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OpenAdvisories
Malicious MAL-2023-8766

newpackagetest2026

PyPI package · versions 1.0.0

Reported Dec 25, 2023 · Updated Dec 12, 2025

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 (7b2facdf5925f09b064136d0c919a80e0e83d0a13b4b6f9d903162352c586dc9)
Packages either test the malicious behaviour, or actually download and run a simple remote script during the installation.

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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: 2023-12-valuent

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.

- Downloads and executes a remote malicious script.

Source: ossf-package-analysis (b59246598399045032deadbe2bf6452d46257c97603eec69d11630fcd06cf2da)
The OpenSSF Package Analysis project identified 'newpackagetest2026' @ 1.0.0 (pypi) as malicious.

It is considered malicious because:

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

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