VYPR

pypi · Malicious package advisory

Malware

cas-base

MAL-2025-193014

Malicious code in cas-base (PyPI)

Details


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## Source: kam193 (69eb341218878aebdec66eb5a44391314921fe3c7fb387021d0684bbb91913b3)
The package contains code to install remotely stored malware and ensure its persistence. The code is not triggered automatically; it requires a separate trigger.

Originally, cas-base was detected in 2025-07 with an unclear payload. Later it got updated to a clearly malicious payload


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


Campaign: 2025-07-cas-base


Reasons (based on the campaign):


 - Downloads and executes a remote executable.


 - malware


 - persistence

Compromised versions (15)

  • 1.5.2
  • 1.5.3
  • 1.5.5
  • 1.5.6
  • 1.5.7
  • 1.5.8
  • 1.5.9
  • 1.6.0
  • 1.6.1
  • 1.6.2
  • 1.6.3
  • 1.6.5
  • 1.6.6
  • 1.6.9
  • 1.7.1

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