subsys-client

GHSA-4438-69xp-q9jj

Malicious code in subsys-client (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1`

## Source: kam193 (cd448fe7b92604e9718438328baa70266ded0a4e0c105f7663c9256b6eeea18b)
Importing the module starts downloading and executing an Infostealer targeting browsers' and Discord data

In first packages, there was a hidden line triggering downloading and running an infostealer


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


Campaign: 2024-12-syscontrol


Reasons (based on the campaign):


 - infostealer


 - obfuscation


 - action-hidden-in-lib-usage


 - infostealer:kiwi


 - exfiltration-browser-data


 - exfiltration-crypto

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/subsys-client/MAL-2025-988.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/subsys-client
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/subsys-client/MAL-2025-988.json
- https://github.com/advisories/GHSA-4438-69xp-q9jj

Compromised versions (1)

= 0.1

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