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OpenAdvisories
Malicious MAL-2025-191935

win32str

PyPI package · versions 0.0.1, 0.0.3

Reported Jun 10, 2025 · Updated Dec 12, 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 (afe91149c788d349c6c0d31487fb417ce5fabc059b447dc4289b1e74f2cd161c)
Research packages targeting typosquatting and dependency confusions, without really harmful behaviour - just calling home through DNS resolver.

Related to 2025-06-stubsout (using the same remote domain), but without dangerous activity

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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: 2025-06-diar-ai-basic

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.

- typosquatting

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

Domains