Elastic medium stable kql

Entra ID User Reported Suspicious Activity

Identifies suspicious activity reported by users in Microsoft Entra ID where users have reported suspicious activity related to their accounts, which may indicate potential compromise or unauthorized access attempts. Reported suspicious activity typically occurs during the authentication process and may involve various authentication methods, such as password resets, account recovery, or multi-factor authentication challenges. Adversaries may attempt to exploit user accounts by leveraging social engineering techniques or other methods to gain unauthorized access to sensitive information or resources.

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Detection Logic

data_stream.dataset: "azure.auditlogs"
    and azure.auditlogs.operation_name: "Suspicious activity reported"
    and azure.auditlogs.properties.additional_details.key: "AuthenticationMethod"
    and azure.auditlogs.properties.target_resources.*.type: "User"
    and event.outcome: "success"

Field Validations

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