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...

Dark Web Roast December 2025 Edition

Dark Web Roast - December 2025 Edition By Trellix Advanced Research Center · January 15, 2026 Executive summary December 2025 delivered a spectacular finale to the year's cybercriminal comedy show, featuring Global Ransomware-as-a-Service RaaS operator liquidating their empire for pocket change,...

The Ghost in the Machine: Unmasking CrazyHunter's Stealth Tactics

The Ghost in the Machine: Unmasking CrazyHunter's Stealth Tactics By Aswath A · January 6, 2026 CrazyHunter ransomware has emerged as a significant and concerning threat, highlighting the increasing sophistication of cybercriminal tactics. Trellix has been actively tracking this ransomware since...

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...

npm Account Hijacking and the Rise of Supply Chain Attacks

npm Account Hijacking and the Rise of Supply Chain Attacks By Trellix Advanced Research Center · September 26, 2025 Contributed by John Fokker, Ilya Kolmanovich, Pavan Podila, Mo Cashman and Jeffrey Sman Key Takeaways Software Supply Chain Attacks are on the Rise: The "Shai-Hulud" worm targeting...

Understanding Iranian Capabilities and Hacktivist Activities

Understanding Iranian Capabilities and Hacktivist Activities By John Fokker · June 23, 2025 As geopolitical tensions flare again in the Middle East, cyber operations are increasingly becoming an extension of physical conflict. State-aligned threat actors, patriotic hackers, and ideologically...

Cyber Threat Landscape Q&A with Trellix Head of Threat Intelligence John Fokker

Cyber Threat Landscape Q&A with Trellix Head of Threat Intelligence John Fokker By Trellix · January 27, 2025 As we step into 2025, it's time to reflect on the seismic changes that shaped the cybersecurity landscape in 2024 and anticipate what's on the horizon for 2025. The past year saw...

Phobos: Stealthy Ransomware That Operated Under the Radar - Until Now

Phobos: Stealthy Ransomware That Operated Under the Radar - Until Now By Jambul Tologonov, John Fokker and Duy-Phuc Pham · November 20, 2024 On November 18th, the US Justice Department unsealed criminal charges against a Russian national for allegedly administering the sale, distribution, and...

OneDrive Pastejacking

OneDrive Pastejacking: The crafty phishing and downloader campaign By Rafael Pena · July 29, 2024 Over the past few weeks, the Trellix Advanced Research Center has observed a sophisticated Phishing/downloader campaign targeting Microsoft OneDrive users. This campaign heavily relies on social...

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...

Tale of Greatness: Journey Through Dark Roads

Tale of Greatness: Journey Through Dark Roads By Daksh Kapur, Vihar Shah, Pooja Khyadgi · May 22, 2024 Cybercriminals have a new weapon in their arsenal: Greatness, a PaaS tool specifically designed to steal your Microsoft 365 login credentials. First detected in mid-2022, it allows attackers to...

China-Taiwan Tensions Spark Surge in Cyberattacks on Taiwan

China-Taiwan Tensions Spark Surge in Cyberattacks on Taiwan By Daksh Kapur, Leandro Velasco · May 17, 2023 Figure 1 image from freepik.com “In the past few years, we noticed that geopolitical conflicts are one of the main drivers for cyber-attacks on a variety of industries and institutions...

We Don’t Just Patch – We Hack

We Don’t Just Patch – We Hack By Trellix · February 1, 2023 This blog was written by Douglas McKee If you have read any security advisories, technology news articles or even our very own Bug Report, you have continually been bombarded with the message to patch, patch, patch! Patching is critical ...

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...

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...

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...

Robot Character Analysis Reveals Trust Issues

ARCHIVED STORY Robot Character Analysis Reveals Trust Issues By Douglas McKee · August 05, 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...

CSI: Evidence Indicators for Targeted Ransomware Attacks - Part II | 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...

Model Hacking ADAS to Pave Safer Roads for Autonomous Vehicles

ARCHIVED STORY Model Hacking ADAS to Pave Safer Roads for Autonomous Vehicles Steve Povolny · FEB 19, 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...

Mr. Coffee with WeMo: Double Roast

ARCHIVED STORY Mr. Coffee with WeMo: Double Roast By Sam Quinn · May 30, 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...

Your Smart Coffee Maker is Brewing Up Trouble

ARCHIVED STORY Your Smart Coffee Maker is Brewing Up Trouble By Sam Quinn · Febraury 25, 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...

Shamoon Returns to Wipe Systems in Middle East, Europe

ARCHIVED STORY Shamoon Returns to Wipe Systems in Middle East, Europe By Alexandre Mundo · December 14, 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...

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...

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...

Taiwan Bank Heist and the Role of Pseudo Ransomware

ARCHIVED STORY Taiwan Bank Heist and the Role of Pseudo Ransomware By Trellix · October 12, 2017 Widespread reports claim the Far Eastern International Bank in Taiwan has become a victim of hacking. The attacks demonstrate the global nature of cybercrime, with the cybercriminals attempting to wir...

Getting Roasted? Trellix Helix sees through AS-REP Attack

Getting Roasted? Trellix Helix sees through AS-REP Attack By Adithya Chandra and Maulik Maheta · March 17, 2026 Executive summary Threat actors regularly target Active Directory environments, continuously refining their toolsets and modifying attack frameworks to bypass security controls. However...

The Fake Domain Controller You Didn’t See Coming: Detecting DCShadow Attacks Using Trellix NDR

The Fake Domain Controller You Didn’t See Coming: Detecting DCShadow Attacks Using Trellix NDR By Maulik Maheta and Chao Sun · December 17, 2025 Executive summary DCShadow is a covert post-exploitation technique that enables an attacker to impersonate a domain controller and make unauthorized,...

XWorm’s Evolving Infection Chain: From Predictable to Deceptive

XWorm’s Evolving Infection Chain: From Predictable to Deceptive By Prashanth A N and Satish Chimakurthi · September 3, 2025 A sophisticated and evolving prevalent XWorm backdoor campaign has recently been identified by the Trellix Advanced Research Center, marking a significant strategic shift in...

Let’s Be Objective: A Deep Dive into 0bj3ctivityStealer's Features

Let’s Be Objective: A Deep Dive into 0bj3ctivityStealer's Features By Ernesto Fernández Provecho · July 28, 2025 The infostealer landscape keeps evolving year over year, and we are beginning to observe new features, targeting more applications and data, and the implementation of new obfuscation a...

From Click to Compromise: Unveiling the Sophisticated Attack of DoNot APT Group on Southern European Government Entities

From Click to Compromise: Unveiling the Sophisticated Attack of DoNot APT Group on Southern European Government Entities By Aniket Choukde, Aparna Aripirala, Alisha Kadam, Akhil Reddy, Pham Duy Phuc and Alex Lanstein · July 8, 2025 Introduction The DoNot APT group, also identified by various...

When Guardians Become Predators: How Malware Corrupts the Protectors

When Guardians Become Predators: How Malware Corrupts the Protectors By Trellix · November 20, 2024 This blog was also written by Trishaan Kalra Introduction We often trust our security software to stand as an unbreakable wall against malware and attacks, but what happens when that very wall is...

The Race to Secure eBPF for Windows

The Race to Secure eBPF for Windows By Trellix · August 11, 2022 This blog was written by Douglas McKee Innovation often improves functionality and even security; however, adoption starts slow. Adoption often doesn’t increase at a linear rate but at an exponential rate leaving behind attack...

A New Program for Your Peloton – Whether You Like It or Not | McAfee Blogs

ARCHIVED STORY A New Program for Your Peloton – Whether You Like It or Not Sam Quinn · JUN 15, 2021 Executive Summary For those that are not familiar with Peloton, it is a brand that has combined high end exercise equipment with cutting-edge technology. Its products are equipped with a large tabl...

Ransomware Maze

ARCHIVED STORY Ransomware Maze Alexandre Mundo · MAR 26, 2020 Overview The Maze ransomware, previously known in the community as “ChaCha ransomware”, was discovered on May the 29th 2019 by Jerome Segura1. The main goal of the ransomware is to crypt all files that it can in an infected system and...

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

ARCHIVED STORY The Cloning of The Ring - Who Can Unlock Your Door? By Eoin Carroll · January 06, 2020 Steve Povolny contributed to this report. The Cloning of The Ring McAfee’s Advanced Threat Research team performs security analysis of products and technologies across nearly every industry...

Shamoon Returns to Wipe Systems in Middle East, Europe

ARCHIVED STORY Shamoon Returns to Wipe Systems in Middle East, Europe By Alexandre Mundo · December 14, 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...

IoT Devices: The Gift that Keeps on Giving… to Hackers

ARCHIVED STORY IoT Devices: The Gift that Keeps on Giving… to Hackers By Tim Hux · November 16, 2017 McAfee Advanced Threat Research on Most Hackable Gifts You’ve probably noticed the recent increase in Internet connected drones, digital assistants, toys, appliances and other devices hitting the...

Unmasking Hidden Threats: Spotting a DPRK IT-Worker Campaign

Unmasking Hidden Threats: Spotting a DPRK IT-Worker Campaign By Duy-Phuc Pham and John Fokker · September 23, 2025 In today's complex threat landscape, staying ahead of sophisticated adversaries is paramount. Organizations face constant pressure to identify threats that do not always involve...

Detecting and Visualizing Lateral Movement Attacks with Trellix Helix Connect

Detecting and Visualizing Lateral Movement Attacks with Trellix Helix Connect By Maulik Maheta and Adithya Chandra · July 17, 2025 Executive summary This blog marks the third installment in our series on detecting and visualizing lateral movement attacks with Trellix Helix Connect. A lateral...

Cyber Threats Targeting the US Government During the Democratic National Convention

Cyber Threats Targeting the US Government During the Democratic National Convention By Anne An · October 2, 2024 Introduction Trellix global sensors detected increased threat activities during the days that the Democratic National Convention DNC was held in August 2024, culminating into a massive...

A Catalog of Hazardous AV Sites – A Tale of Malware Hosting

A Catalog of Hazardous AV Sites – A Tale of Malware Hosting By Trellix · May 23, 2024 This blog was written by Gurumoorthi Ramanathan Executive summary In mid-April 2024, Trellix Advanced Research Center team members observed multiple fake AV sites hosting highly sophisticated malicious files suc...

Trellix Global Defenders: Analysis and Protections for Destructive Wipers

Trellix Global Defenders: Analysis and Protections for Destructive Wipers By Ayed Al Qartah · November 17, 2022 Modern cyber warfare involves the actions of a nation-state or their proxies organized crime and hacker groups to attack and attempt to damage other nations’ computers or information...

Cyberattacks Rise Targeting Infrastructure and Geo Tensions

Trellix Threat Labs Research Report: Cyberattacks Targeting Critical Infrastructure Rise Along with Geopolitical Tensions By Trellix · April 27, 2022 The release of our Trellix Threat Labs Research Report: April 2022 examines cybercriminal behavior and activity related to cyber threats in the...

Nation-State Crosshairs: Australia, India & Japan

In The Nation-State Crosshairs: Australia, India & Japan 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’ mindsets...

Trellix Global Defenders: LAPSUS$ Data Breaches and Proactive Protections

Trellix Global Defenders: LAPSUS$ Data Breaches and Proactive Protections By Taylor Mullins · March 23, 2022 Trellix is continuing to monitor the threat activity related to the LAPSUS$ threat group and their recent breaches of large organizations such as NVIDIA, Samsung, Microsoft, and Okta. This...

Iran Cyber Threat Update

ARCHIVED STORY Iran Cyber Threat Update By Trellix · January 08, 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...

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

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – The All-Stars John Fokker · OCT 02, 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...

What’s in the Box?

ARCHIVED STORY What’s in the Box? By Sam Quinn · February 25, 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...

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...