VYPR

pypi · Malicious package advisory

Malware

tchap-bot

GHSA-44rg-mp8m-h5v7

Malicious code in tchap-bot (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 199.0.99`

## Source: kam193 (ca239020bc35efc249b5f387dc3ae473132184319b88a498ba3f7ddd9dd6dfe3)
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.


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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: 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 (e89fc85e4395a4d3008762de9797463e4353fb925e6e0663bd4f4046cf184e78)
The OpenSSF Package Analysis project identified 'tchap-bot' @ 199.0.99 (pypi) as malicious.

It is considered malicious because:

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

- The package executes one or more commands associated with malicious behavior.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/tchap-bot/MAL-2026-1086.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/tchap-bot
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/tchap-bot/MAL-2026-1086.json
- https://github.com/advisories/GHSA-44rg-mp8m-h5v7

Compromised versions (1)

  • = 199.0.99

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