Potential Persistence Via PlistBuddy — Sigma Rule

Rule metadata and linked tags

Author: Sohan G (D4rkCiph3r). Source status: test; severity: high. Source dates: 2023-02-18 / not supplied.

{
  "category": "process_creation",
  "product": "macos"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: cfe2a9226062ec326cc0b8587d94e9e61c5a7050ba71cd4e359d882c05438526

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Potential Persistence Via PlistBuddy
id: 65d506d3-fcfe-4071-b4b2-bcefe721bbbb
status: test
description: Detects potential persistence activity using LaunchAgents or LaunchDaemons via the PlistBuddy utility
references:
    - https://redcanary.com/blog/clipping-silver-sparrows-wings/
    - https://www.manpagez.com/man/8/PlistBuddy/
author: Sohan G (D4rkCiph3r)
date: 2023-02-18
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1543.001
    - attack.t1543.004
logsource:
    category: process_creation
    product: macos
detection:
    selection:
        Image|endswith: '/PlistBuddy'
        CommandLine|contains|all:
            - 'RunAtLoad'
            - 'true'
        CommandLine|contains:
            - 'LaunchAgents'
            - 'LaunchDaemons'
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://redcanary.com/blog/clipping-silver-sparrows-wings/
• https://www.manpagez.com/man/8/PlistBuddy/