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Malicious package

requests-rapidlPyPI

Advisory published Updated

requests-rapidl is a confirmed malicious PyPI package (MAL-2025-3466) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.0, 1.1.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in requests-rapidl (PyPI)

MAL-2025-3466
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall requests-rapidl

What this malware does

Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: GENERIC-standard-pypi-install-pentest

Reasons (based on the campaign):

  • The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.

  • The package overrides the install command in setup.py to execute malicious code during installation.

Malicious versions

2 flagged
1.0.01.1.0

Indicators of compromise (SHA-256)

2e0222d48da443ff6c22009b35fe7992880e2736782d6ec68e7f5662087b2523
d99687bab632f4dd0763e3120b8f554f75aaa1b2c0ee6c8ab84d2955fabe7f01
35c977fbec44078bd039ff3e56a6ce7bff1261407148a09da0451b2f35f5b3e4
63bc7f7483fbc247b5f466b3e50682365ed1c000e91e953f927917a995bff6fa
2d68ccc88ab50eeb94caee47091216f6d20ca32b520fcc3b282c7dd08606e123

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for requests-rapidl (2 malicious versions).

  2. If you installed it — respond

    requests-rapidl 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 requests-rapidl 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. requests-rapidl on PyPI has been identified as a malicious package (versions 1.0.0, 1.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-02530GENERIC-standard-pypi-install-pentestRLUA-2026-00707

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks requests-rapidl-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

requests-rapidl (PyPI) malicious package — MAL-2025-3466 | O3 Security