Detection rules › Sigma
Potential Discovery Activity Via Dnscmd.EXE
Detects an attempt to leverage dnscmd.exe to enumerate the DNS zones of a domain. DNS zones used to host the DNS records for a particular domain.
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_img
Image|endswith: '\dnscmd.exe'
Stage 2: all of selection_cli
or:
CommandLine|contains: '/ZonePrint'
CommandLine|contains: '/enumrecords'
CommandLine|contains: '/enumzones'
CommandLine|contains: '/info'
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 |
|
Neighbors
Stricter alternatives (narrower than this rule)
The rules below may be useful if you find the current rule is too noisy / lacks specificity.
- New DNS ServerLevelPluginDll Installed Via Dnscmd.EXE (adds 2 filters)