The third wave of the Shai-Hulud supply chain worm, dubbed Miasma, targets the npm ecosystem by utilizing weaponized binding.gyp files to bypass lifecycle script monitoring. It establishes deep persistence within AI assistant and IDE configuration directories, evades detection through dormancy and EDR checks, and abuses valid Sigstore attestations to masquerade as legitimate packages.
RubyGems
4 posts
It’s In Your AI Assistant Now: Shai-Hulud Wave 3 and the Miasma Worm Targeting npm Shai-Hulud Descends to Hades: Miasma Worm Campaign Spreads with New PyPI Wave A coordinated supply chain attack compromised 19 PyPI packages, utilizing malicious .pth files to achieve execution at Python startup. The loader downloads the Bun runtime to execute an obfuscated JavaScript stealer targeting developer secrets, cloud credentials, and CI/CD tokens, exfiltrating data via GitHub repositories and Actions.
GemStuffer Campaign Abuses RubyGems as Exfiltration Channel Targeting UK Local Government The GemStuffer campaign leverages the RubyGems package registry as an unconventional data exfiltration channel. Threat actors deploy Ruby scripts that scrape UK local government portals, package the harvested data into valid .gem archives, and push them to RubyGems using hardcoded API keys. The malware demonstrates defense evasion by overriding the HOME environment variable to a /tmp directory to isolate its credential environment, or by bypassing the gem CLI entirely to perform direct API POST requests.
Malicious Ruby Gems and Go Modules Impersonate Developer Tools to Steal Secrets and Poison CI A software supply chain campaign attributed to the GitHub account 'BufferZoneCorp' published malicious Ruby gems and Go modules designed to steal developer secrets and compromise CI/CD environments. The packages impersonate legitimate developer tools to execute install-time and runtime payloads that harvest credentials, tamper with GitHub Actions workflows, manipulate Go dependency resolution, and establish SSH persistence.
