Detection rules › Sigma
Potential Persistence Via Scrobj.dll COM Hijacking
Detect use of scrobj.dll as this DLL looks for the ScriptletURL key to get the location of the script to execute
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1546.015 Event Triggered Execution: Component Object Model Hijacking |
| Privilege Escalation | T1546.015 Event Triggered Execution: Component Object Model Hijacking |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: selection
Details: 'C:\WINDOWS\system32\scrobj.dll'
TargetObject|endswith: 'InprocServer32\(Default)'
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 | eq |
|
TargetObject | ends_with |
|