VYPR

pypi · Malicious package advisory

Malware

osopackagepy

MAL-2026-860

Malicious code in osopackagepy (PyPI)

Details


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## Source: kam193 (999886fcc5bada14ab742719f34eef0d929a1319b6011060b7e13e1598c292f0)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.


Campaign: GENERIC-standard-pypi-install-pentest


Reasons (based on the campaign):


 - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.


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

## Source: ossf-package-analysis (6d8ae54694435d049b0d7f0a1e37c940dd35b30ea4c50f51f1ec3c9d1390f38e)
The OpenSSF Package Analysis project identified 'osopackagepy' @ 10.0.0 (pypi) as malicious.

It is considered malicious because:

- The package communicates with a domain associated with malicious activity.

Compromised versions (1)

  • 10.0.0

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