Suspicious Disk Image Creation Through Hdiutil - MacOS (via process_creation)
This rule detects the execution of the hdiutil utility to create a disk image.
SigmamediummacOSv1
sigma
suspicious-disk-image-creation-through-hdiutil-macos-via-process-creation
title: Suspicious Disk Image Creation Through Hdiutil - MacOS (via process_creation)
id: 738eef13-a29f-5279-8107-5d07f54363d7
status: stable
description: This rule detects the execution of the hdiutil utility to create a disk image.
references:
- https://www.loobins.io/binaries/hdiutil/
- https://www.sentinelone.com/blog/from-the-front-linesunsigned-macos-orat-malware-gambles-for-the-win/
- https://ss64.com/mac/hdiutil.html
author: Huntrule Team
date: 2026-02-26
tags:
- attack.exfiltration
- attack.collection
- attack.t1560
logsource:
product: macos
category: process_creation
detection:
selection:
Image|endswith: /hdiutil
CommandLine|contains: 'create'
condition: selection
falsepositives:
- Unknown
level: medium
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.