Detection rules › Sigma
Network Reconnaissance Activity
Detects a set of suspicious network related commands often used in recon stages
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1082 System Information Discovery, T1087 Account Discovery |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: selection
CommandLine|contains: _ldap._tcp.dc._msdcs.
CommandLine|contains: nslookup
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 |
|