Detection rules › Sigma
Amsi.DLL Loaded Via LOLBIN Process
Detects loading of "Amsi.dll" by a living of the land process. This could be an indication of a "PowerShell without PowerShell" attack
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 7 | Image loaded |
Stages and Predicates
Stage 1: selection
or:
Image|endswith: '\ExtExport.exe'
Image|endswith: '\odbcconf.exe'
Image|endswith: '\rundll32.exe'
ImageLoaded|endswith: '\amsi.dll'
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 |
|---|---|---|
Image | ends_with |
|
ImageLoaded | ends_with |
|