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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.

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Tim Peck@timpeck2 days ago

247 intel reports

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.

The Cl0p extortion operation has pivoted from traditional encryption-based ransomware to large-scale data theft via the exploitation of internet-facing Managed File Transfer (MFT) and enterprise software.

An unidentified threat actor targeted popular npm repositories including zod and standard-schema with a malicious install-time loader that fetches payloads via Ethereum smart contracts.

The PoeLLM malware campaign targets exposed AI/LLM services like LiteLLM and Ollama for cryptomining and lateral scanning using a novel GitHub-based steganographic C2 mechanism.

Adversaries are deploying modular Linux implants including BPFDoor, Rekoobe, and the new AVERAT RAT against telecom edge appliances, utilizing SMTP-disguised C2 and BPF packet filtering to evade detection.

Russian state actor Star Blizzard is conducting large-scale phishing campaigns against Ukraine-aligned organizations using a novel malware delivery technique called RedFlick to deploy the CosmicPulse backdoor.

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