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Malicious package

argon-nodenpm

Malicious code in argon-node (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-2334
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall argon-node

What this malware does

The package argon-node was found to contain malicious code.

Malicious versions

1 flagged
3.5.7

Indicators of compromise (SHA-256)

5686d1d939aab5467c279b9bc3b8d5094b946d854364d19b3c1780ebcd7fc67d
e3639b8833add6b5673b5f647479520157a22229369754ef98675e97a4a56385

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for argon-node (version 3.5.7). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging argon-node across your stack and pipelines.

  2. If you installed it — respond

    Remove argon-node from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If argon-node 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 argon-node 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. argon-node on npm has been identified as a malicious package (version 3.5.7 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01711

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks argon-node-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

argon-node (npm) malicious package — MAL-2026-2334 | O3 Security