hexadec

GHSA-wv9x-4rcq-cv73

Malicious code in hexadec (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.0.1`

## Source: kam193 (f9d0ae8ccf24a6f5bfc3a0d5e39a983576d6edb2c64d9fe31fcb758236a4aa25)
Package appears to be designed for private key exfiltration, but no known usage. The name appears to be related to the cryptocurrency TRX (Tron / Tronix). Some packages additionally clone the readme of other, legit libraries. The similar packages are repeating uploaded to PyPI


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


Campaign: 2025-04-tronix


Reasons (based on the campaign):


 - exfiltration-generic


 - crypto-related

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/hexadec/MAL-2025-191753.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/hexadec
- https://en.wikipedia.org/wiki/Tron_(blockchain)
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/hexadec/MAL-2025-191753.json
- https://github.com/advisories/GHSA-wv9x-4rcq-cv73

Compromised versions (1)

= 0.0.1

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