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    All Detections

    UNC4841 - Barracuda ESG Exploitation File Indicators

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    SigmaHQ Detections@sigmaHQ
    •updated Oct 1, 2025•0•30

    Detects the creation or modification of specific files identified as indicators of compromise (IOCs) used by UNC4841 in their exploitation of Barracuda ESG appliances. These files are associated with various stages of the attack, including persistence, execution, and defense evasion.

    Sigma

    Tags

    T1059 - Command and Scripting InterpreterT1547 - Boot or Logon Autostart ExecutionT1036 - MasqueradingT1562 - Impair DefensesTA0002 - ExecutionTA0003 - PersistenceTA0004 - Privilege EscalationTA0005 - Defense EvasionFile CreationFile ModificationLinuxattack.executionattack.persistenceattack.defense-evasiondetection.emerging-threats

    Found in

    • Salt Typhoon Cyber Espionage Targeting Telecommunications and GovernmentLast updated May 25, 2026
    • Salt Typhoon Cyber Espionage Targeting Telecommunications and GovernmentLast updated May 4, 2026

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