IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Web Application Suspicious Activity: sqlmap User Agent Windows CryptoAPI Spoofing Vulnerability (CVE-2020-0601 - CurveBall) »
Elastic Docs ›Elastic Security Solution [7.10] ›Detections and Alerts ›Prebuilt rule reference

Whoami Process Activity

edit

Whoami Process Activity

edit

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-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

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

Maximum alerts per execution: 100

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Discovery

Version: 4 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.10.0

Rule authors: Elastic

Rule license: Elastic License

Potential false positives

edit

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

edit
event.category:process and event.type:(start or process_started) and
process.name:whoami.exe

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 4 (7.10.0 release)

  • Updated query, changed from:

    process.name:whoami.exe and event.code:1
Version 3 (7.9.0 release)
  • Formatting only
Version 2 (7.7.0 release)
  • Formatting only
« Web Application Suspicious Activity: sqlmap User Agent Windows CryptoAPI Spoofing Vulnerability (CVE-2020-0601 - CurveBall) »