VYPR

pypi · Malicious package advisory

Malware

my-fun-tools

GHSA-qmw5-3mgc-636v

Malicious code in my-fun-tools (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.1`

## Source: kam193 (6642f3653e49e0a80b7fadf4c06bc64cba8a1a359772f1c7a668888278348fd6)
During installation, the obfuscated code attempts to insert a modified Python DLL and runs a code.


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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.


Campaign: 2025-06-my-fun-tools


Reasons (based on the campaign):


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


 - 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/my-fun-tools/MAL-2025-6552.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/my-fun-tools
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/my-fun-tools/MAL-2025-6552.json
- https://github.com/advisories/GHSA-qmw5-3mgc-636v

Compromised versions (1)

  • = 0.1.1

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