Anomalous Kernel Module Activity

Elastic Stack Serverless Security

Looks for unusual kernel module activity. Kernel modules are sometimes used by malware and persistence mechanisms for stealth.

Rule type: machine_learning

Rule indices: None

Severity: low

Risk score: 21

Runs every: 15m

Searches indices from: now-45m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

• Elastic
• Host
• Linux
• Threat Detection
• ML

Version: 4

Rule authors:

• Elastic

Rule license: Elastic License v2

Framework: MITRE ATT&CKTM

• 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/