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 Threat Lurking in Data Centers – Hack Power Management Systems, Take All the Power

The Threat Lurking in Data Centers – Hack Power Management Systems, Take All the Power By Trellix · August 12, 2023 This story was also written by Jesse Chick, Philippe Laulheret and Sam Quinn. Summary In a modern working environment where many employees are working from home or in hybrid office...

The Bug Report January 2023 Edition

The Bug Report – January 2023 Edition By Trellix · February 1, 2023 This story was also written by Jesse Chick. Pretty sure we’ve all seen this episode before. Why am I here? Welcome to the Bug Report, Space-Hash™ Edition! Think about it. We'll wait. For many of us, January began with a headache ...

Analysis and Protections for RagnarLocker Ransomware

Trellix Global Defenders: Analysis and Protections for RagnarLocker Ransomware By Taylor Mullins · February 28, 2022 The United States Federal Bureau of Investigation FBI has released a Flash Alert warning that the RagnarLocker ransomware gang has breached the networks of at least fifty-two...

Introduction and Application of Model Hacking

ARCHIVED STORY Introduction and Application of Model Hacking By Steve Povolny · Febraury 19, 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 o...

Unauthenticated Remote Code Execution in a Wide Range of DrayTek Vigor Routers

Unauthenticated Remote Code Execution in a Wide Range of DrayTek Vigor Routers By Trellix · August 3, 2022 This story was written by Philippe Laulheret. Summary The Trellix Threat Labs Vulnerability Research team has found an unauthenticated remote code execution vulnerability, filed under...

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

ARCHIVED STORY Netop Vision Pro – Distance Learning Software is 20/20 in Hindsight By Sam Quinn · MAR 21, 2021 · 27 MIN READ 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...

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

ARCHIVED STORY Securing Space 4.0 – One Small Step or a Giant Leap? - Part 1 By Eoin Carroll · September 30, 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...

Trellix Advanced Research Center patches 61,000 vulnerable open-source projects

Trellix Advanced Research Center Patches 61,000 Vulnerable Open-Source Projects By Trellix · January 23, 2023 This blog was written by Douglas McKee Late last year, the Trellix Advanced Research Center team uncovered a vulnerability in Python’s tarfile module. As we dug in, we realized this was...

Limiting the Software Supply Chain Attack Surface

Limiting the Software Supply Chain Attack Surface By Trellix · September 21, 2022 This blog was written by Douglas McKee We often discuss how the intentions of an action matter, and it's clear to see why they do. If I am walking down the sidewalk, distracted by my phone of course and run into a...

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities

Open-Source Intelligence to Understand the Scope of N-Day Vulnerabilities By Charles McFarland · September 21, 2022 The zero-day is the holy grail for cybercriminals; However, N-day vulnerabilities can pose problems even years after discovery. If a target is vulnerable, it doesn’t matter whether...

Tarfile: Exploiting the World With a 15-Year-Old Vulnerability

Tarfile: Exploiting the World With a 15-Year-Old Vulnerability By Trellix · September 21, 2022 This story was also written by Kasimir Schulz While investigating an unrelated vulnerability, Trellix Advanced Research Center stumbled across a vulnerability in Python’s tarfile module. Initially we...

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite

Trellix Global Defenders: Defending against Cyber Espionage Campaigns – Operation Graphite By Ben Marandel, Arnab Roy · June 20, 2022 Cyber Espionage campaigns by nature are targeted attacks that can go undetected for prolonged periods of time. Cyber Espionage campaigns often involve adversaries...

When Pwning Cisco Persistence Is Key When Pwning Supply Chain Cisco Is Key

When Pwning Cisco, Persistence is Key - When Pwning Supply Chain, Cisco is Key By Trellix · February 1, 2023 This story was also written by Kasimir Schulz and Sam Quinn. Unlike those of the past, modern routers now function like high-powered servers with many ethernet ports running not only routi...

OpenSSL 3.0 Vulnerabilities: CVE 2022-3786 and CVE 2022-3602

OpenSSL 3.0 Vulnerabilities: CVE 2022-3786 and CVE 2022-3602 By Trellix and Sam Quinn · November 1, 2022 This story was also written by Charles McFarland and Philippe Laulheret. What is it? CVE-2022-3786 and CVE-2022-3602 are buffer overflow vulnerabilities affecting OpenSSL 3.0 and above that we...

The Bug Report - December 2021 Edition

The Bug Report - December 2021 By Philippe Laulheret · January 19, 2022 Your Cybersecurity Comic Relief Why am I here? If you’re reading these words, CONGRATULATIONS! You’ve made it to 2022! And even better, you found your way to ATR’s monthly security digest where we discuss our favorite...

How Groove Gang is Shaking up the RAAS to Empower Affiliates

ARCHIVED STORY How Groove Gang is Shaking up the Ransomware-as-a-Service Market to Empower Affiliates By Max Kersten, John Fokker and Thibault Seret · September 08, 2021 Co-authored with Intel471 and McAfee Enterprise Advanced Threat Research ATR would also like to thank Coveware for its...

The Bug Report – June 2022 Edition

The Bug Report – June 2022 Edition By Trellix · July 6, 2022 This story was also written by Sam Quinn. Your Cybersecurity Comic Relief Why am I here? Why do all the most critical vulnerabilities always have to come out on holidays? Just like clockwork, CVE-2022-26134 came out over the U.S.’...

The Bug Report - December 2021 Edition

The Bug Report - December 2021 By Philippe Laulheret · January 19, 2022 Your Cybersecurity Comic Relief Why am I here? If you’re reading these words, CONGRATULATIONS! You’ve made it to 2022! And even better, you found your way to ATR’s monthly security digest where we discuss our favorite...

Threat Analysis: SquidLoader - Still Swimming Under the Radar

Threat Analysis: SquidLoader - Still Swimming Under the Radar By Charles Crofford · July 15, 2025 Executive summary A new wave of SquidLoader malware samples are actively targeting financial services institutions in Hong Kong. This sophisticated malware exhibits significant evasion capabilities,...

Storm-0324: An access for the RaaS Threat Actor (Sangria Tempest)

Storm-0324 to Sangria Tempest Leads to Ransomware Capabilities By Gurumoorthi Ramanathan · October 5, 2023 Executive Summary: In early July 2023, the threat actor that Microsoft calls “Storm-0324” was observed sending a phishing message through Microsoft Teams. Storm-0324 is a financially motivat...

The Bug Report – February 2023 Edition

The Bug Report – February 2023 Edition By Trellix · March 1, 2023 This story was also written by Sam Quinn. Figure 1: Ironic. It could protect other devices from threats, but not itself. Why am I here? Welcome back to the Bug Report! For those in the audience unfamiliar with our shtick, we compil...

The Bug Report - March 2022 Edition

The Bug Report - March 2022 By Charles McFarland · April 6, 2022 Your Cybersecurity Comic Relief Comic from https://geek-and-poke.com/ and remains unedited. https://creativecommons.org/licenses/by/3.0/ Use of this comic does not indicate endorsement by the creator. Why am I here? Welcome back the...

CVE-2020-16898: Bad Neighbor | McAfee Blogs

ARCHIVED STORY CVE-2020-16898: “Bad Neighbor” Steve Povolny · OCT 13, 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...

Dark Web Roast - July 2025 Edition

Dark Web Roast - July 2025 Edition By Trellix Advanced Research Center · August 19, 2025 Executive Summary July 2025 delivered a masterclass in cybercriminal mediocrity that would make even the most charitable threat intelligence analyst weep into their coffee. After extensive hunts across the da...

CurveBall – An Unimaginative Pun but a Devastating Bug

ARCHIVED STORY CurveBall – An Unimaginative Pun but a Devastating Bug By Steve Povolny · June 17, 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 firewor...

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

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – What The Code Tells Us By McAfee Labs · October 2, 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 201...

The Bug Report - June 2023 Edition

The Bug Report – June 2023 Edition By Trellix · July 05, 2023 This story was also written by Jesse Chick. Can I have a word with the developers who greenlit these vulns? Why am I here? "To our newcomers, welcome! To our old hands, welcome back!" Iykyk. Every month, we chronicle the disruptive new...

Trellix Threat Labs Uncovers Critical Flaws in Widely Used Building Access Control System

Trellix Threat Labs Uncovers Critical Flaws in Widely Used Building Access Control System By Trellix · June 9, 2022 This story was also written by Steve Povolny and Sam Quinn. Today at the Hardwear.io Security Trainings and Conference, Trellix Threat Labs is sharing new research into...

CVE-2020-16898: Bad Neighbor | McAfee Blogs

ARCHIVED STORY CVE-2020-16898: “Bad Neighbor” Steve Povolny · OCT 13, 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...

The Bug Report - April 2024 Edition

The Bug Report - April 2024 Edition By Jonathan Omakun and Tobi Olawale· April 29, 2024 Why am I here? Just when you thought it was safe to go back into the digital waters, out pops another series of rogue waves in the form of CVEs! It's like that beach vacation you planned to get away from it al...

The Bug Report - March 2023 Edition

The Bug Report – March 2023 Edition By Trellix · April 05, 2023 This story was also written by Kasimir Schulz. It really is bussin, though. Why am I here? Welcome back to the Bug Report, Ides of March edition! Last month was highlighted by glimpses into the past, with a historic attack technique...

Beyond Memory Corruption Vulnerabilities – A Security Extinction and Future of Exploitation

Beyond Memory Corruption Vulnerabilities – A Security Extinction and Future of Exploitation By Chintan Shah · January 24, 2022 Modern exploitation techniques have changed how adversaries execute their attack strategies and how defenders analyze paths from vulnerability to exploitation. Over the...

The Bug Report November 2021 Edition

The Bug Report — November 2021 Edition By Mark Bereza · November 30, 2021 Your Cybersecurity Comic Relief CVE-2021-20322: Of all the words of mice and men, the saddest are, “it was DNS again.” Why am I here? For all our newcomers, welcome to the Advanced Threat Research team’s monthly bug report ...

CSI Evidence Indicators for Targeted Ransomware Attacks

ARCHIVED STORY CSI: Evidence Indicators for Targeted Ransomware Attacks – Part I By Trellix · Febraury 12, 2020 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...

A Flyby on the CFO's Inbox: Spear-Phishing Campaign Targeting Financial Executives with NetBird Deployment

A Flyby on the CFO's Inbox: Spear-Phishing Campaign Targeting Financial Executives with NetBird Deployment By Trellix · May 28, 2025 This blog was written by Srini Seethapathy Trellix wants to acknowledge thequick response from NetBird following our initial findings. NetBird acted immediately to...

Unmasking the Hidden Threat: Inside a Sophisticated Excel-Based Attack Delivering Fileless Remcos RAT

Unmasking the Hidden Threat: Inside a Sophisticated Excel-Based Attack Delivering Fileless Remcos RAT By Trellix · September 11, 2024 This blog was also written by Trishaan Kalra Introduction In the rapidly evolving landscape of cybersecurity, attackers are continuously refining their methods to...

Beyond File Search: A Novel Method

Beyond File Search: A Novel Method for Exploiting the "search-ms" URI Protocol Handler By Sijo Jacob · July 26, 2023 This blog was also written by Mathanraj Thangaraju Threat Summary In the ever-evolving landscape of cyber threats, malware authors continuously explore new avenues to exploit...

Countering Follina Attack (CVE- 2022-30190) with Trellix Intrusion Prevention System’s Advanced Detection Features

Countering Follina Attack CVE- 2022-30190 with Trellix Intrusion Prevention System's Advanced Detection Features By Trellix · July 19, 2022 This blog was also written by Chintan Shah Executive summary During the end of May 2022, independent security researchers reported a vulnerability assigned...

Five Eyes Alliance Advisory & Using Threat Intelligence

Trellix Global Defenders: Five Eyes Alliance Advisory and Using Threat Intelligence to Protect Against Future Attacks By Taylor Mullins · May 6, 2022 Evolving intelligence continues to indicate that the Russian government is exploring options to launch cyberattacks in retaliation against...

Conti Leaks: Examining the Panama Papers of Ransomware | Trellix

Conti Leaks: Examining the Panama Papers of Ransomware By John Fokker, Jambul Tologonov · March 31, 2022 Introduction It isn’t often the whole world gets an inside look of the business operations of a top tier cybercriminal group. Very early on in the Russian-Ukrainian Crisis the predominantly...

Prime Minister’s Office Compromised: Details of Recent Espionage Campaign

Prime Minister’s Office Compromised: Details of Recent Espionage Campaign By Marc Elias · January 25, 2022 A special thanks to Christiaan Beek, Alexandre Mundo, Leandro Velasco and Max Kersten for malware analysis and support during this investigation. Executive Summary Our Advanced Threat Resear...

Ripple20 Critical Vulnerabilities – Detection Logic and Signatures

ARCHIVED STORY Ripple20 Critical Vulnerabilities – Detection Logic and Signatures By Steve Povolny · August 05, 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 ...

The Psychology of Phishing: Unraveling the Success Behind Phishing Attacks and Effective Countermeasures

The Psychology of Phishing: Unraveling the Success Behind Phishing Attacks and Effective Countermeasures By Tomer Shloman · February 1, 2024 Phishing is one of the most sneaky and widespread attacks in the constantly changing world of cybersecurity threats. This form of cyber attack, deceiving...

Trellix Advanced Research Center Discovers a New Privilege Escalation Bug Class on macOS and iOS

Trellix Advanced Research Center Discovers a New Privilege Escalation Bug Class on macOS and iOS By Trellix · February 21, 2023 This blog was written by Austin Emmitt Introduction Since the first version of iOS on the original iPhone, Apple has enforced careful restrictions on the software that c...

The Bug Report – April 2022 Edition

The Bug Report – April 2022 Edition By Trellix · May 4, 2022 This blog was written by Mark Bereza Your Cybersecurity Comic Relief Source: https://twitter.com/cyb3rops/status/1509290413168934918 Why Am I here? For those in my hemisphere, springtime is finally here and, like always, it promises...

BlackMatter Ransomware Analysis; The Dark Side Returns

ARCHIVED STORY BlackMatter Ransomware Analysis; The Dark Side Returns By Alexandre Mundo and Marc Elias · September 22, 2021 BlackMatter is a new ransomware threat discovered at the end of July 2021. This malware started with a strong group of attacks and some advertising from its developers that...

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...

OneClik: A ClickOnce-Based APT Campaign Targeting Energy, Oil and Gas Infrastructure

OneClik: A ClickOnce-Based Red Team Campaign Simulating APT Tactics in Energy Infrastructure By Nico Paulo Yturriaga and Pham Duy Phuc · Updated : June 30, 2025 The Trellix Advanced Research Center previously uncovered what appeared to be a sophisticated APT malware campaign, which we dubbed...

ICYMI: Emotet Reappeared Early This Year, Unfortunately

ICYMI: Emotet Reappeared Early This Year, Unfortunately By Adithya Chandra and Joao Marques · September 1, 2023 This blog was also written by Raghav Kapoor Executive Summary Emotet first appeared in 2014 and continues to be a dangerous and resilient malware, despite attempts by law enforcement...