VYPR

pypi · Malicious package advisory

Malware

b10connoisseur

MAL-2026-870

Malicious code in b10connoisseur (PyPI)

Details


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_-= Per source details. Do not edit below this line.=-_

## Source: kam193 (3b004210d186f2b625699f4d863f3ba95407f836eadfee0168be63f85124b5b7)
During installation, package attempts to enumerate the environment and exfiltrates potentially sensitive data to a hardcoded location.


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


Campaign: 2026-02-b10connoisseur


Reasons (based on the campaign):


 - exfiltration-generic


 - exfiltration-env-variables


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

## Source: ossf-package-analysis (c734377588989b8ed547518a07d2d0fd2e92265be0539f4432d06b994e9e6d17)
The OpenSSF Package Analysis project identified 'b10connoisseur' @ 0.12.0 (pypi) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

Compromised versions (23)

  • 0.1.0
  • 0.2.0
  • 0.3.0
  • 0.4.0
  • 0.5.0
  • 0.12.0
  • 0.13.0
  • 0.14.0
  • 0.17.0
  • 0.18.0
  • 0.19.0
  • 0.20.0
  • 0.21.0
  • 0.22.0
  • 0.23.0
  • 0.24.0
  • 0.25.0
  • 0.26.0
  • 0.27.0
  • 0.28.0
  • 0.29.0
  • 0.30.0
  • 0.31.0

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