title: System Owner or User Discovery
status: experimental
description: Adversaries may use the information from System Owner/User Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
author: Timur Zinniatullin, oscd.community
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1033/T1033.yaml
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'EXECVE'
        a0:
            - 'users'
            - 'w'
            - 'who'
    condition: selection
falsepositives:
    - Admin activity
level: low
tags:
    - attack.discovery
    - attack.t1033