Sigma rule: Disk Image Mounting Via Hdiutil - MacOS

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e60f9241e003, updated 2024-08-10T00:00:00.000Z.

Rule

Title
Disk Image Mounting Via Hdiutil - MacOS
Status
test
Level
medium
Author
Omar Khaled (@beacon_exe)
Date
2024-08-10
File
rules/macos/process_creation/proc_creation_macos_hdiutil_mount.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of the hdiutil utility in order to mount disk images.

Log source

product
macos
category
process_creation

Detection

selection:
    Image|endswith: /hdiutil
    CommandLine|contains:
        - 'attach '
        - 'mount '
condition: selection

False positives (as the rule lists them)

  • Legitimate usage of hdiutil by administrators and users.

Tags

  • attack.initial-access
  • attack.collection
  • attack.t1566.001
  • attack.t1560.001

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_hdiutil_mount.yml

Sources and licences

  • SigmaHQ

    "Disk Image Mounting Via Hdiutil - MacOS" by Omar Khaled (@beacon_exe) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_hdiutil_mount.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Disk Image Mounting Via Hdiutil - MacOS",
entity page, dataset version ref-e60f9241e003, updated 2024-08-10T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/bf241472-f014-4f01-a869-96f99330ca8c (accessed 2026-11-03).
Underlying source: SigmaHQ rule bf241472-f014-4f01-a869-96f99330ca8c, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.