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Malicious package

faaladorcliPyPI

Malicious code in faaladorcli (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2026-1351
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall faaladorcli

What this malware does

During installation or import, the package exfiltrates basic information in a dependency confusion attempt. The user identifies themselves as a HackerOne user abusing the PyPI for the purpose of a bug bounty program.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: GENERIC-hackerone-bugbounty

Reasons (based on the campaign):

  • dependency-confusion

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

Malicious versions

1 flagged
99.0.1

Indicators of compromise (SHA-256)

b0c3b79e20d5c0305695699a443c35baf74deda90bad7263cd0b3f9bd3613572
d39e91bc295c0589118024547e579f578e941120b7a50b5631635c8b9cc1f591

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 faaladorcli (version 99.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging faaladorcli across your stack and pipelines.

  2. If you installed it — respond

    faaladorcli 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 faaladorcli 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 faaladorcli 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. faaladorcli on PyPI has been identified as a malicious package (version 99.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GENERIC-hackerone-bugbounty

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

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

faaladorcli (PyPI) malicious package — MAL-2026-1351 | O3 Security