Attempt to Unload Elastic Endpoint Security Kernel Extension

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Attempt to Unload Elastic Endpoint Security Kernel Extension

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Identifies attempts to unload the Elastic Endpoint Security kernel extension via the kextunload command.

Rule type: query

Rule indices:

auditbeat-*
logs-endpoint.events.*

Severity: high

Risk score: 73

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

Elastic
Host
macOS
Threat Detection
Defense Evasion

Version: 1

Added (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

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event.category:process and event.type:(start or process_started) and
process.name:kextunload and
process.args:("/System/Library/Extensions/EndpointSecurity.kext" or
"EndpointSecurity.kext")

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/

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