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OpenAdvisories
Malicious MAL-2025-191620

benign-lib

PyPI package · versions 1.0.0

Reported Oct 25, 2025 · Updated Mar 19, 2026

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 (09477b048d84611002417894ccb3265d246be0156b096a8b47776960d45e9d3d)
Package hides an executable inside, and starts it when imported. The sandbox analysis shows only starting a calculator, which suggests it's a research attempt without a big harm.

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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: 2025-10-benign-lib

Reasons (based on the campaign):

- malware

- obfuscation