Sigma rule: Gatekeeper Bypass via Xattr

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-feb57712de66, updated 2024-04-18T00:00:00.000Z.

Rule

Title: Gatekeeper Bypass via Xattr
Status: test
Level: low
Author: Daniil Yugoslavskiy, oscd.community
Date: 2020-10-19
Modified: 2024-04-18
File: rules/macos/process_creation/proc_creation_macos_xattr_gatekeeper_bypass.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects macOS Gatekeeper bypass via xattr utility

Log source

product: macos
category: process_creation

Detection

selection:
    Image|endswith: '/xattr'
    CommandLine|contains|all:
        - '-d'
        - 'com.apple.quarantine'
condition: selection

False positives (as the rule lists them)

Legitimate activities

MITRE ATT&CK ids this rule names

T1553.001

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_xattr_gatekeeper_bypass.yml

Sources and licences

SigmaHQ
"Gatekeeper Bypass via Xattr" by Daniil Yugoslavskiy, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_xattr_gatekeeper_bypass.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: Gatekeeper Bypass via Xattr",
entity page, dataset version ref-feb57712de66, updated 2024-04-18T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f5141b6d-9f42-41c6-a7bf-2a780678b29b (accessed 2026-11-03).
Underlying source: SigmaHQ rule f5141b6d-9f42-41c6-a7bf-2a780678b29b, 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.