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Malicious package

bussardweg4aPyPI

Malicious code in bussardweg4a (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2024-9954
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall bussardweg4a

What this malware does

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

Campaign: funcaptcha-ru

Reasons (based on the campaign):

  • infostealer

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

ec6858d90c664299efc8d3b4bf0b75137eebee478cb5597171906ace9e5ee237
f4ec21083469692dc379e33aa302b872550afcd25b8bd6f6be7e3b5a4c437328
0ab49c266fac67fb0de5ccad791dc60a8af7a20d46b6ac146569018b94345f11
22c092fc2a0aee250b7afa995d5a7558a81cd8f08601e5716d4ee15fa23370be

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 bussardweg4a (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging bussardweg4a across your stack and pipelines.

  2. If you installed it — respond

    bussardweg4a 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 bussardweg4a 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 bussardweg4a 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. bussardweg4a on PyPI has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-07906funcaptcha-ru

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks bussardweg4a-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

bussardweg4a (PyPI) malicious package — MAL-2024-9954 | O3 Security