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.
21 intel reports
Russia-aligned threat actor UAC-0099 has evolved its custom MATCHBOIL downloader with enhanced obfuscation, sandbox evasion, and timer-based payload delivery targeting Ukrainian sectors.
Earth Sirrush (UAC-0099) utilizes evolving .NET malware, steganographic delivery, and trojanized applications to target Ukrainian government and logistics sectors for long-term espionage.
Lazarus Group is distributing Graphalgo malware via malicious Terraform providers and Go modules to target infrastructure developers and cryptocurrency assets.
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 ongoing malicious npm campaign involving 'indexed-btree' and other packages bypasses lifecycle script defenses by burying loaders in runtime prototype methods and using Ethereum smart contracts for C2.
KATARU is a newly observed IoT malware family that utilizes Linux local privilege escalation exploits and encrypted C2 to conduct DDoS attacks.
ChainDrop, a descendant of the Shai-Hulud malware family, is a self-propagating npm worm targeting developer workstations and CI/CD pipelines to harvest cloud, registry, and AI tool credentials.
A cluster of trojanized npm packages delivers the RedShell Linux implant, which features an AI-driven post-exploitation layer called Red Agent.
A sophisticated multi-stage campaign uses HijackLoader to deploy Vidar infostealers and the SnappyClient RAT via DLL side-loading and process hollowing.
HOLLOWGRAPH is a .NET NativeAOT Windows backdoor that utilizes compromised Microsoft 365 calendar events for covert command-and-control and exfiltration.