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UnknownMicrosoft Sentinel analytics

Email Forwarding Rule Created to External Address

Identifies inbox forwarding rules created to redirect or forward email to an external address outside the organization, which may indicate an attacker using cloud app permissions to establish persistent mail…

Description

Identifies inbox forwarding rules created to redirect or forward email to an external address outside the organization, which may indicate an attacker using cloud app permissions to establish persistent mail collection for long-term data exfiltration.

Detection logic

Detection requirements

Platform
ESXiIaaSLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source product
microsoftcloudappsecurity
Log source service
cloudappevents

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