VYPR

pypi · Malicious package advisory

Malware

propeller-solver-core

GHSA-5rxq-73j8-cp5w

Malicious code in propeller-solver-core (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 133.3.7`

## Source: kam193 (a79fc2ce4f8dbef3a36ad1dcf36011f9d86435f347aa81ed601295d75e818b04)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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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: GENERIC-standard-pypi-install-pentest


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.


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

## Source: ossf-package-analysis (a60c45782766334b6a7985c2a3fc269d737651c1169d8139d1e13302eb10c5c5)
The OpenSSF Package Analysis project identified 'propeller-solver-core' @ 133.3.7 (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/propeller-solver-core/MAL-2025-47820.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/propeller-solver-core
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/propeller-solver-core/MAL-2025-47820.json
- https://github.com/advisories/GHSA-5rxq-73j8-cp5w

Compromised versions (1)

  • = 133.3.7

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