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OpenAdvisories
Malicious MAL-2025-4219

free-internet-dns

PyPI package · versions 0.1.0

Reported May 11, 2025 · Updated Mar 19, 2026

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 (80f5bbcb50f9c9699a083711bb4d59905b49a198ddcd8c95425030d01d6a45e5)
Installing the package installs a backdoor (a qsocket.io) and automatically uploads access credentials (from the output of the qsocket client) to the remote server.

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

Campaign: 2025-05-free-internet-dns

Reasons (based on the campaign):

- backdoor

- The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

URLs