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OpenAdvisories
Malicious MAL-2025-48911

yuzo

PyPI package · versions 1.0.0, 1.0.1, 1.0.2, 1.4.3

Reported Sep 19, 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 (deb22bdfdecb739735dd50a5e0e2fe8329ee260b7236db8112629d7516d081d4)
Package contains an infostealer and is clearly prepared for using it. Different versions present different variations, newer are based on CStealer. The exfiltration target is a hardcoded discord webhook

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

Campaign: 2025-09-suyo

Reasons (based on the campaign):

- infostealer

- infostealer:cstealer

- exfiltration-browser-data

Indicators of compromise

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

URLs

  • hxxps://discord[.]com/api/webhooks/1416787330873688224/4PB-5IWwMalA9DM5aNtX2O1V1FhofPrA2HkcfBqrcPnSy-ue-s5xLi9jxaPpMAjup-5I other packages →