Detection rules › Sigma

Windows Registry Trust Record Modification

Severity
medium
Author
Antonlovesdnb, Trent Liffick (@tliffick)
Source
upstream

Alerts on trust record modification within the registry, indicating usage of macros

MITRE ATT&CK coverage

TacticTechniques
Initial AccessT1566.001 Phishing: Spearphishing Attachment

Event coverage

ProviderEvent IDTitle
Sysmon12RegistryEvent (Object create and delete)
Sysmon13RegistryEvent (Value Set)
Sysmon14RegistryEvent (Key and Value Rename)

Stages and Predicates

Stage 1: selection

TargetObject|contains: '\Security\Trusted Documents\TrustRecords'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetObjectmatch
  • \Security\Trusted Documents\TrustRecords corpus 2 (sigma 2)