Suspicious Microsoft Office Test Persistence Key Creation (via registry_set)
- Product
- windows
- Category
- registry_set
- Author
- HuntRule
- Published
- 2026-09-13
- Updated
- 2026-09-13
ATT&CK techniques
PersistenceRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects creation or modification of the Office test Special Perf registry value which forces Microsoft Office applications to load an arbitrary DLL at startup. This rarely used key gives adversaries stealthy persistence through trusted Office processes.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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Also included
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