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    Bear Activity GTR 2019

    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/)
    Azure Sentinel@AzureSentinel
    •updated Jun 17, 2025•2•0•31

    Original Sigma Rule: https://github.com/Neo23x0/sigma/blob/master/rules/apt/apt_bear_activity_gtr19.yml. Questions via Twitter: @janvonkirchheim.

    Microsoft Sentinel (KQL)

    Tags

    G0007 - APT28C0051 - APT28 Nearest Neighbor CampaignT1074 - Data StagedT1074.001 - Local Data StagingT1005 - Data from Local SystemT1087 - Account DiscoveryTA0009 - CollectionTA0007 - DiscoveryT1204.004 - Malicious Copy and PasteDS0020 - SnapshotS0106 - cmdT1547.001 - Registry Run Keys / Startup FolderT1060 - Registry Run Keys / Startup FolderT1223 - Compiled HTML FileT1083 - File and Directory DiscoveryT1059 - Command and Scripting InterpreterT1033 - System Owner/User DiscoveryTA0002 - ExecutionTA0003 - PersistenceTA0004 - Privilege EscalationTA0005 - Defense EvasionProcess EventCommand ExecutionData StagingFile EventWindowsWindows Defender Atpkql

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