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    Storm-2755 - MFA Registration during HR Access

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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/)
    Ibrahim Saud@tektrix
    •updated Jun 21, 2026•0•0•9

    Detects MFA device registration occurring during a suspicious session heavily focused on HR portal access. This rule correlates MFA registration events with access to HR applications like Workday or ADP within a 10-minute window, indicating potential account takeover or unauthorized access attempts.

    Microsoft Sentinel (KQL)

    Tags

    T1098.005 - Device RegistrationTA0003 - PersistenceTA0004 - Privilege EscalationMultifactor Authentication RequestCredential AccessApplication EventAzureSaas ApplicationAzure Signin LogsM365 Unified Audit LogGeneric Application Logkql

    Found in

    • Storm-2755 AiTM Phishing and Payroll Fraud CampaignLast updated Aug 10, 2026
    • Storm-2755 Payroll Pirate Campaign Targeting Canadian EmployeesLast updated Apr 16, 2026

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