Possible Screen Capture - macOS (via process_creation)
This rule detects attempts to use screencapture to collect macOS screenshots
SigmalowmacOSv1
sigma
possible-screen-capture-macos-via-process-creation
title: Possible Screen Capture - macOS (via process_creation)
id: 6a8df5e5-0132-5bb4-9a45-c2462347bb9c
status: stable
description: This rule detects attempts to use screencapture to collect macOS screenshots
references:
- https://attack.mitre.org/techniques/T1113/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1113/T1113.md
- https://github.com/EmpireProject/Empire/blob/08cbd274bef78243d7a8ed6443b8364acd1fc48b/lib/modules/python/collection/osx/screenshot.py
author: Huntrule Team
date: 2026-06-16
tags:
- attack.collection
- attack.t1113
logsource:
product: macos
category: process_creation
detection:
selection:
Image: '/usr/sbin/screencapture'
condition: selection
falsepositives:
- Unknown
level: low
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.