The Bug Report October 2022 Edition

The Bug Report — October 2022 Edition By Trellix · November 2, 2022 This story was written by Richard Johnson. Do ROP exploits count as jmp scares? Why am I here? Welcome back to the Bug Report: Spooky Edition, and we’ve got bugs crawling out of the walls! Of all the months we do this, we’ve foun...

Connected Healthcare: A Cybersecurity Battlefield We Must Win

Connected Healthcare: A Cybersecurity Battlefield We Must Win By Trellix · June 6, 2022 This blog was written by Charles McFarland We are commonly taught to prioritize the most critical, severe, or impactful tasks when trying to conquer a list of intimidating problems. Yet, how is this possible...

Trellix Global Defenders: Follina — Microsoft Office Zero-Day

Trellix Global Defenders: Follina — Microsoft Office Zero-Day CVE-2022-30190 By Taylor Mullins, Robin Noyce , Benjamin Marandel · June 3, 2022 Trellix is continuing to monitor the threat activity associated with the Microsoft Office Zero-Day vulnerability that has been dubbed “Follina.”...

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...

Clop Ransomware

ARCHIVED STORY Clop Ransomware Alexandre Mundo · AUG 01, 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 a...

Unveiling Sirius Backdoor: A Multistage Fileless Campaign Disguised as FedEx Invoices

Unveiling Sirius Backdoor: A Multistage Fileless Campaign Disguised as FedEx Invoices By Shashikala Piddannavar, Raymond Joseph Alfonso and Sagar Bade · October 26, 2026 Introduction During a recent priority customer escalation, our “Trellix” Threat Response Team investigated a suspicious alert...

APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure

APT28’s Stealthy Multi-Stage Campaign Leveraging CVE‑2026‑21509 and Cloud C2 Infrastructure By Pham Duy Phuc and Alex Lanstein · February 4, 2026 Updated February 9, 2026: This analysis has been updated to clarify malware naming conventions. Introduction Russian state-sponsored threat group APT28...

Amadey Exploiting Self-Hosted GitLab to Distribute StealC

Amadey Exploiting Self-Hosted GitLab to Distribute StealC By Rahul Sharma · December 18, 2025 Executive summary Amadey is a malware loader that has been active since 2018, primarily used to distribute second-stage payloads and infostealers. While Amadey has been previously known to distribute...

The Bug Report - October 2025 Edition

The Bug Report – October 2025 Edition By Jonathan Omakun · October 31, 2025 Why am I here? Welcome to October's cybersecurity horror show, where the tricks are malicious and the treats are... Well, there aren't any treats. Just vulnerabilities that would make even the most seasoned security...

The Bug Report - June 2025 Edition

The Bug Report - June 2025 Edition By Jonathan Omakun · July 1, 2025 Why am I here? Welcome to the June 2025 edition of The Bug Report from the Trellix Advanced Research Center, where the only thing hotter than your CPU fan is the vulnerability feed. As the temperature rises and the air condition...

The Bug Report - March 2025 Edition

The Bug Report - March 2025 Edition By Jonathan Omakun · April 3, 2025 Why am I here? Welcome to the March 2025 edition of The Bug Report—where the bracket-breaking isn’t just happening on the court. While US college basketball fans are busy filling out brackets and chasing Cinderella stories,...

Hacktivist Groups: The Shadowy Links to Nation-State Agendas

Hacktivist Groups: The Shadowy Links to Nation-State Agendas By Ernesto Fernández Provecho · December 16, 2024 Introduction Hacktivism, the intersection of hacking and activism, has emerged as a potent force in the digital age. It involves using technology to achieve social or political goals,...

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...

The Bug Report - August 2024 Edition

The Bug Report - August 2024 Edition By Jonathan Omakun · August 26, 2024 Why am I Here August isn’t just about heat waves and summer getaways for the Northern Hemisphere; it’s also when things get serious for students and cybersecurity pros. As organizations prep for the end of the fiscal year,...

Cactus Ransomware: New strain in the market

Cactus Ransomware: New strain in the market By Aishwarya Gentyal · July 11, 2024 Ransomware malware has been around for many years now and it continues to dominate the headlines. It's an attacker's top choice for cyber extortion and is one of the most active and profound threats facing...

The Bug Report - June 2024 Edition

The Bug Report - June 2024 Edition By Jonathan Omakun & Tobi Olawale · June 27, 2024 Why am I Here Welcome back to The Bug Report, the "so hot the server fans are sweating" edition! For those who are new to our monthly adventure, every month, our dedicated Advanced Research Center vulnerability...

DarkGate again but... Improved?

DarkGate again but... Improved? By Ernesto Fernández Provecho · June 3, 2024 Executive summary During 2023, DarkGate made a comeback with a version full of new features, becoming one of the most preferred Remote Access Trojans RATs by malicious actors. However, this momentum also required...

The Dark Side of Innovation: Cybercriminals and Their Adoption of GenAI

The Dark Side of Innovation: Cybercriminals and Their Adoption of GenAI By Jambul Tologonov and John Fokker · March 06, 2024 In the ever-evolving threat landscape, the Trellix Advanced Research Center has been at the forefront of understanding and combating the dual-edged sword of Generative...

Discord, I Want to Play a Game

Discord, I Want to Play a Game By Ernesto Fernández Provecho and David Pastor Sanz Threatray · October 16, 2023 Discord is the first choice for gamers when they want to chat with some friends while playing an online computer game. Moreover, it is also a major choice for users that simply want to...

Scattered Spider: The Modus Operandi

Scattered Spider: The Modus Operandi By Trellix · August 17, 2023 This story was also written by Phelix Oluoch Executive Summary Scattered Spider, also referred to as UNC3944, Scatter Swine, and Muddled Libra, is a financially motivated threat actor group that has been active since May 2022...

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...

CVE-2023-0286: The OpenSSL Who Cried “Severity: High

CVE-2023-0286: The OpenSSL Who Cried “Severity: High” By Mark Bereza · February 9, 2023 This story was also written by John Dunlap. Background It feels like just yesterday that OpenSSL was the subject of widespread scrutiny over two buffer overflow vulnerabilities rated Severity: High. Fortunatel...

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...

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...

Evolution of BazarCall Social Engineering Tactics

Evolution of BazarCall Social Engineering Tactics By Daksh Kapur · October 6, 2022 What is BazarCall? As nicely defined in this article by Microsoft: BazarCall campaigns forgo malicious links or attachments in email messages in favor of phone numbers that recipients are misled into calling. It’s ...

The Bug Report — September 2022 Edition

The Bug Report — September 2022 Edition By Trellix · October 5, 2022 This blog was written by Charles McFarland As long as it works.... Why am I here? Welcome back to the Bug Report, don’t-stub-your-toe edition! For those in the audience unfamiliar with how we do things here, every month we filte...

Ancient CVEs Can Cause You Problems

Ancient CVEs Can Cause You Problems By Kent Landfield · September 23, 2022 The Common Vulnerability and Exposures CVE Program was founded in 1999 for the purpose of giving individual cyber vulnerabilities an identifier that could be used as an interoperable means for identifying a specific...

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...

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...

A Door Isn’t a Door When It’s Ajar - Part 2

A Door Isn’t a Door When It’s Ajar - Part II By Trellix · August 18, 2022 This story was also written by Steve Povolny and Sam Quinn Contents Introduction Software Hacking Software Hacking Shopping List Vulnerabilities Discovered CVE-2022-31479: Command injection via the web interface Vulnerable...

Countering Follina Attack 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...

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...

Keeping A Critical Eye on IoT Devices

Keeping a Critical Eye on IoT Devices By Sam Quinn · April 21, 2022 Trellix Labs is excited to announce the beginning of a new video series which captures one of our senior vulnerability researchers work on hacking an IoT device from beginning to end. This will conclude with the releasing of a ne...

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...

The Bug Report - January 2022 Edition

The Bug Report - January 2022 By Trellix · February 2, 2022 This story was written by Kevin McGrath Your Cybersecurity Comic Relief Image courtesy of https://toggl.com/ Why am I here? Omicron is the 15th letter in the Greek alphabet, used by Donald Knuth to denote Big-O notation, represented zero...

Is There Really Such a Thing as a Low-Paid Ransomware Operator?

ARCHIVED STORY Is There Really Such a Thing as a Low-Paid Ransomware Operator? By Thibault Seret · October 18, 2021 Introduction Going by recent headlines you could be forgiven for thinking all ransomware operators are raking in millions of ill-gotten dollars each year from their nefarious...

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 ...

Understanding the Wormable RDP Vulnerability CVE-2019-0708

ARCHIVED STORY RDP Stands for "Really Do Patch!" - Understanding the Wormable RDP Vulnerability CVE-2019-0708 By Eoin Carroll · May 21, 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...

Critical SharePoint Vulnerabilities Under Active Exploitation

Critical SharePoint Vulnerabilities Under Active Exploitation By Jeffrey Sman, Mo Cashman and Marc Bolz Robinson · July 23, 2025 On-premises Microsoft SharePoint servers are currently facing high-impact, ongoing threat activity due to a set of critical vulnerabilities, notably CVE-2025-49704,...

The Bug Report - January 2025 Edition

The Bug Report - January 2025 Edition By Jonathan Omakun · January 30, 2025 Why am I here? Ah, January—the month of resolutions, regrets, and, apparently, really bad code. While you’re trying to get back to the gym or cut down on caffeine, attackers have been busy exploiting vulnerabilities faste...

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...

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...

Pouring Acid Rain

Pouring Acid Rain By Trellix · April 30, 2024 This blog was written by Max Kersten In two recent major geopolitical conflicts, in Ukraine and in Israel, wipers - malware used to destroy access to files and commonly used to halt telecom operations - were used to destroy digital infrastructure. The...

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups By Jambul Tologonov and John Fokker · April 11, 2024 The Trellix Advanced Research Center has recently observed an uptick of LockBit-related cyber activity surrounding vulnerabilities in ScreenConnect...

Akira Ransomware

Akira Ransomware By Trellix · November 29, 2023 This blog was also written by Alexandre Mundo and Max Kersten First discovered in early 2023, Akira ransomware seemed to be just another ransomware family that entered the market. Its continued activity and numerous victims are our main motivators t...

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability

CVE-2023-38831: Navigating the Threat Landscape of the Latest Security Vulnerability By Trellix · November 9, 2023 This blog was written by Neeraj Kumar Singh Executive Summary In August 2023, WinRAR released a security patch to address a remote code execution vulnerability in WinRAR's ZIP archiv...

Trellix 2024 Threat Predictions

Trellix 2024 Threat Predictions By Trellix · October 30, 2023 Introduction This last year we have seen upheaval across the cybersecurity landscape. The need for effective, worldwide threat intelligence continues to grow as geopolitical and economic developments create an increasingly complicated...

The Bug Report – August 2023 Edition

The Bug Report – August 2023 Edition By Trellix · September 6, 2023 This blog was written by Charles McFarland Why am I here? Welcome back to The Bug Report, the hotter-than-hell Texas edition! For those still unfamiliar with our monthly escapades, every month our trusty Advanced Research Center...

Exploring New Techniques of Fake Browser Updates Leading to NetSupport RAT

Exploring New Techniques of Fake Browser Updates Leading to NetSupport RAT By Jonell Baltazar · August 10, 2023 This blog was also written by Antonio Ribeiro Trellix detected an ongoing campaign using fake Chrome browser updates to lure victims to install a remote administration software tool...