MAL-2025-41421 Malicious code in k7eel2-ss (PyPI)
Malicious package
Published
MAL-2025-41421 is a malicious package: k7eel2-ss (PyPI). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2025-41421/ (Markdown: https://insights.sbomify.com/MAL-2025-41421/index.md)
- Package
- k7eel2-ss
- Registry
- PyPI
What is MAL-2025-41421?
MAL-2025-41421 is a malicious package in k7eel2-ss, published on 21 Aug 2025.
Official description
The package downloads and executes an executable from a hardcoded URL. The executable is classifed as Trojan and confirmed by 47 top sources.
The package downloads malware from https://github.com/deprosinal/legendary-funicular github repo, namely helo.exe
Importing the module downloads and executes widely recognized malware
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-08-k7eel
Reasons (based on the campaign):
Downloads and executes a remote executable.
malware
What should I do about MAL-2025-41421?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.