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    Mastra NPM - .js payload created and executed in same minute

    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 19, 2026•0•0•3

    Correlates the drop of a 24-character hex .js file with its immediate execution by node.exe, indicating potential compromise via a supply chain attack like Mastra NPM.

    Microsoft Sentinel (KQL)

    Tags

    T1059.007 - JavaScriptT1195.001 - Compromise Software Dependencies and Development ToolsT1195.002 - Compromise Software Supply ChainTA0002 - ExecutionTA0001 - Initial AccessFile CreationCommand ExecutionScript ExecutionWindowsWindows Defender Atpkql

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