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Malicious package

ferminet-with-ecpPyPI

Malicious code in ferminet-with-ecp (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2024-11594
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall ferminet-with-ecp

What this malware does

A campaign of probably pentest packages flooding PYPI. Installing the package or importing the module triggers reporting basic info like hostname, path and the username to the package author. There is no other purpose of the package.

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: 2024-11-byted-dast

Reasons (based on the campaign):

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

  • typosquatting

  • dependency-confusion

Malicious versions

1 flagged
94.6

Indicators of compromise (SHA-256)

28a014f47962bbde1298c16afcb96576de20b1938f241226b915eb544c922fc1
fafbef969ae7d406279585afe7b2c345139985c6a994657e84970f098b503bca
ee00c3ebd9a9dd393b6184c63072d81baa2ae968a831319453996dcf03d47999
fabff0f1dc57aa653b33edead7105fbc968d132f9a921b21e2dd8c055560be91
f1826b03f1794efeddfceefa6e39ea828f8af147bb1c1b8f402fd732135e7d85

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 ferminet-with-ecp (version 94.6). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging ferminet-with-ecp across your stack and pipelines.

  2. If you installed it — respond

    ferminet-with-ecp 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 ferminet-with-ecp 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 ferminet-with-ecp 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. ferminet-with-ecp on PyPI has been identified as a malicious package (version 94.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-110452024-11-byted-dastRLUA-2026-00320

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

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

ferminet-with-ecp (PyPI) malicious package — MAL-2024-11594 | O3 Security