malinssx

GHSA-756r-22vr-6c8c

Malicious code in malinssx (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (ec1d3e0940a3c37917b528689547d3728f9f3d0b9e408acc7dcc67435c09d2b0)
The only goal of the package is to execute a webhook or a suspicious file during installation.

Closely related to 2025-07-0x9xnx - created after previous packages were quarantined, similar names, similar usage, but no clearly malicious parts.


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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: 2025-07-malimalo


Reasons (based on the campaign):


 - The package overrides the install command in setup.py to execute malicious code during installation.

## Source: ossf-package-analysis (3d92abafc09cf0f7dc822d1020b48ae9cef15a8844d75ec034e30a49af7de3f4)
The OpenSSF Package Analysis project identified 'malinssx' @ 0.0.1 (pypi) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/malinssx/MAL-2025-5656.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/malinssx
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/malinssx/MAL-2025-5656.json
- https://github.com/advisories/GHSA-756r-22vr-6c8c

Compromised versions (1)

= 0.0.1

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