Detection rules › Sigma
Discovery of a System Time
Identifies use of various commands to query a systems time. This technique may be used before executing a scheduled task or to discover the time zone of a target system.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1124 System Time 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: 1 of selection_time
or:
Image|endswith: '\net.exe'
Image|endswith: '\net1.exe'
CommandLine|contains: time
Stage 2: 1 of selection_w32tm
CommandLine|contains: tz
Image|endswith: '\w32tm.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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|