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OpenAdvisories
Malicious MAL-2025-41435

initialtestingdonotpull1235

PyPI package · versions 3.0.1

Reported Aug 23, 2025 · Updated Dec 3, 2025

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (638020a87c6e1aaf4b8542a5b20723a6ed900b986bfd407c8bf55aad3016933f)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

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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.

Source: ossf-package-analysis (a9622e8d5bdc036e8502ca1158478c805862e882dc7a27f493b01dff9ae76115)
The OpenSSF Package Analysis project identified 'initialtestingdonotpull1235' @ 3.0.1 (pypi) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.