Enumeration of Kernel Modules

Elastic Stack Serverless Security

Loadable Kernel Modules (or LKMs) are pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel without the need to reboot the system. This identifies attempts to enumerate information about a kernel module.

Rule type: query

Rule indices:

auditbeat-*
logs-endpoint.events.*
endgame-*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (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
Discovery
Elastic Endgame

Version: 102

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

		event.category:process and event.type:(start or process_started) and
  process.args:(kmod and list and sudo or sudo and (depmod or lsmod or modinfo))

Framework: MITRE ATT&CKTM

Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: System Information Discovery
- ID: T1082
- Reference URL: https://attack.mitre.org/techniques/T1082/