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@timpeck11 days ago

44 intel reports

Russian-speaking threat actors are exploiting a heap-based buffer overflow (CVE-2025-25249) in FortiGate devices to deploy PivotC2, an AI-assisted Node.js RAT for network tunneling and credential theft.

DPRK-linked actors (Kimsuky, APT37, Lazarus) are using the Ted backdoor and CurlRAT framework to target South Korean media and automotive sectors for long-term espionage and watering-hole attacks.

Gamaredon, a Russian FSB-operated group, uses a multi-stage modular framework (GammaPhish, GammaLoad, GammaWorm, GammaSteel) to maintain persistent access and exfiltrate sensitive documents from Ukrainian government and critical infrastructure.

The suspected APT29 group (Cloaked Ursa) launched the Spring Ring campaign targeting over 150 employees with Microsoft Teams-based voice phishing to deploy RMM tools and custom PowerShell RATs.

A suspected China-nexus actor, designated SilkParasite, utilizes a modular ecosystem of seven RAT families to target government economic bodies in Central Asia via DLL sideloading and Google Drive-backed C2.

Page 3 of 5