Whoami Utility Execution

 Original Source: [Sigma source]
Title: Whoami Utility Execution
Status: test
Description:Detects the execution of whoami, which is often used by attackers after exploitation / privilege escalation
References:
  -https://brica.de/alerts/alert/public/1247926/agent-tesla-keylogger-delivered-inside-a-power-iso-daa-archive/
  -https://app.any.run/tasks/7eaba74e-c1ea-400f-9c17-5e30eee89906/
Author: Florian Roth (Nextron Systems)
Date: 2018-08-13
modified:2023-11-30
Tags:
  • -'attack.discovery'
  • -'attack.t1033'
  • -'car.2016-03-001'
Logsource:
  • category: process_creation
  • product: windows
Detection:
  selection:
Image|endswith:'\whoami.exe' OriginalFileName:'whoami.exe'   condition:selection
Falsepositives:
  -Admin activity
  -Scripts and administrative tools used in the monitored environment
  -Monitoring activity
Level: low