GRAMDOORMalware

• small sieve

Small Sieve is a Telegram Bot API-based Python backdoor that has been distributed using a Nullsoft Scriptable Install System (NSIS) Installer; it has been used by MuddyWater since at least January 2022. Security researchers have also noted Small Sieve's use by UNC3313, which may be associated with MuddyWater.From MITRE ATT&CK

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