VYPR

pypi · Malicious package advisory

Malware

pygments-richstyle

MAL-2025-191654

Malicious code in pygments-richstyle (PyPI)

Details


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## Source: kam193 (a965f61b1e51e6c96a8987633eaf2f23001320e4c6b884c33603230c66798e74)
Packages silently decrypt content hidden in a dependency and load them as Python extension modules. 

In the first wave, those are copies of legitimate aiohttp and aiohappyeyeballs packages.
In the second wave, malicious packages created good-looking forks of legitimate rich and pigments packages.


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


Campaign: 2025-10-asynhttp


Reasons (based on the campaign):


 - typosquatting


 - exfiltration-generic


 - obfuscation


 - clones-real-package


 - native-extension

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.