Guest Account Enabled Via Sysadminctl

Detects attempts to enable the guest account using the sysadminctl utility

title: Guest Account Enabled Via Sysadminctl
id: d7329412-13bd-44ba-a072-3387f804a106
status: test
description: Detects attempts to enable the guest account using the sysadminctl utility
references:
    - https://ss64.com/osx/sysadminctl.html
author: Sohan G (D4rkCiph3r)
date: 2023-02-18
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.initial-access
    - attack.stealth
    - attack.t1078
    - attack.t1078.001
logsource:
    category: process_creation
    product: macos
detection:
    selection:
        Image|endswith: '/sysadminctl'
        CommandLine|contains|all:
            # By default the guest account is not active
            - ' -guestAccount'
            - ' on'
    condition: selection
falsepositives:
    - Unknown
level: low

• T1078Valid Accounts
• T1078.001Default Accounts

• https://ss64.com/osx/sysadminctl.html↗