System Time Discovery

Detects the usage of commonly used system time discovery techniques, which attackers may use during the reconnaissance phase after compromising a system.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*
endgame-*

Severity: low

Risk score: 21

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

Elastic
Host
Windows
Threat Detection
Discovery
Elastic Endgame

Version: 1

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

process where event.type == "start" and
(
 ((process.name: "net.exe" or (process.name : "net1.exe" and not process.parent.name : "net.exe")) and process.args : "time") or
 (process.name: "w32tm.exe" and process.args: "/tz") or
 (process.name: "tzutil.exe" and process.args: "/g")
)

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: System Time Discovery
- ID: T1124
- Reference URL: https://attack.mitre.org/techniques/T1124/

« Suspicious Module Loaded by LSASS Web Application Suspicious Activity: POST Request Declined »