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.
7 intel reports
The MALFEX threat actor is using malicious npm packages like 'imgdecode' to deliver a native Windows DLL loader that injects shellcode and a remote access tool into developer workstations.
Sauron Loader is a novel Russian-language Malware-as-a-Service that utilizes social engineering, DLL side-loading, and in-memory decryption to deliver multi-stage payloads.
An unsigned GlobalProtect-themed MSI deploys a backdoor that utilizes Cloudflare Workers for configuration and Google Sheets for C2 communication, specifically targeting victims in Myanmar.
Russian-linked DOUBLECUP Loader-as-a-Service facilitates ClickFix campaigns delivering CountLoader and a new blockchain-resolving RAT named DeviceManager.
A state-sponsored threat group and Gunra ransomware actors exploited vulnerabilities in South Korean financial security software like AnySign4PC to deploy SIGNBT and COPPERHEDGE backdoors via watering holes.
Turla (Secret Blizzard) targets government and military entities globally using the custom STOCKSTAY and Kazuar backdoors, often leveraging hijacked infrastructure.
The ChocoPoC threat actor is targeting security researchers with trojanized GitHub PoC repositories that install malicious PyPI packages to deliver a Python-based RAT.