Possible Setuid and Setgid (via process_creation)

title: Possible Setuid and Setgid (via process_creation)
id: d35810fc-3556-5630-8443-223db7069165
status: stable
description: This rule detects anomalous change of file privileges with chown and chmod commands
references:
    - https://attack.mitre.org/techniques/T1548/001/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1548.001/T1548.001.md
author: Huntrule Team
date: 2026-04-04
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1548.001
logsource:
    product: linux
    category: process_creation
detection:
    selection_root:
        CommandLine|contains: 'chown root'
    selection_perm:
        CommandLine|contains:
            - ' chmod u+s'
            - ' chmod g+s'
    condition: all of selection_*
falsepositives:
    - Unknown
level: low