Detection rules › Sigma
Suspicious Usage Of ShellExec_RunDLL
Detects suspicious usage of the ShellExec_RunDLL function to launch other commands as seen in the the raspberry-robin attack
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: all of selection_openasrundll
CommandLine|contains: ShellExec_RunDLL
Stage 2: all of selection_suspcli
or:
CommandLine|contains: Invoke-
CommandLine|contains: '\Desktop\'
CommandLine|contains: '\Temp\'
CommandLine|contains: '\Users\Public\'
CommandLine|contains: comspec
CommandLine|contains: iex
CommandLine|contains: msiexec
CommandLine|contains: odbcconf
CommandLine|contains: regsvr32
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 |
|