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    Abnormal Mfa Session Behavior

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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/)
    Ravi Asakapalli@Ravishankaraskp
    •updated May 17, 2026•2•0•218

    Detects abnormal MFA session behavior by monitoring user sessions with multiple IPs or browsers over 24h. Note: KQL 14-day historical baseline and set_difference logic is approximated.

    YARA-L

    Tags

    T1557 - Adversary-in-the-MiddleT1550.004 - Web Session CookieT1111 - Multi-Factor Authentication InterceptionTA0006 - Credential AccessTA0009 - CollectionTA0005 - Defense EvasionTA0008 - Lateral MovementAuthentication AttemptMultifactor Authentication BypassCredential AccessAzureAzure Signin Logskql

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