Disk Image Creation Via Hdiutil - MacOS

Detects the execution of the hdiutil utility in order to create a disk image.

Sigma rule (View on GitHub)

 1title: Disk Image Creation Via Hdiutil - MacOS
 2id: 1cf98dc2-fcb0-47c9-8aea-654c9284d1ae
 3status: experimental
 4description: Detects the execution of the hdiutil utility in order to create a disk image.
 5references:
 6    - https://www.loobins.io/binaries/hdiutil/
 7    - https://www.sentinelone.com/blog/from-the-front-linesunsigned-macos-orat-malware-gambles-for-the-win/
 8    - https://ss64.com/mac/hdiutil.html
 9author: Omar Khaled (@beacon_exe)
10date: 2024-08-10
11tags:
12    - attack.exfiltration
13logsource:
14    product: macos
15    category: process_creation
16detection:
17    selection:
18        Image|endswith: /hdiutil
19        CommandLine|contains: 'create'
20    condition: selection
21falsepositives:
22    - Legitimate usage of hdiutil by administrators and users.
23level: medium

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