sigmamediumHunting

Systemd Service Creation

Detects a creation of systemd services which could be used by adversaries to execute malicious code.

MITRE ATT&CK

privilege-escalationpersistence

Detection Query

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_*

Author

Pawel Mazur

Created

2022-02-03

Data Sources

linuxauditd

Platforms

linux

References

https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1543.002/T1543.002.md

Tags

attack.privilege-escalationattack.persistenceattack.t1543.002

Raw Content

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