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    Device Code Auth Then 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 20, 2026•2•0•14

    Detects successful Device Code authentication followed immediately by a new device registration, a tactic used to extend access via PRT generation.

    YARA-L

    Tags

    T1550.001 - Application Access TokenT1136 - Create AccountT1098 - Account ManipulationTA0003 - PersistenceTA0006 - Credential AccessTA0005 - Defense EvasionTA0008 - Lateral MovementTA0004 - Privilege EscalationAuthentication SuccessUser Account ModifiedCredential AccessAdmin ActivityAzureAzure Signin LogsM365 Unified Audit Logkql

    Found in

    • EvilTokens Exploits Railway PaaS for M365 AttacksLast updated Mar 24, 2026

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