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    Remote Encrypting File System Abuse

    avatar
    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 Jun 4, 2025•0•0•2

    Detects remote RPC calls to possibly abuse remote encryption service via MS-EFSR

    Sigma

    Tags

    TA0008 - Lateral MovementApplication EventWindowsWindows Rpc FirewallCVE-2021-36942attack.lateral-movement

    Found in

    • Exposed Playbook of a Russian-Speaking Aurora AffiliateLast updated Sep 1, 2026

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