Detection rules › Sigma
ETW Logging/Processing Option Disabled On IIS Server
Detects changes to of the IIS server configuration in order to disable/remove the ETW logging/processing option.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1505.004 Server Software Component: IIS Components |
| Defense Evasion | T1562.002 Impair Defenses: Disable Windows Event Logging |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| IIS-Configuration | 29 | Changes to 'Configuration' at 'ConfigPath' have successfully been committed. |
Stages and Predicates
Stage 1: selection
Configuration|endswith: '@logTargetW3C'
OldValue|contains: ETW
Stage 2: not 1 of filter_main_etw_added
NewValue|contains: ETW
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 |
|---|---|---|
Configuration | ends_with |
|
NewValue | match |
|
OldValue | match |
|