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Elastic Docs ›Elastic Security Solution [7.11] ›Detections and Alerts ›Prebuilt rule reference

Net command via SYSTEM account

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Net command via SYSTEM account

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Identifies the SYSTEM account using the Net utility. The Net utility is a component of the Windows operating system. It is used in command line operations for control of users, groups, services, and network connections.

Rule type: query

Rule indices:

  • winlogbeat-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

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

Maximum alerts per execution: 100

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Discovery

Version: 5 (version history)

Added (Elastic Stack release): 7.7.0

Last modified (Elastic Stack release): 7.11.2

Rule authors: Elastic

Rule license: Elastic License

Rule query

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event.category:process and event.type:(start or process_started) and
(process.name:(whoami.exe or net.exe) or process.name:net1.exe and not
process.parent.name:net.exe) and user.name:SYSTEM

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 5 (7.11.2 release)
  • Formatting only
Version 4 (7.10.0 release)

  • Updated query, changed from:

    event.category:process and event.type:(start or process_started) and
(process.name:net.exe or process.name:net1.exe and not
process.parent.name:net.exe) and user.name:SYSTEM
Version 3 (7.9.1 release)
  • Formatting only
Version 2 (7.9.0 release)

  • Updated query, changed from:

    (process.name:net.exe or process.name:net1.exe and not
process.parent.name:net.exe) and user.name:SYSTEM and
event.action:"Process Create (rule: ProcessCreate)"
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