Detection rules › Sigma

Disable Macro Runtime Scan Scope

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects tampering with the MacroRuntimeScanScope registry key to disable runtime scanning of enabled macros

Event coverage

ProviderEvent IDTitle
Sysmon13RegistryEvent (Value Set)

Stages and Predicates

Stage 1: selection

Details: 'DWORD (0x00000000)'
TargetObject|endswith: '\MacroRuntimeScanScope'
TargetObject|contains: '\Common\Security'
TargetObject|contains: '\Microsoft\Office\'
TargetObject|contains: '\SOFTWARE\'

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
Detailseq
  • DWORD (0x00000000) corpus 38 (sigma 38)
TargetObjectends_with
  • \MacroRuntimeScanScope
TargetObjectmatch
  • \Common\Security
  • \Microsoft\Office\ corpus 2 (sigma 2)
  • \SOFTWARE\