Intel Exchange

Browse public community intelligence reports, source analysis, and threat research.

Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

avatar
Tim Peck@timpeck1 day ago

275 intel reports

UAC-0226 is utilizing WinRAR path traversal (CVE-2025-8088) with NTFS Alternate Data Streams to deploy the GIFTEDCROOK stealer via a multi-stage PowerShell and reflective loading chain.

State-sponsored and cybercriminal actors are utilizing ClickFix Payload-as-a-Service (CPaaS) to deliver dynamically obfuscated malware via fake CAPTCHA social engineering and stealthy clipboard injection.

The Russia-aligned Gamaredon group significantly updated its arsenal in 2025, deploying six new PowerShell tools and leveraging legitimate cloud services and tunnels to target Ukrainian military and government institutions.

Rapid Brigantine and other cybercrime clusters are utilizing ClickFix social engineering to deploy modular loaders and backdoors including Potemkin, RMMProject, BabaDeda, and Lorem Ipsum.

The HellCat ransomware group is increasingly exploiting Jira credentials harvested by infostealers like StealC and Amadey to facilitate corporate breaches and data exfiltration.

The Shai-Hulud worm and GitRunner C2 framework abuse legitimate, digitally signed GitLab CI runner binaries as persistent backdoors to execute commands via CI/CD pipelines.

Page 18 of 28