Blogs

Aug 14, 2025

A Comprehensive Analysis of HijackLoader and its Infection Chain

HijackLoader, a stealthy loader which delivers a wide variety of payloads, has been found to be spreading using fake download links on various piracy websites as well as SEO poisoning using legitimate websites. In some cases, the malicious domains were not blocked by popular ad-blockers for an extended amount of time leaving end users who rely on ad-blockers to keep them safe from fake downloads 100% of the time vulnerable. This writeup gives a thorough analysis of the malware.

Aug 12, 2025

Exposing PathWiper: DCOM Abuse and Network Erasure

This blog explores how attackers used Distributed Component Object Model (DCOM) as a lateral movement technique to distribute PathWiper, and how Trellix Network Detection and Response (NDR) detects and visualizes such activities. The insights provided here are especially relevant for SOC analysts and cybersecurity professionals who aim to understand and defend against similar threats.

Aug 06, 2025

The Bug Report - July 2025 Edition

Beat the heat and the hackers! Our July 2025 Bug Report details unauthenticated RCEs & critical flaws in SharePoint, Git, FTP, and FortiWeb. Patch immediately!

Aug 05, 2025

Gang Wars: Breaking Trust Among Cyber Criminals

Over the past few years, the Ransomware-as-a-Service (RaaS) model rose to dominance, structured like criminal empires, complete with brands, affiliate programs, and professional operations. What once looked like organized crime, now more closely resembles a paranoid, fractured ecosystem where loyalty is temporary and betrayal is expected. Today, we’re watching the RaaS model unravel.

Jul 28, 2025

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

A new info-stealer, 0bj3ctivityStealer, is spreading via phishing emails. It uses steganography and PowerShell to evade defenses and steal data.

Jul 23, 2025

Critical SharePoint Vulnerabilities Under Active Exploitation

On-premises Microsoft SharePoint servers are currently facing high-impact, ongoing threat activity due to a set of critical vulnerabilities, notably CVE-2025-49704, CVE-2025-49706, CVE-2025-53770, and CVE-2025-53771.

Jul 21, 2025

Dark Web Roast - June 2025 Edition

At Trellix, we think it's important we don’t make cybercriminals seem larger than life or hero-worship them. This roast is about showing the human side of cybercrime and how they mess up, just like anyone else.

Jul 17, 2025

Detecting and Visualizing Lateral Movement Attacks with Trellix Helix Connect

This blog marks the third installment in our series on detecting and visualizing lateral movement attacks with Trellix Helix Connect.

Jul 15, 2025

Threat Analysis: SquidLoader - Still Swimming Under the Radar

A new wave of SquidLoader malware samples are actively targeting financial services institutions in Hong Kong. This sophisticated malware exhibits significant evasion capabilities, achieving near-zero detection rates on VirusTotal at the time of analysis.

Jul 08, 2025

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

The DoNot APT group, also identified by various security vendors as APT-C-35, Mint Tempest, Origami Elephant, SECTOR02, and Viceroy Tiger, has been active since at least 2016, and has been attributed by several vendors to have links to India.