MAL-2025-192958

    Dashboard / Malicious Package / MAL-2025-192958

    MAL-2025-192958

    Published: 29 Dec 2025Last Modified: 26 Feb 2026

    Summary: Malicious code in smtmlib (PyPI)

    Details: Source: kam193 (e871336d0effe99cb62efeda3a287186e75c1bd4ca5770efd81718db8ababe4e) Malicious copy of a standard library module that during class initialization downloads and executes remote code and after that attempts to cover its tracks by overwriting itself with non-malicious code. The remote code aims to collect and exfiltrate sensitive Telegram session files. This campaign shares infrastructure and basic methods with previous 2025-11-uzip campaign. Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2025-12-smtblib Reasons (based on the campaign): - Downloads and executes a remote malicious script. - infostealer - target:telegram - exfiltration-credentials - action-hidden-in-lib-usage - covering-tracks - clones-real-package - typosquatting

    References: https://bad-packages.kam193.eu/pypi/package/smtmlib, www.getsafety.com/blog-posts/extrazip-malware-campaign

    Affected packages

    Package

    Name: smtmlib

    Purl: pkg:pypi/smtmlib

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    0.1.6
    0.1.7