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OpenAdvisories
Malicious MAL-2026-4837

my-test-package-2025-xyz

PyPI package · versions 1.0.1

Reported May 28, 2026 · Updated May 28, 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 (a2f3ab0a3c7ef9009c99575d9dd051c4a97575435cabf5d3a4c223f53bc47b89)
During installation, the package opens a reverse shell

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

Campaign: 2026-05-my-test-package-2025-xyz

Reasons (based on the campaign):

- The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

- The package overrides the install command in setup.py to execute malicious code during installation.