System Time Discoveryedit

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 queryedit

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&CKTM