SMTBLIB · MAL-2025-192579 · Package
UNINSTALL IT, ROTATE THE KEYS IT COULD READ
Not triaged yet. The sources’ own description is below.
first public Dec 15, 2025 · 1 source
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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
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