title: Systemd Service Creation
id: 1bac86ba-41aa-4f62-9d6b-405eac99b485
status: test
description: Detects a creation of systemd services which could be used by adversaries to execute malicious code.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md
author: 'Pawel Mazur'
date: 2022-02-03
modified: 2022-02-06
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1543.002
logsource:
    product: linux
    service: auditd
detection:
    path:
        type: 'PATH'
        nametype: 'CREATE'
    name_1:
        name|startswith:
            - '/usr/lib/systemd/system/'
            - '/etc/systemd/system/'
    name_2:
        name|contains: '/.config/systemd/user/'
    condition: path and 1 of name_*
falsepositives:
    - Admin work like legit service installs.
level: medium

title: Service Reload or Start - Linux
id: 2625cc59-0634-40d0-821e-cb67382a3dd7
status: test
description: Detects the start, reload or restart of a service.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md
author: Jakob Weinzettl, oscd.community, CheraghiMilad
date: 2019-09-23
modified: 2025-03-03
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1543.002
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'EXECVE'
        a0|contains:
            - 'systemctl'
            - 'service'
        a1|contains:
            - 'reload'
            - 'start'
    condition: selection
falsepositives:
    - Installation of legitimate service.
    - Legitimate reconfiguration of service.
    - Command line contains daemon-reload.
level: low