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Malicious package

atrixnpm

Malicious code in atrix (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-190764
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall atrix

What this malware does

The package atrix was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

This package was compromised by the Sha1-Hulud: The Second Coming NPM worm. The malicious payload steals tokens and credentials and publishes them to GitHub. The worm will propogate itself to NPM packages the user owns and establish persistence is a GitHub action. The package may also destroy the user's home directory.

Malicious versions

1 flagged
1.0.1

Indicators of compromise (SHA-256)

892133ca29450416a2608e73a523b5113e423356a6f8c0098602e7c5173b5121
c8da24292f4db1ed3effb33c2c59b8af736f288754619eb8904e12b77cab37dc
18a4abf73134516ec24b9691824306635181baef8bd43ac40d0859d9334c07e1
dc7becc3eff03647d9945579255c5386e079865318b46d0441e457de56458453

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for atrix (version 1.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging atrix across your stack and pipelines.

  2. If you installed it — respond

    atrix is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If atrix was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks atrix before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. atrix on npm has been identified as a malicious package (version 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-67rf-m6p8-54xh

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks atrix-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

atrix (npm) malicious package — MAL-2025-190764 | O3 Security