Uncommon Microsoft Office Trusted Location Added
Detects changes to registry keys related to "Trusted Location" of Microsoft Office where the path is set to something uncommon. Attackers might add additional trusted locations to avoid macro security restrictions.
Detection logic
Detection requirements
- Platform
- Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source category
- registry_set
Known benign triggers
- Other unknown legitimate or custom paths need to be filtered to avoid false positives
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| admx.help/?Category=Office2016&Policy=excel16.Office.Microsoft.Policies.Windows::L_TrustedLoc01 | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- f742bde7-9528-42e5-bd82-84f51a8387d2
- Tagged by the source as
- attack.defense-impairmentattack.persistence
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Published
- Aug 26, 2026
- Version
- 1