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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86 intel reports
A likely Iran-nexus activity cluster is deploying BLUERABBIT, a Golang-based backdoor that utilizes RabbitMQ, Redis, and MinIO for C2 and exfiltration prior to disk wiping and ransomware deployment.
The Vile Collective utilizes a Go-based ransomware that employs double extortion, HPKE-v1 encryption, and extensive anti-analysis techniques to target a wide range of global sectors.
BQTLock ransomware utilizes a multi-stage PyInstaller-packed architecture, leveraging Remcos RAT for initial access and Discord/Telegram for covert command-and-control.
The Sauron ransomware operation utilizes a multi-stage toolkit, including Telegram Bot API for data exfiltration and professional-grade system profiling for double extortion.
Liushen is a Python-based ransomware framework that utilizes process hollowing, MBR modification, and extensive anti-analysis techniques to encrypt victim data and inhibit recovery.
Pay2Key operators utilize a multi-stage execution chain involving polyglot scripts, DLL search order hijacking of Avast software, and destruction of system recovery options to deploy ransomware.
The GreenBlood ransomware group utilizes a Go-based malware featuring military-grade encryption and double extortion tactics to target global organizations.
The TeamPCP threat group is conducting a large-scale supply chain campaign using the 'Mini Shai-Hulud' worm to compromise npm packages, steal CI/CD and cloud credentials, and autonomously propagate.
The IRGC-affiliated Cyber Isnaad Front (ASA) is conducting destructive wiper and OT sabotage operations against Israeli critical infrastructure sectors.
UNC5142 utilizes EtherRAT and the AI-generated TukTuk framework to conduct data exfiltration and deploy The Gentlemen ransomware via decentralized and SaaS infrastructure.