VYPR
← All malware advisories

pypi · Malicious package advisory

Malware

py-mcmcmask

GHSA-974j-qr84-8rcr

Malicious code in py-mcmcmask (PyPI)

Details

**Severity:** Critical

**Affected versions:** `> 0`

## Source: checkmarx (34e7e3432024de30ca14ff015728d0214991d41658f40fd1390ddf6ccc5072f3)
EsqueleSquad group published nearly 6000 malicious PyPi and NPM packages, executing spyware and information-stealing malware

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/py-mcmcmask/MAL-2023-5334.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/py-mcmcmask/MAL-2023-5334.json
- https://medium.com/checkmarx-security/the-skeleton-squad-tracing-the-origins-and-scope-of-5000-malicious-packages-on-pypi-7516c16e4da9
- https://github.com/advisories/GHSA-974j-qr84-8rcr

Compromised versions (1)

  • > 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.