If this package is installed
Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.
Details
Source: kam193 (3b004210d186f2b625699f4d863f3ba95407f836eadfee0168be63f85124b5b7)
During installation, package attempts to enumerate the environment and exfiltrates potentially sensitive data to a hardcoded location.
---
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.
Indicators of compromise
Shown defanged and not clickable. Search any indicator to find other packages using it.
URLs
- hxxp://54[.]242[.]228[.]151:8090/debug-21f53 other packages →
IP addresses
- 54[.]242[.]228[.]151 other packages →