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    RedSun Exploit Named Pipe Creation

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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/)
    Tim Peck@timpeck
    •updated Jun 2, 2026•2•0•13

    Detects the creation of the specific named pipe '\REDSUN' used by the RedSun exploit (CVE-2026-41091) for inter-process communication. This named pipe is a unique indicator of the RedSun exploit's activity, often associated with process injection or other inter-process communication mechanisms.

    Microsoft Sentinel (KQL)

    Tags

    T1055 - Process InjectionTA0005 - Defense EvasionDS0023 - Named PipeTA0004 - Privilege EscalationNamed Pipe CreationExploit AttemptWindowsWindows Defender AtpCVE-2026-41091kql

    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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