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Malicious package

fdir1npm

Malicious code in fdir1 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-192353
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall fdir1

What this malware does

The package fdir1 was found to contain malicious code.

The OpenSSF Package Analysis project identified 'fdir1' @ 99.99.2 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

  • The package executes one or more commands associated with malicious behavior.

Malicious versions

1 flagged
99.99.2

Indicators of compromise (SHA-256)

8f5aefdb4168145eaa4b092c9e5f4fbd482f9fbd1fc0328b3272f3e2067731e8
7ba081e2ca3fffe519e73fc13330df7332fbaf118aa8f6c193b43e9b2ce8a5ce

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 fdir1 (version 99.99.2). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging fdir1 across your stack and pipelines.

  2. If you installed it — respond

    Remove fdir1 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 fdir1 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 fdir1 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. fdir1 on npm has been identified as a malicious package (version 99.99.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks fdir1-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.

fdir1 (npm) malicious package — MAL-2025-192353 | O3 Security