Detection rules › Sigma

Outlook Security Settings Updated - Registry

Severity
medium
Author
frack113
Source
upstream

Detects changes to the registry values related to outlook security settings

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1137 Office Application Startup

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

TargetObject|contains: '\Outlook\Security\'
TargetObject|contains: '\SOFTWARE\Microsoft\Office\'

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
  • \Outlook\Security\
  • \SOFTWARE\Microsoft\Office\ corpus 2 (sigma 2)