Detection rules › Sigma
Potential Persistence Via DLLPathOverride
Detects when an attacker adds a new "DLLPathOverride" value to the "Natural Language" key in order to achieve persistence which will get invoked by "SearchIndexer.exe" process
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: all of selection_root
TargetObject|contains: '\SYSTEM\CurrentControlSet\Control\ContentIndex\Language\'
Stage 2: all of selection_values
or:
TargetObject|contains: '\StemmerClass'
TargetObject|contains: '\StemmerDLLPathOverride'
TargetObject|contains: '\WBDLLPathOverride'
TargetObject|contains: '\WBreakerClass'
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.
| Field | Kind | Values |
|---|---|---|
TargetObject | match |
|