GUI Input Capture - macOS — Sigma Rule

Rule metadata and linked tags

Author: remotephone, oscd.community. Source status: test; severity: low. Source dates: 2020-10-13 / 2025-12-05.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f88a09d358f44d106e39197b58b8ffc6f3428680e2c9d4babc7dbc20ca17d01c

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: GUI Input Capture - macOS
id: 60f1ce20-484e-41bd-85f4-ac4afec2c541
status: test
description: Detects attempts to use system dialog prompts to capture user credentials
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1056.002/T1056.002.md
    - https://scriptingosx.com/2018/08/user-interaction-from-bash-scripts/
author: remotephone, oscd.community
date: 2020-10-13
modified: 2025-12-05
tags:
    - attack.collection
    - attack.credential-access
    - attack.t1056.002
logsource:
    product: macos
    category: process_creation
detection:
    selection_img:
        Image|endswith: '/osascript'
    selection_cli_1:
        CommandLine|contains|all:
            - '-e'
            - 'display'
            - 'dialog'
            - 'answer'
    selection_cli_2:
        CommandLine|contains:
            - 'admin'
            - 'administrator'
            - 'authenticate'
            - 'authentication'
            - 'credentials'
            - 'pass'
            - 'password'
            - 'unlock'
    condition: all of selection_*
falsepositives:
    - Legitimate administration tools and activities
level: low

Original YAML and metadata in JSON

False positives

• Legitimate administration tools and activities

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1056.002/T1056.002.md
• https://scriptingosx.com/2018/08/user-interaction-from-bash-scripts/