byted-df

GHSA-qxc3-mmp8-cv9w

Malicious code in byted-df (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 99.1.1`

## Source: kam193 (821138aac758315c7a31a463523c4930bdd52e67699199e4c8bda0511c5907f8)
Importing the module triggers sending out the hostname to the package author. It looks to be a placeholder/pentest activity related to BytedDance.


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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: 2024-11-0wn-sh


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.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/byted-df/MAL-2025-905.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/byted-df
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/byted-df/MAL-2025-905.json
- https://github.com/advisories/GHSA-qxc3-mmp8-cv9w

Compromised versions (1)

= 99.1.1

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