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Malicious package

testresearchpackagedcPyPI

Advisory published Updated

testresearchpackagedc is a confirmed malicious PyPI package (MAL-2025-1512) that steals credentials and exfiltrates sensitive data (malicious versions 0.1.0, 0.1.2, 0.1.3…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in testresearchpackagedc (PyPI)

MAL-2025-1512
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall testresearchpackagedc

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.

The OpenSSF Package Analysis project identified 'testresearchpackagedc' @ 0.1.6 (pypi) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

6 flagged
0.1.00.1.20.1.30.1.40.1.50.1.6

Indicators of compromise (SHA-256)

cb6e63a51de79ba3f21f381f82a4f17b1b9627c51173ea1ee6482929813b0511
93f70e79a91cdc433890cbb2af2356854c11d23ae7255e7d2e5abdfbc8b45fbc
b9a3d67880a7182900acdd5dafdb79bff126438c5538693dbd27c0c0848b2fb3
222c9aab133960ef3a9bc2b06322e8631c93e736b5983572730387ffc09ceae2
c5c4116e65563422a5bfc464d57acdfb88b55d91e4024fcd766b6d82ad0e090d

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for testresearchpackagedc (6 malicious versions).

  2. If you installed it — respond

    testresearchpackagedc 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 testresearchpackagedc 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. testresearchpackagedc on PyPI has been identified as a malicious package (versions 0.1.0, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GENERIC-standard-pypi-install-pentest

References

Credits

  • Kamil Mańkowski (kam193)
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks testresearchpackagedc-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

testresearchpackagedc (PyPI) malicious package — MAL-2025-1512 | O3 Security