donotinstall

GHSA-x8cx-vq72-3447

Malicious code in donotinstall (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1`

## 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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/donotinstall/MAL-2025-191622.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/donotinstall
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/donotinstall/MAL-2025-191622.json
- https://github.com/advisories/GHSA-x8cx-vq72-3447

Compromised versions (1)

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.