Skip to content
OpenAdvisories
Malicious MAL-2025-3863

c8tsdk

PyPI package · versions 0.0.1

Reported Jul 26, 2024 · 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 (4952c202b499114b83119ae00b4dfcb6ad81c3ff47accd61174ef279f7244eae)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.

---

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 (e831627bd13431af929f14093cc83d51763edbbb492e709860f63f33848fb9cf)
The OpenSSF Package Analysis project identified 'c8tsdk' @ 0.0.1 (pypi) as malicious.

It is considered malicious because:

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