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Malicious package

rapyd-loggerPyPI

Malicious code in rapyd-logger (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2025-5125
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall rapyd-logger

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

1 flagged
1.4.0

Indicators of compromise (SHA-256)

7d638f54eedb4bc8e3a415d419f9a79eddba2c71ce3ae7e3a9cf7726d19a8eab
6a6832fcb95d2628628912dc3bda43dbac4743354830e66006f48e18f772cd61
aede90914832dcbbcef8387f409b8b95349a15e7846fe789f70e90b6663fb8b9
8aa23eba2b20f0b01298f271964facf7458f8e03aba7137dc37ec5c3e67c0f12
689fa1c504e8513d2c177487c25ab2b065367e796da6ee84da5da6bcf819cb86

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 rapyd-logger (version 1.4.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging rapyd-logger across your stack and pipelines.

  2. If you installed it — respond

    rapyd-logger 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 rapyd-logger 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 rapyd-logger 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. rapyd-logger on PyPI has been identified as a malicious package (version 1.4.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-03022GENERIC-standard-pypi-install-pentestRLUA-2026-00686

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

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

rapyd-logger (PyPI) malicious package — MAL-2025-5125 | O3 Security