malicus

GHSA-xjpr-9xpx-cfxv

Malicious code in malicus (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (d151385056670ff22bfb80dc356c10ff622a77e115f8d81ee5f066220e05fda1)
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 (a33ca8f3dec153ea010973822a2919bfa0530325bf4b037096177eb3c6ba9aed)
The OpenSSF Package Analysis project identified 'malicus' @ 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/malicus/MAL-2025-5654.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/malicus
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/malicus/MAL-2025-5654.json
- https://github.com/advisories/GHSA-xjpr-9xpx-cfxv

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.