Detectors

Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.

2 detectors match the current filters. technique: T1566 ✕

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Type Name Severity Module Data source / event ATT&CK
Analytics BIOC Potential spoofing of internal domain spotted An external sender is possibly impersonating an employee by spoofing the company's internal address. Informational Email Security Microsoft 365 Emails Initial Access, Defense Evasion
Analytics BIOC Unrecognized internal address (AAD mismatch) An email was received from an address using an internal domain, but the sender is not found in Active Directory. This may indicate an impersonation attempt or domain spoofing. Informational Email Security Microsoft 365 Emails Initial Access