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OpenAdvisories
Malicious MAL-2025-191622

donotinstall

PyPI package · versions 1, 1.0

Reported Oct 26, 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 (a0c56680f6f4db81ec1ad0691253d592055a3581b00e9c93e3dfd6d448b63212)
Package contains obfuscated reverse shell. However, it connects with a local IP only, thus it's much more a test than a malicious action

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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-donotinstall

Reasons (based on the campaign):

- The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

- obfuscation