VYPR

pypi · Malicious package advisory

Malware

fastertelethon

MAL-2025-191723

Malicious code in fastertelethon (PyPI)

Details


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## Source: kam193 (3ccfc281c2541df7e1354e6de8c64624fdc75dcc229d33962b171b0a95087edf)
Clone of Telethon package that exfiltrates credentials. See client/telegrambaseclient.py L608-626 (exfiltration function) and client/auth.py L163 (usage).


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


Campaign: 2025-04-fastgram


Reasons (based on the campaign):


 - clones-real-package


 - action-hidden-in-lib-usage


 - exfiltration-generic

Compromised versions (2)

  • 1.0.5
  • 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.