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Part of a larger attack: 2025-08-k7eel published 31 malicious packages. See the full campaign →
Malicious package

fucknukeerPyPI

Advisory published Updated

fucknukeer is a confirmed malicious PyPI package (MAL-2025-47767) that steals credentials and exfiltrates sensitive data (malicious version 0.1.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in fucknukeer (PyPI)

MAL-2025-47767
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall fucknukeer

What this malware does

Importing the module downloads and executes widely recognized malware

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-08-k7eel

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • malware

Malicious versions

1 flagged
0.1.3

Indicators of compromise (SHA-256)

25d7222821e618a5b5fa3449495c4a362bc362b4751cc9631095b61c06b7f116
b596fd0775d468a0ec07984c4fcaa75dbbf55c4bc5b4fd8672db69907de0ca59
ba298ecb23601a4d9ddb1c2123c99ed19ff6a44c82225c5627a97033225feabb
c944fb566f557558a85de9c3cedffbf45ba9290526956abb4aa88265813b3553

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for fucknukeer (version 0.1.3).

  2. If you installed it — respond

    fucknukeer 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 fucknukeer was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. fucknukeer on PyPI has been identified as a malicious package (version 0.1.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-047682025-08-k7eelRLUA-2026-00336

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

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

Explore

fucknukeer (PyPI) malicious package — MAL-2025-47767 | O3 Security