Suspicious Disabling of System Integrity Protection (SIP) (via process_creation)

This rule detects the use of csrutil to disable the Configure System Integrity Protection (SIP). This method is used in post-exploit scenarios.

SigmamediummacOSv1
sigma
title: Suspicious Disabling of System Integrity Protection (SIP) (via process_creation)
id: 6879c937-0cef-5e45-84e7-2ae87b7b930d
status: stable
description: This rule detects the use of csrutil to disable the Configure System Integrity Protection (SIP). This method is used in post-exploit scenarios.
references:
    - https://attack.mitre.org/techniques/T1518/001/
    - https://ss64.com/osx/csrutil.html
    - https://objective-see.org/blog/blog_0x6D.html
    - https://www.welivesecurity.com/2017/10/20/osx-proton-supply-chain-attack-elmedia/
    - https://www.virustotal.com/gui/file/05a2adb266ec6c0ba9ed176d87d8530e71e845348c13caf9f60049760c312cd3/behavior
author: Huntrule Team
date: 2026-04-14
tags:
    - attack.discovery
    - attack.t1518.001
logsource:
    product: macos
    category: process_creation
detection:
    selection:
        Image|endswith: '/csrutil'
        CommandLine|contains: 'disable'
    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.