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Malicious package

oenaseaPyPI

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

MAL-2024-10050
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall oenasea

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)

5deeba760b858aa30456a4e926cdb8e7b5cc375844c2f4c85764042dded621b5
61cd316da681d5bf21ef1ed6f54fdd59847a56e77a1de56b9c729aa672f66252
984cb125e77ec44c2064b9b147f014bf467873af4d417580e7b23057fa01cd48
352f4e97f398fbf5d222c14efefc3898a20c7f8db54169fe324b17bcdbb04570

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 oenasea (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 oenasea across your stack and pipelines.

  2. If you installed it — respond

    oenasea 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 oenasea 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 oenasea 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. oenasea 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-2024-08589funcaptcha-ru

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

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

oenasea (PyPI) malicious package — MAL-2024-10050 | O3 Security