hamubika

GHSA-8qhj-h2x2-v25g

Malicious code in hamubika (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (c55b19e3a5ae01340f8c4aa8a68372eda1a6d5646f63a26658a1df75b4a2cf0c)
Packages that either reports home installation, simulate malicious activity or imitate Roblox API wrapper.


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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-wangzhou183


Reasons (based on the campaign):


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

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/hamubika/MAL-2025-191747.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/hamubika
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/hamubika/MAL-2025-191747.json
- https://github.com/advisories/GHSA-8qhj-h2x2-v25g

Compromised versions (1)

= 1.0.0

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