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System Service Discovery through built-in Windows Utilities

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System Service Discovery through built-in Windows Utilities

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Detects the usage of commonly used system service discovery techniques, which attackers may use during the reconnaissance phase after compromising a system in order to gain a better understanding of the environment and/or escalate privileges.

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:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Data Source: Elastic Defend
  • Data Source: Elastic Endgame
  • Rule Type: BBR

Version: 5

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" and
  (
  ((process.name: "net.exe" or process.pe.original_file_name == "net.exe" or (process.name : "net1.exe" and
    not process.parent.name : "net.exe")) and process.args : ("start", "use") and process.args_count == 2) or
  ((process.name: "sc.exe" or process.pe.original_file_name == "sc.exe") and process.args: ("query", "q*")) or
  ((process.name: "tasklist.exe" or process.pe.original_file_name == "tasklist.exe") and process.args: "/svc") or
  (process.name : "psservice.exe" or process.pe.original_file_name == "psservice.exe")
  ) and not user.id : "S-1-5-18"

Framework: MITRE ATT&CKTM

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