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    All Detections

    RedSun Exploit SyncRootManager Registration

    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/)
    Ibrahim Saud@tektrix
    •updated Jun 23, 2026•1•0•13

    Detects the registration of a Cloud Files sync root provider with the name 'SERIOUSLYMSFT', a hardcoded value in the RedSun exploit (CVE-2026-41091).

    Microsoft Sentinel (KQL)

    Tags

    TA0003 - PersistenceT1547.001 - Registry Run Keys / Startup FolderTA0004 - Privilege EscalationExploit AttemptRegistry EventRegistry Key CreateRegistry Value ModificationRegistry Value SetWindowsWindows Defender AtpWindows SysmonCVE-2026-41091attack.persistenceattack.t1547.001kql

    Found in

    • FalconFlank Zero-Day Targets CrowdStrike Falcon Macro RemediationLast updated Sep 5, 2026
    • Nightmare Eclipse RoguePlanet Windows Defender Zero-DayLast updated Jun 30, 2026
    • GreatXML Windows Zero-Day BitLocker BypassLast updated Jun 12, 2026
    • RedSun: Defender Remediation Workflow Local Privilege EscalationLast updated Jun 2, 2026
    • RedSun: Defender Remediation Workflow Local Privilege EscalationLast updated Jun 2, 2026

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