MAL-2026-3245 Malicious code in system-update-tool (PyPI)
Malicious package
Published
MAL-2026-3245 is a malicious package: system-update-tool (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-2026-3245/ (Markdown: https://insights.sbomify.com/MAL-2026-3245/index.md)
- Package
- system-update-tool
- Registry
- PyPI
What is MAL-2026-3245?
MAL-2026-3245 is a malicious package in system-update-tool, published on 3 May 2026.
Official description
If run as a module, the code runs code to silently control the device via Telegram bot (execute commands, exfiltrate files).
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-system-update-tool
Reasons (based on the campaign):
rat
The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.
files-exfiltration
peristence-autorun
persistence
impersonation
What should I do about MAL-2026-3245?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.