Detection rules › Sigma
Potential Persistence Via Netsh Helper DLL - Registry
Detects changes to the Netsh registry key to add a new DLL value. This change might be an indication of a potential persistence attempt by adding a malicious Netsh helper
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1546.007 Event Triggered Execution: Netsh Helper DLL |
| Privilege Escalation | T1546.007 Event Triggered Execution: Netsh Helper DLL |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: selection
Details|contains: .dll
TargetObject|contains: '\SOFTWARE\Microsoft\NetSh'
Stage 2: not 1 of filter_main_poqexec
Details: [iasmontr.dll, ipmontr.dll, ippromon.dll]
Image: 'C:\Windows\System32\poqexec.exe'
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 |
|
Details | match |
|
Image | eq |
|
TargetObject | match |
|
Neighbors
Broader alternatives (more inclusive than this rule)
These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.
- New Netsh Helper DLL Registered From A Suspicious Location (drops 1 filter this rule applies)