NRT Multiple users email forwarded to same destination

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Identifies when multiple (more than one) users mailboxes are configured to forward to the same destination. This could be an attacker-controlled destination mailbox configured to collect mail from multiple compromised user accounts.

Attribute Value
Type Analytic Rule
Solution Standalone Content
ID 3b05727d-a8d1-477d-bbdd-d957da96ac7b
Severity Medium
Kind NRT
Tactics Collection, Exfiltration
Techniques T1114, T1020
Required Connectors Office365
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
OfficeActivity OfficeWorkload == "Exchange" ?

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