Persistence via Kernel Module Modification

Identifies loadable kernel module errors, which are often indicative of potential persistence attempts.

Rule type: query
Rule indices:

• auditbeat-*
• logs-endpoint.events.*

Rule Severity: low
Risk Score: 21
Runs every:
Searches indices from: now-9m
Maximum alerts per execution: 100
References:

• https://www.hackers-arise.com/single-post/2017/11/03/Linux-for-Hackers-Part-10-Loadable-Kernel-Modules-LKM

Tags:

• Elastic
• Host
• Linux
• Threat Detection
• Persistence

Version: 100
Rule authors:

• Elastic

Rule license: Elastic License v2

event.category:process and event.type:(start or process_started) and process.name:(insmod or kmod or modprobe or rmod)
		

Framework: MITRE ATT&CK

• Tactic:

  • Name: Persistence
  • Id: TA0003
  • Reference URL: https://attack.mitre.org/tactics/TA0003/

• Technique:

  • Name: Boot or Logon Autostart Execution
  • Id: T1547
  • Reference URL: https://attack.mitre.org/techniques/T1547/

• Sub Technique:

  • Name: Kernel Modules and Extensions
  • Id: T1547.006
  • Reference URL: https://attack.mitre.org/techniques/T1547/006/