SigmaHQ/rules/windows/process_creation/win_whoami_priv.yml

title: Run Whoami Showing Privileges
id: 97a80ec7-0e2f-4d05-9ef4-65760e634f6b
status: experimental
description: Detects a whoami.exe executed with the /priv command line flag instructing the tool to show all current user privieleges. This is often used after a privilege escalation attempt. 
references:
    - https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/whoami
author: Florian Roth
date: 2021/05/05
tags:
    - attack.privilege_escalation
    - attack.discovery
    - attack.t1033
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\whoami.exe'
        CommandLine|contains: '/priv'
    condition: selection
falsepositives:
    - Administrative activity (rare lookups on current privileges)
level: high