Detection rules › Sigma
Rundll32 UNC Path Execution
Detects rundll32 execution where the DLL is located on a remote location (share)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Evasion | T1218.011 System Binary Proxy Execution: Rundll32 |
| Lateral Movement | T1021.002 Remote Services: SMB/Windows Admin Shares |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_img
or:
CommandLine|contains: rundll32
Image|endswith: '\rundll32.exe'
OriginalFileName: RUNDLL32.EXE
Stage 2: all of selection_cli
CommandLine|contains: ' \\\\'
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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|