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Malicious package

requestpackatPyPI

Advisory published Updated

requestpackat is a confirmed malicious PyPI package (MAL-2025-5127) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.1, 1.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in requestpackat (PyPI)

MAL-2025-5127
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall requestpackat

What this malware does

Code download and runs an executable, which is widely recognized as malware. The system is also configured to run it on startup, and the file is saved in paths attempting to look as a system file.

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

Campaign: 2025-05-requestpackat

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • malware

  • peristence-autorun

Malicious versions

2 flagged
1.0.11.0.2

Indicators of compromise (SHA-256)

bd9fa31de2e6585f8ff120c4dc6ec856376f193db6aaafc59c77c2ebdaae7af3
8ec797580e984c82836fdf3d52adc8441744a46da5d0f602f189a96fba6a9c1f
b70e437edd04a30f48e384a4a07cdb1790dcb5e6a66ba800dc1703bf845a6b36
ee2729f4331f0e1f42f440b377e789ff4b1afcdc427986769e6fcdfad25167ce
f70b8dd5337e5eac2517248cbc9fe4266de761329e07af3c8597d85a98b42b41

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for requestpackat (2 malicious versions).

  2. If you installed it — respond

    requestpackat 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 requestpackat 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. requestpackat on PyPI has been identified as a malicious package (versions 1.0.1, 1.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-030242025-05-requestpackatRLUA-2026-00704

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks requestpackat-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

requestpackat (PyPI) malicious package — MAL-2025-5127 | O3 Security