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Malicious package

cmdb-worker-pckgPyPI

Advisory published Updated

cmdb-worker-pckg is a confirmed malicious PyPI package (MAL-2024-11558) that steals credentials and exfiltrates sensitive data (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in cmdb-worker-pckg (PyPI)

MAL-2024-11558
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall cmdb-worker-pckg

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
1.0.0

Indicators of compromise (SHA-256)

d6596e2e483346b2c37f6bad8bdff61246aebb707abdda9be956be3334eb4a0a
606eb49d8f0889717b3c8ce4fa352a5f34ac8680278c91f597609e9f36252030
f0039cc4672b957b253c70bf7a3d084574f8a10d21d6bc42d0fac2f2a3fd8400
41c882a10710614664c27f31919cfc5810e068a612c5ee3517bdf65e56e3d521
e5ca02c4e17773efd7032fd4ff360c7c82daa0c4d4f43547ab9560cf2e066846

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for cmdb-worker-pckg (version 1.0.0).

  2. If you installed it — respond

    cmdb-worker-pckg 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 cmdb-worker-pckg 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. cmdb-worker-pckg 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-2024-11005GENERIC-standard-pypi-install-pentestRLUA-2026-00199

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks cmdb-worker-pckg-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

cmdb-worker-pckg (PyPI) malicious package — MAL-2024-11558 | O3 Security