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.

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281 intel reports
SilverFox APT is targeting users with fake Microsoft Teams download sites to deliver ValleyRAT through a multi-stage DLL sideloading chain and in-memory execution.
The TAX#TRIDENT campaign utilizes fake Indian income tax assessment lures to deliver YTSCRat or unauthorized ManageEngine UEMS agents through various VBScript and ZIP-based infection paths.
SHADOW-WATER-063 uses the polymorphic Banana RAT banking trojan to target Brazilian financial institutions via fileless execution and social engineering.
Fox Tempest operates a malware-signing-as-a-service (MSaaS) operation that abuses Microsoft Artifact Signing to help ransomware affiliates and malware operators evade security controls.
CountLoader uses multi-stage PowerShell and JavaScript execution via mshta.exe to deploy a cryptocurrency clipper that redirects transactions by hijacking clipboard data.
Threat actor SheldIO is deploying Amatera Stealer 4.0.2 via the EVALUSION campaign, featuring advanced evasion techniques and significantly expanded targeting for cryptocurrency wallets and messaging apps.
The KongTuke group is leveraging Microsoft Teams social engineering to deploy ModeloRAT, escalate privileges via CVE-2023-36036, and harvest domain credentials using fake Windows lock screens.
Kimsuky (APT43) is utilizing updated PebbleDash and AppleSeed malware variants, alongside legitimate tools like VSCode and DWAgent, to target South Korean defense and government entities.
The KongTuke threat actor is impersonating help-desk staff via external Microsoft Teams chats to deploy the multi-path ModeloRAT toolkit for persistent access.
Seedworm (MuddyWater) conducted a global espionage campaign in early 2026 using Node.js loaders and DLL sideloading to target manufacturing, government, and financial sectors.