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Operation Endgame: Up In Smoke

ID: 38fae1d2-a6dd-5793-8f27-310072752e6f

STIX ID: report--38fae1d2-a6dd-5793-8f27-310072752e6f

Feed Name: Zscaler Security Research Blog

Threat Score
75/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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This report provides a technical analysis of the Smoke malware family (2017–2022), detailing installation and persistence variations across versions, bot ID and filename generation algorithms, HTTP POST C2 communication using RC4-encrypted packets, supported remote commands (including uninstall and update), and cleanup/forensic artifacts left on infected Windows hosts.

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