proxycer

GHSA-qff6-cqrr-65wv

Malicious code in proxycer (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (5f66d65c62bde80f94cc75ce1b15bf00995f3dcb1434fb94dd4d452236f9e478)
Packages are designed to collect basic info about the user  when importing them, and have no other purpose. While they claim to do so, some packages from the same uploader use confusing names, clearly suggesting the intention to harvest data from unintentional installations.


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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: 2025-02-pxz


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.


 - typosquatting

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/7d7aa2dd42da279806673fe3964814c65b1e943e/osv/malicious/pypi/proxycer/MAL-2026-15935.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/proxycer
- https://github.com/ossf/malicious-packages/blob/7d7aa2dd42da279806673fe3964814c65b1e943e/osv/malicious/pypi/proxycer/MAL-2026-15935.json
- https://github.com/ossf/malicious-packages/blob/df35ebf54dd1849ed38875225a5f23a018101060/osv/malicious/pypi/proxycer/MAL-2026-15935.json
- https://github.com/ossf/malicious-packages/blob/78792aee23e5c759f309a3d2e9397caf2439773e/osv/malicious/pypi/proxycer/MAL-2026-15935.json
- https://pypi.org/project/proxycer/0.1.0
- https://github.com/ossf/malicious-packages/blob/8eb58730be57022efc3c6fe4e3e213face35d19b/osv/malicious/pypi/proxycer/MAL-2026-15935.json
- https://github.com/advisories/GHSA-qff6-cqrr-65wv

Compromised versions (1)

= 0.1.0

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