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OpenAdvisories
Malicious MAL-2026-2840

sher-server-tool

PyPI package · versions 0.0.1

Reported Apr 17, 2026 · Updated Apr 17, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (e83ee8187475c07ed6ea406a698e3f9d3c55efec8e689ba0c110a6ee2ce1012b)
Starting the module activates a hardcoded telegram bot allowing remote code execution, data exfiltration, collecting webcam photos, clipboard data, etc.

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

Campaign: 2026-04-sher-net

Reasons (based on the campaign):

- The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

- rat

- spyware-like