing in threat intelligence at Microsoft, once said these words that changed perspectives: “Defenders think in lists. Attackers think in graphs.” This is true and, while it remains that way, attackers will win most of the time. However, the true power of graphs does not only reside in […]

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Babuk Ransomware

24 Feb 2021

Executive Summary Babuk ransomware is a new ransomware threat discovered in 2021 that has impacted at least five big enterprises, with one already paying the criminals $85,000 after negotiations. As with other variants, this ransomware is deployed in the network of enterprises that the criminals carefully target and compromise. Using MVISION Insights, McAfee was able […]

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Beyond Clubhouse: Vulnerable Agora SDKs Still in Widespread Use

19 Feb 2021

Mobile Conferencing Apps Carry Risks

On February 17th, 2021, McAfee disclosed findings based on a 10-month long disclosure process with major video conferencing vendor Agora, Inc.  As we disclosed the findings to Agora in April 2020, this lengthy disclosure timeline represents a nonstandard process for McAfee but was a joint agreement with the vendor to allow sufficient time for the […]

The post Beyond Clubhouse: Vulnerable Agora SDKs Still in Widespread Use appeared first on McAfee Blogs.

Don’t Call Us We’ll Call You: McAfee ATR Finds Vulnerability in Agora Video SDK

17 Feb 2021

texting slang

The McAfee Advanced Threat Research (ATR) team is committed to uncovering security issues in both software and hardware to help developers provide safer products for businesses and consumers. We recently investigated and published several findings on a personal robot called “temi”, which can be read about in detail here. A byproduct of our robotic research was […]

The post Don’t Call Us We’ll Call You: McAfee ATR Finds Vulnerability in Agora Video SDK appeared first on McAfee Blogs.

Researchers Follow the Breadcrumbs: The Latest Vulnerabilities in Windows’ Network Stack

09 Feb 2021

data breach

The concept of a trail of breadcrumbs in the offensive security community is nothing new; for many years, researchers on both sides of the ethical spectrum have followed the compass based on industry-wide security findings, often leading to groundbreaking discoveries in both legacy and modern codebases alike. This happened in countless instances, from Java to […]

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McAfee ATR Launches Education-Inspired Capture the Flag Contest!

27 Jan 2021

McAfee’s Advanced Threat Research team just completed its second annual capture the flag (CTF) contest for internal employees. Based on tremendous internal feedback, we’ve decided to open it up to the public, starting with a set of challenges we designed in 2019.   We’ve done our best to minimize guesswork and gimmicks and instead of flashy graphics and games, we’ve distilled the kind of problems […]

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Two Pink Lines

15 Jan 2021

Depending on your life experiences, the phrase (or country song by Eric Church) “two pink lines” may bring up a wide range of powerful emotions.    I suspect, like many fathers and expecting fathers, I will never forget the moment I found out my wife was pregnant.  You might recall what you were doing, or where […]

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A Year in Review: Threat Landscape for 2020

14 Jan 2021

As we gratefully move forward into the year 2021, we have to recognise that 2020 was as tumultuous in the digital realm as it has in the physical world. From low level fraudsters leveraging the pandemic as a vehicle to trick victims into parting with money for non-existent PPE, to more capable actors using malware […]

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2021 Threat Predictions Report

13 Jan 2021

The December 2020 revelations around the SUNBURST campaigns exploiting the SolarWinds Orion platform have revealed a new attack vector – the supply chain – that will continue to be exploited. The ever-increasing use of connected devices, apps and web services in our homes will also make us more susceptible to digital home break-ins. This threat […]

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How A Device to Cloud Architecture Defends Against the SolarWinds Supply Chain Compromise

21 Dec 2020

In a blog post released 13 Dec 2020, FireEye disclosed that threat actors compromised SolarWinds’s Orion IT monitoring and management software with a trojanized version of SoalrWinds.Orion.Core.BusinessLayer.dll delivered as part of a digitally-signed Windows Installer Patch. The trojanized file delivers a backdoor, dubbed SUNBURST by FireEye (and Solorigate by Microsoft), that communicates to third-party servers for […]

The post How A Device to Cloud Architecture Defends Against the SolarWinds Supply Chain Compromise appeared first on McAfee Blogs.

Additional Analysis into the SUNBURST Backdoor

17 Dec 2020

Executive Summary There has been considerable focus on the recent disclosures associated with SolarWinds, and while existing analysis on the broader campaign has resulted in detection against specific IoCs associated with the Sunburst trojan, the focus within the Advanced Threat Research (ATR) team has been to determine the possibility of additional persistence measures. Our analysis […]

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SUNBURST Malware and SolarWinds Supply Chain Compromise

16 Dec 2020

Part I of II Situation In a blog post released 13 Dec 2020, FireEye disclosed that threat actors compromised SolarWinds’s Orion IT monitoring and management software with a trojanized version of SolarWinds.Orion.Core.BusinessLayer.dll. The trojanized file delivers the SUNBURST malware through a backdoor as part of a digitally-signed Windows Installer Patch. Use of a Compromised Software […]

The post SUNBURST Malware and SolarWinds Supply Chain Compromise appeared first on McAfee Blogs.

CVE-2020-17051: Remote kernel heap overflow in NFSv3 Windows Server

10 Nov 2020

CVSS Score: 9.8  Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C  Overview  Microsoft released a patch today for a critical vulnerability (CVE-2020-17051) in the Windows NFSv3 (Network File System) server. NFS is typically used in heterogenous environments of Windows and Unix/Linux for file sharing. The vulnerability can be reproduced to cause an immediate BSOD (Blue Screen of Death) within the nfssvr.sys driver. Interestingly, the November patches from Microsoft also include a remote kernel data read […]

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Operation North Star: Behind The Scenes

05 Nov 2020

Executive Summary It is rare to be provided an inside view on how major cyber espionage campaigns are conducted within the digital realm. The only transparency afforded is a limited view of victims, a malware sample, and perhaps the IP addresses of historical command and control (C2) infrastructure. The Operation North Star campaign we detailed […]

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Operation North Star: Summary Of Our Latest Analysis

05 Nov 2020

McAfee’s Advanced Threat Research (ATR) today released research that uncovers previously undiscovered information on how Operation North Star evaluated its prospective victims and launched attacks on organizations in Australia, India, Israel and Russia, including defense contractors based in India and Russia. McAfee’s initial research into Operation North Star revealed a campaign that used social media […]

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McAfee Labs Report Reveals Continuing Surge of COVID-19 Threats and Malware

05 Nov 2020

The McAfee Advanced Threat Research team today published the McAfee Labs Threats Report: November 2020. In this edition, we follow our preceding McAfee Labs COVID-19 Threats Report with more research and data designed to help you better protect your enterprise’s productivity and viability during challenging times. What a year so far! The first quarter of […]

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CVE-2020-16898: “Bad Neighbor”

13 Oct 2020

CVE-2020-16898: “Bad Neighbor” CVSS Score: 8.8 Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Overview Today, Microsoft announced a critical vulnerability in the Windows IPv6 stack, which allows an attacker to send maliciously crafted packets to potentially execute arbitrary code on a remote system. The proof-of-concept shared with MAPP (Microsoft Active Protection Program) members is both extremely simple and perfectly reliable. It results […]

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Our Experiences Participating in Microsoft’s Azure Sphere Bounty Program

06 Oct 2020

From June to August, part of the McAfee Advanced Threat Research (ATR) team participated in Microsoft’s Azure Sphere Research Challenge.  Our research resulted in reporting multiple vulnerabilities classified by Microsoft as “important” or “critical” in the platform that, to date, have qualified for over $160,000 USD in bounty awards scheduled to be contributed to the ACLU ($100,000), St. Jude’s Children’s Research Hospital ($50,000) and PDX Hackerspace (approximately $20,000). With these contributions, we hope to support and give […]

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Securing Space 4.0 – One Small Step or a Giant Leap? Part 1

01 Oct 2020

McAfee Advanced Threat Research (ATR) is collaborating with Cork Institute of Technology (CIT) and its Blackrock Castle Observatory (BCO) and the National Space Center (NSC) in Cork, Ireland The essence of Space 4.0 is the introduction of smaller, cheaper, faster-to-the-market satellites in low-earth-orbit into the value chain and the exploitation of the data they provide. […]

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Securing Space 4.0 – One Small Step or a Giant Leap? Part 2

01 Oct 2020

McAfee Advanced Threat Research (ATR) is collaborating with Cork Institute of Technology (CIT) and its Blackrock Castle Observatory (BCO) and the National Space Center in Cork, Ireland In the first of this two-part blog series we introduced Space 4.0, its data value and how it looks set to become the next battleground in the defense […]

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Vulnerability Discovery in Open Source Libraries: Analyzing CVE-2020-11863

01 Sep 2020

Open Source projects are the building blocks of any software development process. As we indicated in our previous blog, as more and more products use open source code, the increase in the overall attack surface is inevitable, especially when open source code is not audited before use. Hence it is recommended to thoroughly test it […]

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On Drovorub: Linux Kernel Security Best Practices

13 Aug 2020

Intro In a U.S. government cyber security advisory released today, the National Security Agency and Federal Bureau of Investigation warn of a previously undisclosed piece of Linux rootkit malware called Drovorub and attribute the threat to malicious actor APT28. The report is incredibly detailed and proposes several complementary detection techniques to effectively identify Drovorub malware […]

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Vulnerability Discovery in Open Source Libraries Part 1: Tools of the Trade

12 Aug 2020

Executive Summary Open source has become the foundation for modern software development. Vendors use open source software to stay competitive and improve the speed, quality, and cost of the development process. At the same time, it is critical to maintain and audit open source libraries used in products as they can expose a significant volume […]

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Robot Character Analysis Reveals Trust Issues

06 Aug 2020

Retired Marine fighter pilot and Top Gun instructor Dave Berke said “Every single thing you do in your life, every decision you make, is an OODA Loop.” OODA Loop? Observe–Orient–Decide–Act, the “OODA Loop” was originally developed by United States Air Force Colonel John Boyd and outlines that fundamentally all actions are first based on observations.  […]

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Call an Exorcist! My Robot’s Possessed!

06 Aug 2020

Overview As part of our continued goal of helping developers provide safer products for businesses and consumers, we here at McAfee Advanced Threat Research (ATR) recently investigated temi, a teleconference robot produced by Robotemi Global Ltd. Our research led us to discover four separate vulnerabilities in the temi robot, which this paper will describe in […]

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Dopple-ganging up on Facial Recognition Systems

05 Aug 2020

Co-authored with Jesse Chick, OSU Senior and Former McAfee Intern, Primary Researcher. Special thanks to Dr. Catherine Huang, McAfee Advanced Analytics Team Special thanks to Kyle Baldes, Former McAfee Intern “Face” the Facts There are 7.6 Billion people in the world. That’s a huge number! In fact, if we all stood shoulder to shoulder on […]

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Ripple20 Critical Vulnerabilities – Detection Logic and Signatures

05 Aug 2020

This document has been prepared by McAfee Advanced Threat Research in collaboration with JSOF who discovered and responsibly disclosed the vulnerabilities. It is intended to serve as a joint research effort to produce valuable insights for network administrators and security personnel, looking to further understand these vulnerabilities to defend against exploitation. The signatures produced here […]

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McAfee Defender’s Blog: NetWalker

03 Aug 2020

Building Adaptable Security Architecture Against NetWalker NetWalker Overview The NetWalker ransomware, initially known as Mailto, was first detected in August 2019. Since then, new variants were discovered throughout 2019 and the beginning of 2020, with a strong uptick noticed in March of this year. NetWalker has noticeably evolved to a more stable and robust ransomware-as-a-service […]

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Take a “NetWalk” on the Wild Side

03 Aug 2020

How to check for viruses

Executive Summary The NetWalker ransomware, initially known as Mailto, was first detected in August 2019. Since then, new variants were discovered throughout 2019 and the beginning of 2020, with a strong uptick noticed in March of this year. NetWalker has noticeably evolved to a more stable and robust ransomware-as-a-service (RaaS) model, and our research suggests […]

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Operation (노스 스타) North Star A Job Offer That’s Too Good to be True?

30 Jul 2020

Executive Summary We are in the midst of an economic slump [1], with more candidates than there are jobs, something that has been leveraged by malicious actors to lure unwitting victims into opening documents laden with malware. While the prevalence of attacks during this unprecedented time has been largely carried out by low-level fraudsters, the […]

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McAfee Defender’s Blog: Operation North Star Campaign

30 Jul 2020

Building Adaptable Security Architecture Against the Operation North Star Campaign Operation North Star Overview Over the last few months, we have seen attackers take advantage of the pandemic as a cover to launch cyberattacks. One such example is a campaign that McAfee Advanced Threat Research (ATR) observed as an increase in malicious cyber activity targeting […]

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Six Hundred Million Reasons to Celebrate: No More Ransom Turns FOUR!!

27 Jul 2020

Happy Birthday! Today we mark the fourth anniversary of the NoMoreRansom initiative with over 4.2 million visitors, from 188 countries, stopping an estimated $632 million in ransom demands from ending up in criminals’ pockets. It would be fair to say that the initiative, which started in a small meeting room in the Hague, has been […]

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Hunting for Blues – the WSL Plan 9 Protocol BSOD

23 Jul 2020

Windows Subsystem for Linux Plan 9 Protocol Research Overview This is the final blog in the McAfee research series trilogy on the Windows Subsystem for Linux (WSL) implementation – see The Twin Journey (part 1) and Knock, Knock–Who’s There (part 2). The previous research discussed file evasion attacks when the Microsoft P9 server can be […]

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McAfee COVID-19 Report Reveals Pandemic Threat Evolution

22 Jul 2020

The McAfee Advanced Threat Research team today published the McAfee® Labs COVID-19 Threats Report, July 2020. In this “Special Edition” threat report, we delve deep into the COVID-19 related attacks observed by our McAfee Advanced Threats Research and McAfee Labs teams in the first quarter of 2020 and the early months of the pandemic. What […]

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Ripple20 Vulnerability Mitigation Best Practices

22 Jun 2020

On June 16th, the Department of Homeland Security and CISA ICS-CERT issued a critical security advisory warning covering multiple newly discovered vulnerabilities affecting Internet-connected devices manufactured by multiple vendors. This set of 19 vulnerabilities in a low-level TCP/IP software library developed by Treck has been dubbed “Ripple20” by researchers from JSOF. A networking stack is a software component […]

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My Adventures Hacking the iParcelBox

18 Jun 2020

In 2019, McAfee Advanced Threat Research (ATR) disclosed a vulnerability in a product called BoxLock. Sometime after this, the CEO of iParcelBox, a U.K. company, reached out to us and offered to send a few of their products to test. While this isn’t the typical M.O. for our research we applaud the company for being […]

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What’s in the Box? Part II: Hacking the iParcelBox

18 Jun 2020

Package delivery is just one of those things we take for granted these days. This is especially true in the age of Coronavirus, where e-commerce and at-home deliveries make up a growing portion of consumer buying habits. In 2019, McAfee Advanced Threat Research (ATR) conducted a vulnerability research project on a secure home package delivery […]

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RagnarLocker Ransomware Threatens to Release Confidential Information

09 Jun 2020

Ransomware

EXECUTIVE SUMMARY The RagnarLocker ransomware first appeared in the wild at the end of December 2019 as part of a campaign against compromised networks targeted by its operators. The ransomware code is small (only 48kb after the protection in its custom packer is removed) and coded in a high programming language (C/C++). Like all ransomware, […]

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OneDrive Phishing Awareness

08 Jun 2020

There are number of ways scammers use to target personal information and, currently, one example is, they are taking advantage of the fear around the virus pandemic, sending phishing and scam emails to Microsoft OneDrive users, trying to profit from Coronavirus/COVID-19. They will pretend to be emailing from government, consulting, or charitable organizations to steal […]

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How To Use McAfee ATP to Protect Against Emotet, LemonDuck and PowerMiner

19 May 2020

Introduction This blog describes how McAfee ATP (Adaptive Threat Protection) rules are used within McAfee Endpoint Security products. It will help you understand how ATP Rules work and how you can utilize them to prevent infections from prevalent malware families such as Emotet, LemonDuck and PowerMiner. Please read through the recommendation section to effectively utilize […]

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ENS 10.7 Rolls Back the Curtain on Ransomware

07 May 2020

Ransomware protection and incident response is a constant battle for IT, security engineers and analysts under normal circumstances, but with the number of people working from home during the COVID-19 pandemic that challenge reaches new heights. How do you ensure an equivalent level of adaptable malware protection on or off the corporate network? How do […]

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Cybercriminals Actively Exploiting RDP to Target Remote Organizations

07 May 2020

The COVID-19 pandemic has prompted many companies to enable their employees to work remotely and, in a large number of cases, on a global scale. A key component of enabling remote work and allowing employees to access internal corporate resources remotely is Remote Desktop Protocol (RDP), which allows communication with a remote system. In order […]

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COVID-19 – Malware Makes Hay During a Pandemic

07 May 2020

Special thanks to Prajwala Rao, Oliver Devane, Shannon Cole, Ankit Goel and members of Malware Research for their contribution and monitoring of related threats As COVID-19 continues to spread across the world, it is no surprise that malware authors are exploiting the pandemic. McAfee recently released blogs around Covid-19 related threats – Staying safe while […]

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Tales From the Trenches; a Lockbit Ransomware Story

01 May 2020

Co-authored by Marc RiveroLopez. In collaboration with Northwave As we highlighted previously across two blogs, targeted ransomware attacks have increased massively over the past months. In our first article, we discussed the growing pattern of targeted ransomware attacks where the primary infection stage is often an info-stealer kind of malware used to gain credentials/access to determine […]

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MalBus Actor Changed Market from Google Play to ONE Store

09 Apr 2020

McAfee Mobile Research team has found another variant of MalBus on an education application, developed by a South Korean developer. In the previous Malbus case, the author distributed the malware through Google Play, but new variants are distributed via the ONE Store in much the same way. ONE Store is a joint venture by the […]

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Transitioning to a Mass Remote Workforce – We Must Verify Before Trusting

07 Apr 2020

While not a new practice, the sheer volume of people required to adhere to social distancing best practices means we now have a mass workforce working remotely. Most enterprises and SMBs can support working remotely today but many IT departments are not equipped to scale to the numbers currently required. In this blog we discuss […]

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COVID-19 Threat Update – now includes Blood for Sale

07 Apr 2020

Although the use of global events as a vehicle to drive digital crime is hardly surprising, the current outbreak of COVID-19 has revealed a multitude of vectors, including one in particular that is somewhat out of the ordinary. In a sea of offers for face masks, a recent posting on a dark web forum reveals […]

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Nemty Ransomware – Learning by Doing

02 Apr 2020

Executive Summary The McAfee Advanced Threat Research Team (ATR) observed a new ransomware family named ‘Nemty’ on 20 August 2019. We are in an era where ransomware developers face multiple struggles, from the great work done by the security community to protect against their malware, to initiatives such as the No More Ransom project that […]

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Ransomware Maze

26 Mar 2020

EXECUTIVE SUMMARY The Maze ransomware, previously known in the community as “ChaCha ransomware”, was discovered on May the 29th 2019 by Jerome Segura[1]. The main goal of the ransomware is to crypt all files that it can in an infected system and then demand a ransom to recover the files. However, the most important characteristic […]

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Staying Safe While Working Remotely

18 Mar 2020

Special thanks to Tim Hux and Sorcha Healy for their assistance. The demand for remote working as a result of the COVID-19 pandemic will invariably place pressures on organizations to ensure the availability of corporate resources in geographic locations outside of corporate control. Such demands go beyond the provision of additional capacity, with potentially remote […]

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SMBGhost – Analysis of CVE-2020-0796

13 Mar 2020

The Vulnerability The latest vulnerability in SMBv3 is a “wormable” vulnerability given its potential ability to replicate or spread over network shares using the latest version of the protocol (SMB 3.1.1). As of this writing, Microsoft have just released a patch for CVE-2020-0796 on the morning of March 12th. The bug was introduced very recently, […]

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Android/LeifAccess.A is the Silent Fake Reviewer Trojan

04 Mar 2020

The McAfee Mobile Research team has identified an Android malware family dubbed Android/LeifAccess.A that has been active since May 2019. This trojan was discovered globally with localized versions but  has a much higher prevalence in the USA and Brazil. As part of the payload, this trojan can abuse OAuth leveraging accessibility services to automatically create […]

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Multi-tricks HiddenAds Malware

04 Mar 2020

Thousands of HiddenAds Trojan Apps Masquerade as Google Play Apps The McAfee mobile research team has recently discovered a new variant of the HiddenAds Trojan. HiddenAds Trojan is an adware app used to display advertising and collect user data for marketing. The goal of such apps is to generate revenue by redirecting users to advertisements. […]

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CSI: Evidence Indicators for Targeted Ransomware Attacks – Part II

20 Feb 2020

In our first article we discussed the growing pattern of targeted ransomware attacks where the first infection stage is often an info-stealer kind of malware used to gain credentials/access to determine if the target would be valuable for a ransomware attack. In this second part we will pick up where we left off: the attacker […]

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Model Hacking ADAS to Pave Safer Roads for Autonomous Vehicles

19 Feb 2020

The last several years have been fascinating for those of us who have been eagerly observing the steady move towards autonomous driving. While semi-autonomous vehicles have existed for many years, the vision of fleets of fully autonomous vehicles operating as a single connected entity is very much still a thing of the future. However, the […]

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Introduction and Application of Model Hacking

19 Feb 2020

Catherine Huang, Ph.D., and Shivangee Trivedi contributed to this blog. The term “Adversarial Machine Learning” (AML) is a mouthful!  The term describes a research field regarding the study and design of adversarial attacks targeting Artificial Intelligence (AI) models and features.  Even this simple definition can send the most knowledgeable security practitioner running!  We’ve coined the […]

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CSI: Evidence Indicators for Targeted Ransomware Attacks – Part I

12 Feb 2020

malware

For many years now I have been working and teaching in the field of digital forensics, malware analysis and threat intelligence. During one of the classes we always talk about Lockard’s exchange principle: “with contact between two items, there will be an exchange”. If we translate that to the digital world: “when an adversary breaches […]

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Knock, Knock – Who’s There?

11 Feb 2020

A Windows Linux Subsystem Interop Analysis Following our research from Evil Twins and Windows Linux Subsystem, interoperability between different WSL versions was something that caught our attention. The protocol and mechanism to do file management from/to WSL is a must for Blue and Red Teams whose research will provide new ways to execute known techniques […]

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How Chinese Cybercriminals Use Business Playbook to Revamp Underground

11 Feb 2020

Preface Because of its longevity and technical sophistication, the Russian cybercriminal underground has long been the benchmark for threat researchers focused on studying cybercrime tactics and techniques; there is a plethora of publications dedicated to analyzing its economy and hacking forums. However, only a handful of studies have centered on the emerging threats and trends […]

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Intelligence in the Enterprise

11 Feb 2020

Intelligence became an integral military discipline centuries ago. More recently, this practice evolved into what is called Intelligence Preparation of the Battlefield, or IPB. In both military and civilian agencies, the discipline uses information collection followed by analysis to provide guidance and direction to operators making tactical or organizational decisions. Used strategically, this type of intelligence puts an organization in […]

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U.S. Battleground County Website Security Survey

04 Feb 2020

Today McAfee released the results of a survey of county websites and county election administration websites in the 13 states projected as battleground states in the 2020 U.S. presidential elections. We found that significant majorities of these websites lacked the official government .GOV website validation and HTTPS website security measures to prevent malicious actors from […]

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An Inside Look into Microsoft Rich Text Format and OLE Exploits

24 Jan 2020

There has been a dramatic shift in the platforms targeted by attackers over the past few years. Up until 2016, browsers tended to be the most common attack vector to exploit and infect machines but now Microsoft Office applications are preferred, according to a report published here during March 2019. Increasing use of Microsoft Office […]

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CurveBall – An Unimaginative Pun but a Devastating Bug

18 Jan 2020

Enterprise customers looking for information on defending against Curveball can find information here. 2020 came in with a bang this year, and it wasn’t from the record-setting number of fireworks on display around the world to celebrate the new year. Instead, just over two weeks into the decade, the security world was rocked by a […]

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What CVE-2020-0601 Teaches Us About Microsoft’s TLS Certificate Verification Process

17 Jan 2020

By: Jan Schnellbächer and Martin Stecher, McAfee Germany GmbH This week security researches around the world were very busy working on Microsoft’s major crypto-spoofing vulnerability (CVE-2020-0601) otherwise known as Curveball. The majority of research went into attacks with malicious binaries that are signed with a spoofed Certificate Authority (CA) which unpatched Win10 systems would in […]

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Iran Cyber Threat Update

08 Jan 2020

Recent political tensions in the Middle East region have led to significant speculation of increased cyber-related activities. McAfee is on a heightened state of alert to monitor the evolving threats and rapidly implement coverage across all McAfee products as intelligence becomes available. Known campaigns associated with the threat actors from this region were integrated into […]

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We Be Jammin’ – Bypassing Chamberlain myQ Garage Doors

07 Jan 2020

The idea of controlling your garage door remotely and verifying that everything is secure at home, or having packages delivered directly into your garage is enticing for many people. The convenience that many of these IOT devices provide often persuades consumers away from thinking about the possible security concerns. McAfee Advanced Threat Research recently investigated […]

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The Cloning of The Ring – Who Can Unlock Your Door?

07 Jan 2020

Steve Povolny contributed to this report. McAfee’s Advanced Threat Research team performs security analysis of products and technologies across nearly every industry vertical. Special interest in the consumer space and Internet of Things (IoT) led to the discovery of an insecure design with the McLear NFC Ring a household access control device. The NFC Ring […]

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The Tradeoff Between Convenience and Security – A Balancing Act for Consumers and Manufacturers

07 Jan 2020

This week McAfee Advanced Threat Research (ATR) published new findings, uncovering security flaws in two popular IoT devices: a connected garage door opener and a “smart” ring, which, amongst many uses, utilizes near field communication (NFC) to open door locks. I’d like to use these cases as examples of a growing concern in the area […]

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Top Tips to Spot Tech Support Scams

12 Dec 2019

There are number of ways scammers use to target your money or personal details.  These scams include support sites for services such as Office365, iCloud, Gmail, etc. They will charge you for the service and steal your credit card details. Software activation scam sites will steal your activation code and they may resell it at a […]

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Analysis of LooCipher, a New Ransomware Family Observed This Year

05 Dec 2019

Co-authored by Marc RiveroLopez. Initial Discovery This year seems to again be the year for ransomware. Notorious attacks were made using ransomware and new families are being detected almost on a weekly basis. The McAfee ATR team has now analyzed a new ransomware family with some special features we would like to showcase. LooCipher represents […]

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McAfee Labs 2020 Threats Predictions Report

05 Dec 2019

With 2019’s headlines of ransomware, malware, and RDP attacks almost behind us, we shift our focus to the cybercrime threats ahead. Cybercriminals are increasing the complexity and volume of their attacks and campaigns, always looking for ways to stay one step ahead of cybersecurity practices – and more often using the world’s evolving technology against […]

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Spanish MSSP Targeted by BitPaymer Ransomware

08 Nov 2019

Co-authored by Marc RiveroLopez Initial Discovery This week the news hit that several companies in Spain were hit by a ransomware attack. Ransomware attacks themselves are not new but, by interacting with one of the cases in Spain, we want to highlight in this blog how well prepared and targeted an attack can be and […]

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Buran Ransomware; the Evolution of VegaLocker

05 Nov 2019

McAfee’s Advanced Threat Research Team observed how a new ransomware family named ‘Buran’ appeared in May 2019. Buran works as a RaaS model like other ransomware families such as REVil, GandCrab (now defunct), Phobos, etc. The author(s) take 25% of the income earned by affiliates, instead of the 30% – 40%, numbers from notorious malware […]

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Office 365 Users Targeted by Voicemail Scam Pages

31 Oct 2019

Over the past few weeks McAfee Labs has been observing a new phishing campaign using a fake voicemail message to lure victims into entering their Office 365 email credentials. At first, we believed that only one phishing kit was being used to harvest the user’s credentials. However, during our investigation, we found three different malicious […]

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Did You Check Your Quarantine?!

28 Oct 2019

A cost-effective way to detect targeted attacks in your enterprise While it is easy to get caught up in the many waves of new and exciting protection strategies, we have recently discovered an interesting approach to detect a targeted attack and the related actor(s). Quite surprisingly, a big part of the solution already exists in […]

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Using Expert Rules in ENS to Prevent Malicious Exploits

25 Oct 2019

Expert Rules are text-based custom rules that can be created in the Exploit Prevention policy in ENS Threat Prevention 10.5.3+. Expert Rules provide additional parameters and allow much more flexibility than the custom rules that can be created in the Access Protection policy. It also allows system administration to control / monitor an endpoint system […]

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McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Crescendo

21 Oct 2019

Episode 4: Crescendo This is the final installment of the McAfee Advanced Threat Research (ATR) analysis of Sodinokibi and its connections to GandGrab, the most prolific Ransomware-as-a-Service (RaaS) Campaign of 2018 and mid 2019. In this final episode of our series we will zoom in on the operations, techniques and tools used by different affiliate […]

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McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Follow The Money

14 Oct 2019

Episode 3: Follow the Money This is the third installment of the McAfee Advanced Threat Research (ATR) analysis of Sodinokibi and its connections to GandCrab, the most prolific Ransomware-as-a-Service (RaaS) Campaign of 2018 and mid 2019. The Talking Heads once sang “We’re on a road to nowhere.” This expresses how challenging it can be when […]

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McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – The All-Stars

02 Oct 2019

Episode 2: The All-Stars Analyzing Affiliate Structures in Ransomware-as-a-Service Campaigns This is the second installment of the McAfee Advanced Threat Research (ATR) analysis of Sodinokibi and its connections to GandGrab, the most prolific Ransomware-as-a-Service (RaaS) Campaign of 2018 and mid-2019. GandCrab announced its retirement at the end of May. Since then, a new RaaS family […]

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McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – What The Code Tells Us

02 Oct 2019

Episode 1: What the Code Tells Us McAfee’s Advanced Threat Research team (ATR) observed a new ransomware family in the wild, dubbed Sodinokibi (or REvil), at the end of April 2019. Around this same time, the GandCrab ransomware crew announced they would shut down their operations. Coincidence? Or is there more to the story? In […]

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How Visiting a Trusted Site Could Infect Your Employees

10 Sep 2019

The Artful and Dangerous Dynamics of Watering Hole Attacks A group of researchers recently published findings of an exploitation of multiple iPhone vulnerabilities using websites to infect final targets. The key concept behind this type of attack is the use of trusted websites as an intermediate platform to attack others, and it’s defined as a watering hole […]

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Evolution of Malware Sandbox Evasion Tactics – A Retrospective Study

09 Sep 2019

Executive Summary Malware evasion techniques are widely used to circumvent detection as well as analysis and understanding. One of the dominant categories of evasion is anti-sandbox detection, simply because today’s sandboxes are becoming the fastest and easiest way to have an overview of the threat. Many companies use these kinds of systems to detonate malicious […]

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Apple iOS Attack Underscores Importance of Threat Research

04 Sep 2019

The recent discovery of exploit chains targeting Apple iOS is the latest example of how cybercriminals can successfully operate malicious campaigns, undetected, through the use of zero-day vulnerabilities. In this scenario, a threat actor or actors operated multiple compromised websites, using at least one or more zero-day vulnerabilities and numerous unique exploit chains and known vulnerabilities to […]

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Analyzing and Identifying Issues with the Microsoft Patch for CVE-2018-8423

28 Aug 2019

Introduction As of July 2019, Microsoft has fixed around 43 bugs in the Jet Database Engine. McAfee has reported a couple of bugs and, so far, we have received 10 CVE’s from Microsoft. In our previous post, we discussed the root cause of CVE-2018-8423. While analyzing this CVE and patch from Microsoft, we found that […]

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The Twin Journey, Part 3: I’m Not a Twin, Can’t You See my Whitespace at the End?

13 Aug 2019

In this series of 3 blogs (you can find part 1 here, and part 2 here), so far we have understood the implications of promoting files to “Evil Twins” where they can be created and remain in the system as different entities once case sensitiveness is enabled, and some issues that could be raised by […]

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McAfee AMSI Integration Protects Against Malicious Scripts

12 Aug 2019

Following on from the McAfee Protects against suspicious email attachments blog, this blog describes how the AMSI (Antimalware Scan Interface) is used within the various McAfee Endpoint products. The AMSI scanner within McAfee ENS 10.6 has already detected over 650,000 pieces of Malware since the start of 2019. This blog will help show you how […]

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From Building Control to Damage Control: A Case Study in Industrial Security Featuring Delta’s enteliBUS Manager

09 Aug 2019

Management. Control. It seems that you can’t stick five people in a room together without one of them trying to order the others around. This tendency towards centralized authority is not without reason, however – it is often more efficient to have one person, or thing, calling the shots. For an example of the latter, […]

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HVACking: Understanding the Delta Between Security and Reality

09 Aug 2019

The McAfee Labs Advanced Threat Research team is committed to uncovering security issues in both software and hardware to help developers provide safer products for businesses and consumers. We recently investigated an industrial control system (ICS) produced by Delta Controls. The product, called “enteliBUS Manager”, is used for several applications, including building management. Our research […]

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Avaya Deskphone: Decade-Old Vulnerability Found in Phone’s Firmware

08 Aug 2019

Avaya is the second largest VOIP solution provider (source) with an install base covering 90% of the Fortune 100 companies (source), with products targeting a wide spectrum of customers, from small business and midmarket, to large corporations. As part of the ongoing McAfee Advanced Threat Research effort into researching critical vulnerabilities in widely deployed software […]

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MoqHao Related Android Spyware Targeting Japan and Korea Found on Google Play

07 Aug 2019

The McAfee mobile research team has found a new type of Android malware for the MoqHao phishing campaign (a.k.a. XLoader and Roaming Mantis) targeting Korean and Japanese users. A series of attack campaigns are still active, mainly targeting Japanese users. The new spyware has very different payloads from the existing MoqHao samples. However, we found […]

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The Twin Journey, Part 2: Evil Twins in a Case In-sensitive Land

06 Aug 2019

In the first of this 3-part blog series, we covered the implications of promoting files to “Evil Twins” where they can be created and remain in the system as different entities once case sensitiveness is enabled. In this 2nd post we try to abuse applications that do not work well with CS changes, abusing years […]

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DHCP Client Remote Code Execution Vulnerability Demystified

02 Aug 2019

CVE-2019-0547 CVE-2019-0547 was the first vulnerability patched by Microsoft this year. The dynamic link library, dhcpcore.dll, which is responsible for DHCP client services in a system, is vulnerable to malicious DHCP reply packets. This vulnerability allows remote code execution if the user tries to connect to a network with a rogue DHCP Server, hence making […]

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Clop Ransomware

01 Aug 2019

This new ransomware was discovered by Michael Gillespie on 8 February 2019 and it is still improving over time. This blog will explain the technical details and share information about how this new ransomware family is working. There are some variants of the Clop ransomware but in this report, we will focus on the main […]

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The Twin Journey, Part 1

31 Jul 2019

Summary and Introduction: The recent changes in Windows 10, aiming to add case sensitivity (CS) at directory level, have prompted our curiosity to investigate the potential to use CS as a mean of obfuscation or WYSINWYG (What You See is NOT What you Get). While CS was our entry point, we then ventured into other […]

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Jet Database Engine Flaw May Lead to Exploitation: Analyzing CVE-2018-8423

30 Jul 2019

In September 2018, the Zero Day Initiative published a proof of concept for a vulnerability in Microsoft’s Jet Database Engine. Microsoft released a patch in October 2018. We investigated this flaw at that time to protect our customers. We were able to find some issues with the patch and reported that to Microsoft, which resulted […]

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What Is Mshta, How Can It Be Used and How to Protect Against It

29 Jul 2019

The not-so Usual Suspects There is a growing trend for attackers to more heavily utilize tools that already exist on a system rather than relying totally on their own custom malware. Using .hta files or its partner in crime, mshta.exe, is an alternative to using macro enabled document for attacks and has been around a […]

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Examining the Link Between TLD Prices and Abuse

26 Jul 2019

This blog was written by Charlie Feng. Briefing Over the years, McAfee researchers have observed that certain new top-level Domains (TLDs) are more likely to be abused by cyber criminals for malicious activities than others. Our investigations reveal a negative relationship between the likelihood for abuse and registration price of some TLDs, as reported by […]

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No More Ransom Blows Out Three Birthday Candles Today

26 Jul 2019

Collaborative Initiative Celebrates Helping More Than 200,000 Victims and Preventing More Than 100 million USD From Falling into Criminal Hands Three years ago, on this exact day, the public and private sectors drew a line in the sand against ransomware. At that time, ransomware was becoming one of the most prevalent cyber threats globally. We […]

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Demystifying Blockchain: Sifting Through Benefits, Examples and Choices

23 Jul 2019

You have likely heard that blockchain will disrupt everything from banking to retail to identity management and more. You may have seen commercials for IBM touting the supply chain tracking benefits of blockchain.[i]  It appears nearly every industry is investing in, adopting, or implementing blockchain. Someone has probably told you that blockchain can completely transform […]

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McAfee ATR Aids Police in Arrest of Rubella & Dryad Office Macro Builder

17 Jul 2019

Everyday thousands of people receive emails with malicious attachments in their email inbox. Disguised as a missed payment or an invoice, a cybercriminal sender tries to entice a victim to open the document and enable the embedded macro. This macro then proceeds to pull in a whole array of nastiness and infect a victim’s machine. […]

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16Shop Now Targets Amazon

12 Jul 2019

Since early November 2018 McAfee Labs have observed a phishing kit, dubbed 16Shop, being used by malicious actors to target Apple account holders in the United States and Japan. Typically, the victims receive an email with a pdf file attached. An example of the message within the email is shown below, with an accompanying translation: […]

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RDP Security Explained

24 Jun 2019

RDP on the Radar Recently, McAfee released a blog related to the wormable RDP vulnerability referred to as CVE-2019-0708 or “Bluekeep.” The blog highlights a particular vulnerability in RDP which was deemed critical by Microsoft due to the fact that it exploitable over a network connection without authentication. These attributes make it particularly ‘wormable’ – […]

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Why Process Reimaging Matters

20 Jun 2019

As this blog goes live, Eoin Carroll will be stepping off the stage at Hack in Paris having detailed the latest McAfee Advanced Threat Research (ATR) findings on Process Reimaging.  Admittedly, this technique probably lacks a catchy name, but be under no illusion the technique is significant and is worth paying very close attention to. […]

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In NTDLL I Trust – Process Reimaging and Endpoint Security Solution Bypass

20 Jun 2019

Process Reimaging Overview The Windows Operating System has inconsistencies in how it determines process image FILE_OBJECT locations, which impacts non-EDR (Endpoint Detection and Response) Endpoint Security Solution’s (such as Microsoft Defender Realtime Protection), ability to detect the correct binaries loaded in malicious processes. This inconsistency has led McAfee’s Advanced Threat Research to develop a new […]

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Mr. Coffee with WeMo: Double Roast

30 May 2019

McAfee Advanced Threat Research recently released a blog detailing a vulnerability in the Mr. Coffee Coffee Maker with WeMo. Please refer to the earlier blog to catch up with the processes and techniques I used to investigate and ultimately compromise this smart coffee maker. While researching the device, there was always one attack vector that […]

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Cryptocurrency Laundering Service, BestMixer.io, Taken Down by Law Enforcement

22 May 2019

A much overlooked but essential part in financially motivated (cyber)crime is making sure that the origins of criminal funds are obfuscated or made to appear legitimate, a process known as money laundering. ’Cleaning’ money in this way allows the criminal to spend their loot with less chance of being caught. In the physical world, for […]

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RDP Stands for “Really DO Patch!” – Understanding the Wormable RDP Vulnerability CVE-2019-0708

21 May 2019

During Microsoft’s May Patch Tuesday cycle, a security advisory was released for a vulnerability in the Remote Desktop Protocol (RDP). What was unique in this particular patch cycle was that Microsoft produced a fix for Windows XP and several other operating systems, which have not been supported for security updates in years. So why the […]

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LockerGoga Ransomware Family Used in Targeted Attacks

29 Apr 2019

Co-authored by Marc RiveroLopez. Initial discovery Once again, we have seen a significant new ransomware family in the news. LockerGoga, which adds new features to the tried and true formula of encrypting victims’ files and asking for payment to decrypt them, has gained notoriety for the targets it has affected. In this blog, we will […]

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IoT Zero-Days – Is Belkin WeMo Smart Plug the Next Malware Target?

18 Apr 2019

Effective malware is typically developed with intention, targeting specific victims using either known or unknown vulnerabilities to achieve its primary functions. In this blog, we will explore a vulnerability submitted by McAfee Advanced Threat Research (ATR) and investigate a piece of malware that recently incorporated similar vulnerabilities. The takeaway from this blog is the increasing […]

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Analysis of a Chrome Zero Day: CVE-2019-5786

20 Mar 2019

1. Introduction On March 1st, Google published an advisory [1] for a use-after-free in the Chrome implementation of the FileReader API (CVE 2019-5786). Clement Lecigne from Google Threat Analysis Group reported the bug as being exploited in the wild and targeting Windows 7, 32-bit platforms. The exploit leads to code execution in the Renderer process, […]

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Attackers Exploiting WinRAR UNACEV2.DLL Vulnerability (CVE-2018-20250)

14 Mar 2019

Earlier this month Check Point Research reported discovery of a 19 year old code execution vulnerability in the wildly popular WinRAR compression tool. Rarlab reports that that are over 500 million users of this program. While a patched version, 5.70, was released on February 26, attackers are releasing exploits in an effort to reach vulnerable […]

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McAfee Protects Against Suspicious Email Attachments

04 Mar 2019

Email remains a top vector for attackers.  Over the years, defenses have evolved, and policy-based protections have become standard for email clients such as Microsoft Outlook and Microsoft Mail.  Such policies are highly effective, but only if they are maintained as attacker’s keep changing their tactics to evade defenses.  For this reason, McAfee endpoint products […]

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JAVA-VBS Joint Exercise Delivers RAT

01 Mar 2019

The Adwind remote administration tool (RAT) is a Java-based backdoor Trojan that targets various platforms supporting Java files. For an infection to occur, the user must typically execute the malware by double-clicking on the .jar file that usually arrives as an email attachment. Generally, infection begins if the user has the Java Runtime Environment installed. […]

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Your Smart Coffee Maker is Brewing Up Trouble

25 Feb 2019

IOT devices are notoriously insecure and this claim can be backed up with a laundry list of examples. With more devices “needing” to connect to the internet, the possibility of your WiFi enabled toaster getting hacked and tweeting out your credit card number is, amazingly, no longer a joke. With that in mind, I began […]

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What’s in the Box?

25 Feb 2019

2018 was another record-setting year in the continuing trend for consumer online shopping.  With an increase in technology and efficiency, and a decrease in cost and shipping time, consumers have clearly made a statement that shopping online is their preferred method. Chart depicting growth of online, web-influenced and offline sales by year.1 In direct correlation […]

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Ryuk, Exploring the Human Connection

20 Feb 2019

In collaboration with Bill Siegel and Alex Holdtman from Coveware.   At the beginning of 2019, McAfee ATR published an article describing how the hasty attribution of Ryuk ransomware to North Korea was missing the point. Since then, collective industry peers discovered additional technical details on Ryuk’s inner workings, the overlap between Ryuk and Hermes2.1, […]

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MalBus: Popular South Korean Bus App Series in Google Play Found Dropping Malware After 5 Years of Development

04 Feb 2019

McAfee’s Mobile Research team recently learned of a new malicious Android application masquerading as a plugin for a transportation application series developed by a South Korean developer. The series provides a range of information for each region of South Korea, such as bus stop locations, bus arrival times and so on. There are a total […]

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Happy New Year 2019! Anatova is here!

22 Jan 2019

During our continuous hunt for new threats, we discovered a new ransomware family we call Anatova (based on the name of the ransom note). Anatova was discovered in a private peer-to-peer (p2p) network. After initial analysis, and making sure that our customers are protected, we decided to make this discovery public. Our telemetry showed that […]

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IE Scripting Flaw Still a Threat to Unpatched Systems: Analyzing CVE-2018-8653

10 Jan 2019

Microsoft recently patched a critical flaw in Internet Explorer’s scripting engine that could lead to remote code execution. The vulnerability is being exploited in the wild and was originally reported by a researcher from Google’s Threat Analysis Group. Microsoft released an out-of-band patch to fix the vulnerability before the normal patch cycle. McAfee products received […]

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Ryuk Ransomware Attack: Rush to Attribution Misses the Point

09 Jan 2019

Senior analyst Ryan Sherstobitoff contributed to this report. During the past week, an outbreak of Ryuk ransomware that impeded newspaper printing services in the United States has garnered a lot of attention. To determine who was behind the attack many have cited past research that compares code from Ryuk with the older ransomware Hermes to […]

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Shamoon Attackers Employ New Tool Kit to Wipe Infected Systems

19 Dec 2018

Last week the McAfee Advanced Threat Research team posted an analysis of a new wave of Shamoon “wiper” malware attacks that struck several companies in the Middle East and Europe. In that analysis we discussed one difference to previous Shamoon campaigns. The latest version has a modular approach that allows the wiper to be used […]

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McAfee Labs Threats Report Examines Cybercriminal Underground, IoT Malware, Other Threats

19 Dec 2018

The McAfee Advanced Threat Research team today published the McAfee® Labs Threats Report, December 2018. In this edition, we highlight the notable investigative research and trends in threats statistics and observations gathered by the McAfee Advanced Threat Research and McAfee Labs teams in Q3 of 2018. We are very excited to present to you new […]

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Shamoon Returns to Wipe Systems in Middle East, Europe

14 Dec 2018

Destructive malware has been employed by adversaries for years. Usually such attacks are carefully targeted and can be motivated by ideology, politics, or even financial aims. Destructive attacks have a critical impact on businesses, causing the loss of data or crippling business operations. When a company is impacted, the damage can be significant. Restoration can […]

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‘Operation Sharpshooter’ Targets Global Defense, Critical Infrastructure

12 Dec 2018

This post was written with contributions from the McAfee Advanced Threat Research team.   The McAfee Advanced Threat Research team and McAfee Labs Malware Operations Group have discovered a new global campaign targeting nuclear, defense, energy, and financial companies, based on McAfee® Global Threat Intelligence. This campaign, Operation Sharpshooter, leverages an in-memory implant to download […]

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Pay-Per-Install Company Deceptively Floods Market with Unwanted Programs

04 Dec 2018

For the past 18 months, McAfee Labs has been investigating a pay-per-install developer, WakeNet AB, responsible for spreading prevalent adware such as Adware-Wajam and Linkury. This developer has been active for almost 20 years and recently has used increasingly deceptive techniques to convince users to execute its installers. Our report is now available online. During […]

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McAfee Labs 2019 Threats Predictions Report

29 Nov 2018

Our predictions for 2019 move away from simply providing an assessment on the rise or fall of a particular threat, and instead focus on current rumblings we see in the cybercriminal underground that we expect to grow into trends and subsequently threats in the wild.

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WebCobra Malware Uses Victims’ Computers to Mine Cryptocurrency

13 Nov 2018

McAfee Labs researchers have discovered new Russian malware, dubbed WebCobra, which harnesses victims’ computing power to mine for cryptocurrencies.

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Triton Malware Spearheads Latest Attacks on Industrial Systems

08 Nov 2018

Malware that attacks industrial control systems (ICS), such as the Stuxnet campaign in 2010, is a serious threat. This class of cyber sabotage can spy on, disrupt, or destroy systems that manage large-scale industrial processes. An essential danger in this threat is that it moves from mere digital damage to risking human lives.

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Fallout Exploit Kit Releases the Kraken Ransomware on Its Victims

30 Oct 2018

Alexandr Solad and Daniel Hatheway of Recorded Future are coauthors of this post. Read Recorded Future’s version of this analysis.  Rising from the deep, Kraken Cryptor ransomware has had a notable development path in recent months. The first signs of Kraken came in mid-August on a popular underground forum. In mid-September it was reported that […]

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Android/TimpDoor Turns Mobile Devices Into Hidden Proxies

24 Oct 2018

The McAfee Mobile Research team recently found an active phishing campaign using text messages (SMS) that tricks users into downloading and installing a fake voice-message app which allows cybercriminals to use infected devices as network proxies without users’ knowledge. If the fake application is installed, a background service starts a Socks proxy that redirects all […]

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‘Operation Oceansalt’ Delivers Wave After Wave

18 Oct 2018

In the latest findings from the McAfee Advanced Threat Research team, we examine an adversary that was not content with a single campaign, but launched five distinct waves adapted to their separate targets.

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Ransomware GandCrab Version 5 Partners With Crypter Service for Obfuscation

10 Oct 2018

The GandCrab ransomware, which first appeared in January, has been updated rapidly during its short life, with Version 5.0.2 appearing this month. In this post we will examine the latest version and how the authors have improved the code (and in some cases have made mistakes). McAfee gateway and endpoint products are able to protect […]

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When the Digital Impacts the Physical

09 Oct 2018

Cyberattacks have always been, well, cyber. Their immediate effects were on our data, our digital information, and our devices…until they weren’t. The interconnected nature of the world and the way it’s built in 2018 has brought us exciting and revolutionary innovations, but it has also been leveraged by hackers to extend the impact of a […]

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