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OpenAdvisories
Malicious MAL-2025-191831

pyapiepo

PyPI package · versions 1.1.3, 1.1.4

Reported Apr 20, 2025 · Updated Dec 12, 2025

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 (69aee56f4c3bce704bc65574959aee0226417e4d6a6e05e662d6fa235c12815f)
Campaign is split into multiple packages that altogether exfiltrates data from desktop Telegram application.

1. "pyapiepo" is a cover package that provides some useless features BUT also imports "zscaner"
2. "zscaner", when imported, automatically runs a function that is an entry point to the whole process; it uses the "scan" from "reqinstall" to walk through directories. The package also provides main logic: filtering files, triggering archiving directories and exfiltrating them.
3. "reqinstall" ensures "requests" are installed and provides a directory tree scanning function.
4. "zmaker" provides functions to build archives from collected files.
5. "zsender" provides functions to exfiltrate data, the remote URL and a function to deobfuscate configuration in other packages.

Altogether, they look for "Telegram Desktop" folder, archive user data stored there and exfiltrate to a remote location.

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

Campaign: 2025-04-zscaner

Reasons (based on the campaign):

- target:telegram

- exfiltration-generic

- The malicious code is intentionally included in a dependency of the package

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

URLs

IP addresses