Whoami Process Activityedit
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: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
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: 7 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.13.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positivesedit
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 queryedit
process where event.type in ("start", "process_started") and process.name : "whoami.exe"
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: System Owner/User Discovery
- ID: T1033
- Reference URL: https://attack.mitre.org/techniques/T1033/
Rule version historyedit
- Version 7 (7.13.0 release)
-
-
Updated query, changed from:
event.category:process and event.type:(start or process_started) and process.name:whoami.exe
-
- Version 6 (7.12.0 release)
-
- Formatting only
- Version 5 (7.11.2 release)
-
- Formatting only
- 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