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    Nightmare Eclipse Wermgr Masquerading

    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/)
    nomit vyas@xoxo
    •updated Jun 25, 2026•1•0•7

    Detects wermgr.exe masquerading outside legitimate system directories, associated with the Nightmare Eclipse exploit chain.

    YARA-L

    Tags

    T1036.005 - Match Legitimate Resource Name or LocationTA0005 - Defense EvasionProcess CreationWindowsWindows Eventlog SystemWindows Eventlog ApplicationWindows SysmonCVE-2020-17103

    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
    • Chaotic Eclipse Zero-Day Exploit Chain Against WindowsLast updated Jun 2, 2026

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