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Malicious package

requesraPyPI

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

MAL-2025-1991
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall requesra

What this malware does

Clone of the requests package that modified the code to send all get and post requests to a hardcoded URL

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

Campaign: 2025-01-rqsts

Reasons (based on the campaign):

  • clones-real-package

  • dependency-confusion

  • action-hidden-in-lib-usage

Malicious versions

1 flagged
2.28.1

Indicators of compromise (SHA-256)

043d9ce2e45f8664489ff09e45cc8da71167e8c8afd701d349cb62f0a56d5a1f
cae844115e69e37d56e1c68eded05d0dfad6b2a584f999ef7e79fc1e4c86ce49
42ce5266dc952340618c995bfe692bd0f801b7b3d098188739aa66038074122e
5020d0764d9327f6e9bc3a07d2c336edfc877455c3f7b3f0ea7cfd9f29742ff9
9ffafa26590e662a696d1b8cff78902addb6f20a38f7a916815fc43189622aee

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 requesra (version 2.28.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging requesra across your stack and pipelines.

  2. If you installed it — respond

    requesra 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 requesra 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 requesra 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. requesra on PyPI has been identified as a malicious package (version 2.28.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-012342025-01-rqstsRLUA-2026-00702

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

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

requesra (PyPI) malicious package — MAL-2025-1991 | O3 Security