Intel Exchange

Browse public community intelligence reports, source analysis, and threat research.

Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

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.

avatar
Tim Peck@timpeck1 day ago

217 intel reports

Midnight Blizzard-linked actor GTG-20006 utilized AI-assisted code generation to modify PowerShell stagers and Go backdoors targeting government and defense organizations via device-code phishing.

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.

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.

Star Blizzard (suspected Russian state-linked) is conducting spearphishing campaigns against Moldovan and Ukrainian civil society using password-protected VHDX files and WebDAV-based persistence.

Threat actors are leveraging malicious ChatGPT Custom GPTs to social engineer victims into executing PowerShell-based ClickFix attacks that deliver sophisticated Remote Access Trojans.

Page 3 of 22