Whoami Process Activity

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Identifies use of whoami.exe which displays user, group, and privileges information for the user who is currently logged on to the local system.

Rule type: query

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Windows

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Potential false positives

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Some normal use of this program, at varying levels of frequency, may originate from scripts, automation tools and frameworks. Usage by non-engineers and ordinary users is unusual.

Rule query

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process.name:whoami.exe and event.code:1

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 2 (7.7.0 release)
  • Formatting only.