Suspicious PowerShell Mailbox SMTP Forward Rule
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About the rule
Rule Type
Standard
Rule Description
Detects usage of the powerShell Set-Mailbox Cmdlet to set-up an SMTP forwarding rule.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND SCRIPTEXECUTED contains "Set-Mailbox " AND SCRIPTEXECUTED contains " -DeliverToMailboxAndForward " AND SCRIPTEXECUTED contains " -ForwardingSmtpAddress " select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
