Mailbox Mail Forwarding Enabled
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About the rule
Rule Type
Standard
Rule Description
Detects creation of mailbox forwarding rules, often used in data exfiltration.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "DETECTION_ACTION_M365_SET_MAILBOX" AND ((PARAMETERS contains "forwardingaddress" OR PARAMETERS contains "forwardingsmtpaddress")) select Action1.CALLER,Action1.TARGET,Action1.IPADDRESS,Action1.PARAMETERS,Action1.OPERATION
Detection
Execution Mode
realtime
Log Sources
Microsoft 365
