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.

Browse public community intelligence reports, source analysis, and threat research.
32 intel reports
The threat actor k0t (aka CryptoFeel) is mass-exploiting edge appliances via CVE-2025-64446 and CVE-2026-0257 to steal credentials and facilitate ransomware attacks.
Qilin (aka Agenda) is a high-volume Russian-speaking RaaS operation targeting global manufacturing and healthcare sectors through credential abuse and advanced EDR evasion.
Akira ransomware targets global organizations across Windows and Linux platforms using double extortion, vulnerability exploitation, and credential theft.
Akira ransomware affiliates utilize RDP for initial access, ProcDump for credential theft, and GOST tunnels for persistence before deploying Rclone for exfiltration and encrypting data.
Ransomware groups including CHAOS, Medusa, and Gunra are increasingly targeting radiology departments and healthcare providers using double-extortion and extortion-only tactics.
The Go-based ClosedQuorum malware utilizes multiple commercial AI models to autonomously select post-compromise actions, including credential dumping and process injection, without human operator intervention.
Storm-2570 is a versatile ransomware affiliate utilizing consistent post-compromise tools like MeshAgent, ntdsutil, and s5cmd to deploy multiple ransomware families including Qilin and DragonForce.
Adversaries like SideCopy leverage tools such as Metasploit and Impacket to dump Active Directory's NTDS.dit and SYSTEM hives for full domain credential compromise.
INC Ransomware threat actors utilize Bring Your Own Vulnerable Driver (BYOVD) tactics and dual ransom notes to pressure victims after exfiltrating data via tools like MEGASync.
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.