telepycore

GHSA-8rgq-28m4-m5gh

Malicious code in telepycore (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 2.0.4`

## Source: kam193 (c3dcd0a2a8162a703ef9d7b90566e4c55116a7f4f4d3b8759ca0d2640acd4ee4)
Package can only be used (requires additional triggering) to install a remote executable, ensure it starts on logon and name mimic network service. Though different versions contain different executables, they are mostly identified as malicious by multiple AVs and sandboxes, highlighting adding Defender exclusions and downloading further executables.


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


Campaign: 2025-04-telepycore


Reasons (based on the campaign):


 - peristence-autorun


 - Downloads and executes a remote executable.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/telepycore/MAL-2025-191889.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/telepycore
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/telepycore/MAL-2025-191889.json
- https://tria.ge/250430-1emz2shk4x/behavioral1
- https://tria.ge/250430-1h1qbaylt9
- https://tria.ge/250430-1njc8ahl9y/behavioral1
- https://www.virustotal.com/gui/file/1493cafd2842330835f48cbebfcdd4bf24be8dd5125dcc3e9ee746d0063f23c8/detection
- https://www.virustotal.com/gui/file/34d499a6ccf6634ab8eda9424111cf56c872ec426c1f9de03054569508f17367/detection
- https://www.virustotal.com/gui/file/3f516fdb7c101f60b01bd482c51ac458c06c5df08d0b9e6d87e4d89e74449630

Compromised versions (1)

= 2.0.4

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