MAL-2025-5656 Malicious code in malinssx (PyPI)
- Package
- malinssx
- Registry
- PyPI
What is MAL-2025-5656?
MAL-2025-5656 is a malicious package in malinssx, published on 4 Jul 2025.
Official description
The only goal of the package is to execute a webhook or a suspicious file during installation.
Closely related to 2025-07-0x9xnx - created after previous packages were quarantined, similar names, similar usage, but no clearly malicious parts.
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: 2025-07-malimalo
Reasons (based on the campaign):
- The package overrides the install command in setup.py to execute malicious code during installation.
The OpenSSF Package Analysis project identified 'malinssx' @ 0.0.1 (pypi) as malicious.
It is considered malicious because:
- The package communicates with a domain associated with malicious activity.
What should I do about MAL-2025-5656?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.