Detection rules › Sigma
Custom File Open Handler Executes PowerShell
Detects the abuse of custom file open handler, executing powershell
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1202 Indirect Command Execution |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: selection
Details|contains: -command
Details|contains: powershell
TargetObject|contains: 'shell\open\command\'
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 |
|---|---|---|
Details | match |
|
TargetObject | match |
|