RagnarLocker Ransomware Threatens to Release Confidential Information | McAfee Blogs

ARCHIVED STORY RagnarLocker Ransomware Threatens to Release Confidential Information Alexandre Mundo · JUN 09, 2020 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. Th...

Industrial Security Featuring Delta's enteliBUS Manager

ARCHIVED STORY From Building Control to Damage Control: A Case Study in Industrial Security Featuring Delta's enteliBUS Manager By Mark Bereza · August 09, 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...

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

ARCHIVED STORY McAfee ATR Aids Police in Arrest of Rubella & Dryad Office Macro Builder By John Fokker · July 16, 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...

Crypto Currency Laundering Service, BestMixer.io, Taken Down by Law Enforcement

ARCHIVED STORY Cryptocurrency Laundering Service, BestMixer.io, Taken Down by Law Enforcement By John Fokker · May 22, 2019 A much overlooked but essential part in financially motivated cybercrime is making sure that the origins of criminal funds are obfuscated or made to appear legitimate, a...

80 to 0 in Under 5 Seconds: Falsifying a Medical Patient's Vitals

ARCHIVED STORY 80 to 0 in Under 5 Seconds: Falsifying a Medical Patient's Vitals By Douglas McKee · August 11, 2018 The author thanks Shaun Nordeck, MD, for his assistance with this report. With the explosion of growth in technology and its influence on our lives, we have become increasingly...

Gandcrab Ransomware Puts Pinch On Victims

ARCHIVED STORY GandCrab Ransomware Puts the Pinch on Victims By Alexandre Mundo · July 31, 2018 Update: On August 9 we added our analysis of Versions 4.2.1 and 4.3. The GandCrab ransomware first appeared in January and has been updated rapidly during its short life. It is the leading ransomware...

Operation Dragonfly Analysis Suggests Links to Earlier Attacks

ARCHIVED STORY Operation Dragonfly Analysis Suggests Links to Earlier Attacks By Trellix · December 17, 2017 On September 6, Symantec published details of the Dragonfly campaign, which targeted dozens of energy companies throughout 2017. This attack was effectively Dragonfly 2.0, an update to a...

Operation Dragonfly Analysis Suggests Links to Earlier Attacks

ARCHIVED STORY Operation Dragonfly Analysis Suggests Links to Earlier Attacks By Trellix · December 17, 2017 On September 6, Symantec published details of the Dragonfly campaign, which targeted dozens of energy companies throughout 2017. This attack was effectively Dragonfly 2.0, an update to a...

Automagic Reverse Engineering

Automagic Reverse Engineering By Trellix · July 1, 2025 This blog was written by Max Kersten Over the last few years, I have looked into methods to improve the reverse engineering process. This saves essential time during the analysis, which helps while defending from well prepared threat actors...

Transforming Threat Actor Research into a Strong Defense Strategy

Transforming Threat Actor Research into a Strong Defense Strategy By James Murphy, Ale Houspanossian, Leandro Velasco LV and Ilya Kolmanovich · November 14, 2024 What does it take to transform threat actor research into detection engineering? If we look at threat intelligence at its core, then we...

Cybercrooks leveraging anti automation toolkit for phishing campaigns

Cybercrooks Leveraging Anti Automation Toolkit for Phishing Campaigns By Vihar Shah and Rohan Shah · December 18, 2023 Threat actors have a track record of abusing tools hosted on GitHub for malicious purposes. Last year we showed how attackers abused Python’s tarfile module. Trellix Advanced...

Resilient Security Requires Mature Cyber Threat Intelligence Capabilities

Resilient Security Requires Mature Cyber Threat Intelligence Capabilities By Trellix Advanced Research Center · August 5, 2023 Threat intelligence and the ability to add context to each technology environment to global threats has never been more important to the role of the CISO, or to the board...

Email Cyberattacks on Arab Countries Rise in Lead to Global Football Tournament

Email Cyberattacks on Arab Countries Rise in Lead to Global Football Tournament By Daksh Kapur · November 17, 2022 This story was also written by Sparsh Jain. Figure 1 Global eyes are soon to be turned to the first global football tournament to be held in the Arab world kicking off on November 20...

Wipermania: An All You Can Wipe Buffet

Wipermania: An All You Can Wipe Buffet By Max Kersten · November 15, 2022 In early 2022, Ukrainian companies were struck by multiple destructive wipers, attacking various organizations across sectors. This raised questions about the usage and impact of “digital weapons” within the security...

The Sound of Malware

The Sound of Malware By Trellix · June 23, 2022 Do, a debugger, you often use Re, a reverse engineer Mi, a name, I call myself Anyways…. By now, you must be very thankful I reminded you of this famous song; I am sure it will be stuck in your head the rest of the day. You’re welcome! Confused on h...

Utilizing the Adaptive Defense Model Against Information Stealers

Trellix Global Defenders: Utilizing the Adaptive Defense Model Against Information Stealers By Taylor Mullins · May 23, 2022 Trellix is continuing to observe the continued growth in usage and general availability of Information Stealers that have the functionality to collect passwords, cookies,...

5G: The Final Frontier

5G: The Final Frontier This story was written by Kevin Mcgrath · April 7th, 2022 Today Trellix Threat Labs is excited to announce the release of a whitepaper dedicated to 5G and its potential security concerns. As we look at the potential of 5G, we foresee it impacting nearly every facet of digit...

Executive Summary: Organizations and Nation-State Cyber Threats

Executive Summary: Organizations and Nation-State Cyber Threats By John Fokker · March 28, 2022 Traditionally when we talk about threat actors, we first need to make the split between cybercrime and nation-state sponsored operations. Where cybercrime is mostly focused on financial gain,...

Babuk: Biting off More than they Could Chew by Aiming to Encrypt VM and *nix Systems? | McAfee Blogs

Babuk: Biting off More than they Could Chew by Aiming to Encrypt VM and nix Systems? Thibault Seret · JUL 28, 2021 Co-written with Northwave’s Noël Keijzer. Executive Summary For a long time, ransomware gangs were mostly focused on Microsoft Windows operating systems. Yes, we observed the...

Operation Dianxun Cyberespionage Campaign Targeting Telecommunication Companies

ARCHIVED STORY Operation Diànxùn: Cyberespionage Campaign Targeting Telecommunication Companies By Thomas Roccia · MAR 16, 2021 In this report the McAfee Advanced Threat Research ATR Strategic Intelligence team details an espionage campaign, targeting telecommunication companies, dubbed Operation...

McAfee ATR Thinks in Graphs | McAfee Blogs

ARCHIVED STORY McAfee ATR Thinks in Graphs By Valentine Mairet · MAR 08, 2021 · 19 MIN READ 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...

Operation North Star: Summary Of Our Latest Analysis | McAfee Blogs

Operation North Star: Summary Of Our Latest Analysis By Trellix · NOV 05, 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...

Dopple-Ganging Up on Facial Recognition

ARCHIVED STORY Dopple-ganging up on Facial Recognition Systems By Steve Povolny · August 25, 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 McAf...

Our Experiences Participating in Microsoft’s Azure Sphere Bounty Program | McAfee Blogs

CSI: Evidence Indicators for Targeted Ransomware Attacks – Part II Christiaan Beek · FEB 20, 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...

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

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Crescendo By Jessica Saavedra-Morales · October 20, 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...

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

ARCHIVED STORY McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Follow The Money By John Fokker · October 14, 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 mos...

HVACking: Understanding the Delta Between Security and Reality

ARCHIVED STORY HVACking: Understanding the Delta Between Security and Reality By Douglas McKee · August 09, 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...

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

ARCHIVED STORY In NTDLL I Trust – Process Reimaging and Endpoint Security Solution Bypass By Eoin Carroll · June 20, 2019 Process Reimaging Overview The Windows Operating System has inconsistencies in how it determines process image FILEOBJECT locations, which impacts non-EDR Endpoint Detection a...

Crypto Currency Laundering Service, BestMixer.io, Taken Down by Law Enforcement

ARCHIVED STORY Cryptocurrency Laundering Service, BestMixer.io, Taken Down by Law Enforcement By John Fokker · May 22, 2019 A much overlooked but essential part in financially motivated cybercrime is making sure that the origins of criminal funds are obfuscated or made to appear legitimate, a...

Ryuk, Exploring the Human Connection

ARCHIVED STORY Ryuk, Exploring the Human Connection By John Fokker · Febraury 19, 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...

Poor Security Exposes Medical Data to Cybercriminals

ARCHIVED STORY McAfee Researchers Find Poor Security Exposes Medical Data to Cybercriminals By Christiaan Beek · March 11, 2018 The nonperishable nature of medical data makes an irresistible target for cybercriminals. The art of hacking requires significant time and effort, encouraging experience...

When SPNs Go Rogue: Detection and Remediation with Trellix NDR

When SPNs Go Rogue: Detection and Remediation with Trellix NDR By Maulik Maheta and Henry Bernabe · February 10, 2026 Executive summary Service Principal Names SPNs are essential for Kerberos authentication in Active Directory AD, but misconfigurations, such as assigning SPNs to standard user...

Today’s threat landscape demands a proactive OT security strategy

Today’s threat landscape demands a proactive OT security strategy By John Fokker and Mo Cashman · November 18, 2025 Overview: The operational technology OT security landscape is undergoing rapid transformation, marked by an escalation in advanced threats. As reported in Trellix’s November...

Dark Web Roast - October 2025 Edition

Dark Web Roast - October 2025 Edition By Trellix Advanced Research Center · November 13, 2025 Executive Summary Welcome to October 2025, where the cybercrime underground has officially become more absurd than a fever dream. This month’s headline was xltshirt being royally fleeced out of $3,000 fo...

The Silent Threat in Active Directory: How AS-REP Roasting Steals Passwords Without a Trace and Trellix NDR’s Rapid Detection

The Silent Threat in Active Directory: How AS-REP Roasting Steals Passwords Without a Trace and Trellix NDR’s Rapid Detection By Maulik Maheta · October 15, 2025 Executive summary Adversaries use AS-REP Roasting to extract and crack password hashes from Active Directory AD accounts with Kerberos...

Managing Risk During the CrowdStrike Global Tech Outage

Managing Risk During the CrowdStrike Global Tech Outage By Mo Cashman & Trellix Advanced Research Center · July 19, 2024 Updated: July 25, 2024 How it Happened A defective content update provided by cybersecurity firm CrowdStrike caused Microsoft Windows systems to crash, disrupting airline trave...

Get to Know Steve Povolny

Meet Steve Povolny Head of Advanced Threat Research for Trellix Threat Labs By Michael Alicea · May 17, 2022 At Trellix, we celebrate and champion our people. This week, I sat down with Steve Povolny, Head of Advanced Threat Research for Trellix Threat Labs. As he is one of the leading...

Detection of ‘Leave Behinds’ From Nation-State Actors

Who left the backdoor open? By Trellix · March 28, 2022 In our recent report, In the Crosshairs: Companies and Nation-State Cyber Threats, over 800 IT decision makers from around the world were interviewed on their experiences with nation-state cyber attacks. One of the questions sought to...

Nation-State Crosshairs: France, Germany & United Kingdom

In the Nation-State Crosshairs: France, Germany & the United Kingdom By Trellix · March 28, 2022 Today Trellix and the Center for Strategic and International Studies CSIS released a global report, In the Crosshairs: Organizations and Nation-State Cyber Threats, examining security professionals’...

Who Will Bend the Knee in RaaS Game of Thrones in 2022?

ARCHIVED STORY Who Will Bend the Knee in RaaS Game of Thrones in 2022? By John Fokker and Raj Samani · November 07, 2021 McAfee Enterprise and FireEye recently released its 2022 Threat Predictions. In this blog, we take a deeper dive into a Game of Thrones power struggle among...

Nation States Will Weaponize Social and Recruit Bad Guys with Benefits in 2022

ARCHIVED STORY Nation States Will Weaponize Social and Recruit Bad Guys with Benefits in 2022 By Raj Samani · October 31, 2021 McAfee Enterprise and FireEye recently released its 2022 Threat Predictions. In this blog, we take a deeper dive into the continuingly aggressive role Nation States will...

My Adventures Hacking the iParcelBox

ARCHIVED STORY My Adventures Hacking the iParcelBox By Sam Quinn · June 18, 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...

Triton Malware Spearheads Latest Attacks on Industrial Systems | McAfee Blogs

ARCHIVED STORY Triton Malware Spearheads Latest Attacks on Industrial Systems Alexandre Mundo · MAR 26, 2020 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...

Spanish MSSP Targeted by BitPaymer Ransomware

ARCHIVED STORY Spanish MSSP Targeted by BitPaymer Ransomware By ATR Operational Intelligence Team · November 08, 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...

Fallout Exploit Kit Releases the Kraken Ransomware on Its Victims

ARCHIVED STORY Fallout Exploit Kit Releases the Kraken Ransomware on Its Victims By John Fokker · October 30, 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...

Gandcrab Ransomware Puts Pinch On Victims

ARCHIVED STORY GandCrab Ransomware Puts the Pinch on Victims By Alexandre Mundo · July 31, 2018 Update: On August 9 we added our analysis of Versions 4.2.1 and 4.3. The GandCrab ransomware first appeared in January and has been updated rapidly during its short life. It is the leading ransomware...

DCSync Detection Without Signatures: Trellix NDR and the Power of Technique-Based Defense

DCSync Detection Without Signatures: Trellix NDR and the Power of Technique-Based Defense By Maulik Maheta and Chao Sun · April 14, 2026 Executive summary A DCSync attack is one of the most formidable techniques an adversary can deploy after gaining a foothold in an Active Directory AD environmen...

From Digital Innovation to Patient Harm: Why Healthcare Cybersecurity Is Now a C-Suite Imperative

From Digital Innovation to Patient Harm: Why Healthcare Cybersecurity Is Now a C-Suite Imperative By John Fokker · January 27, 2026 For decades, healthcare systems were designed with one core principle: patient safety. Clinical devices operated in largely closed environments, disconnected from th...

Silent Domain Hijack: Detecting DCSync with Trellix NDR

Silent Domain Hijack: Uncovering the DCSync Attack and Detecting with Trellix NDR By Maulik Maheta and Chao Sun · December 10, 2025 Executive summary DCSync is one of the most powerful and stealthy techniques an attacker can use once they have gained access to an Active Directory AD environment...

The Evolution of Russian Physical-Cyber Espionage

The Evolution of Russian Physical-Cyber Espionage By Ryan Slaney · October 6, 2025 Russian state-sponsored cyber operations, primarily those conducted by hackers belonging to its Main Intelligence Directorate GRU, also known as APT28, have long combined digital intrusions with physical tradecraft...