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The OpenSourceMalware Show #24
opensourcemalware.comtalk

The OpenSourceMalware Show #24

Weekly OpenSourceMalware podcast episode discussing three fresh supply-chain attacks: the Tensorlake AI-agent SDK compromised via a preinstall-triggered Mini Shai-Hulud-derived worm (setup.mjs + math_symbol.js, run via Bun) that steals credentials; a Contagious Interview-style attack where a cloned GitHub repo drops a malicious .npmrc pointing npm install at a Chinese mirror (npmmirror.com) to resolve a hidden package; and 42 malicious RubyGems published by "Ghost Dev" that typosquat/brandjack crypto tooling, sleep 20–40 minutes via extconf.rb to evade detection, then either open a reverse shell or deploy a Python-based "Wallet Guard" crypto-theft kit targeting TronLink, MetaMask, Phantom, Binance, Coinbase, Trust Wallet, Exodus, and Electrum. The hosts also discuss multi-package "combined payload" evasion and how AI-driven slopsquatting is making cross-ecosystem typosquats more effective.

TL;DR Podcast breakdown of a Tensorlake npm worm, a fake-interview .npmrc dependency-confusion trick, and 42 crypto-stealing RubyGems from "Ghost Dev."

Organisations named here

  • npmmirror.com
  • slopsquatting
  • Wallet Guard

Technologies named here

  • Tensorlake SDK
  • OpenSourceMalware automated detection
  • keyv
  • npm/GitHub registry scanning
  • cachable
  • Aikido
  • 42 malicious RubyGems gems
  • Software supply chain firewall scanners
  • YARA
  • npm
  • RubyGems
  • Bun
  • Ruby
  • Python
  • cacheable
  • Bitget
  • TronLink
  • MetaMask
  • Phantom
  • Binance
  • Coinbase
  • Trust Wallet
  • Exodus
  • Electrum

Techniques named here

  • Preinstall hook payload execution
  • Credential stealing and self-propagation
  • Rogue .npmrc registry redirection
  • Multi-package combined/split payload
  • Native extension build script with delayed execution
  • Reverse shell
  • Fake security tool / trojanized utility
  • Clipboard hijacking
  • Wallet and secret harvesting
  • Cross-language staged payloads
  • Typosquatting and brandjacking
  • Slopsquatting

Threat actors named here

  • Mini Shai-Hulud
  • Ghost Dev
  • Contagious Interview
  • DPRK
  • GemStuffer