Office Mail Forwarding - Hunting Version
Adversaries often abuse email-forwarding rules to monitor victim activities, steal information, and gain intelligence on the victim or their organization. This query highlights cases where user mail is being…
Description
Adversaries often abuse email-forwarding rules to monitor victim activities, steal information, and gain intelligence on the victim or their organization. This query highlights cases where user mail is being forwarded, including to external domains.
Detection logic
Detection requirements
- Platform
- LinuxmacOSNetwork DevicesOffice SuiteWindows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
- Log source product
- office365
- Log source service
- officeactivity_exchange
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- d49fc965-aef3-49f6-89ad-10cc4697eb5b
- Tagged by the source as
- CollectionExfiltration
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Sep 1, 2026
- Version
- 1