mirror of
https://github.com/splunk/security_content
synced 2026-06-08 17:32:49 +00:00
P4T12ICK
70 lines
2.0 KiB
YAML
70 lines
2.0 KiB
YAML
name: Linux Kernel Module Enumeration
|
|
id: 6df99886-0e04-4c11-8b88-325747419278
|
|
version: 1
|
|
date: '2022-07-27'
|
|
author: Michael Haag, Splunk
|
|
status: production
|
|
type: Anomaly
|
|
description: The following analytic identifies the process kmod being utilized to
|
|
list kernel modules in use. Typically, this is not seen as malicious, however it
|
|
may be a precurser to the use of insmod to install a module.
|
|
data_source:
|
|
- Sysmon Event ID 1
|
|
search:
|
|
selection1:
|
|
CommandLine:
|
|
- '*lsmod*'
|
|
- '*list*'
|
|
Image|endswith: kmod
|
|
condition: selection1
|
|
how_to_implement: To successfully implement this search you need to be ingesting information
|
|
on process that include the name of the process responsible for the changes from
|
|
your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition,
|
|
confirm the latest CIM App 4.20 or higher is installed and the latest TA for the
|
|
endpoint product.
|
|
known_false_positives: False positives are present based on automated tooling or system
|
|
administrative usage. Filter as needed.
|
|
references:
|
|
- https://man7.org/linux/man-pages/man8/kmod.8.html
|
|
tags:
|
|
analytic_story:
|
|
- Linux Rootkit
|
|
asset_type: Endpoint
|
|
confidence: 50
|
|
impact: 30
|
|
message: An instance of $parent_process_name$ spawning $process_name$ was identified
|
|
on endpoint $dest$ by user $user$ enumeration kernel modules.
|
|
mitre_attack_id:
|
|
- T1082
|
|
- T1014
|
|
observable:
|
|
- name: user
|
|
type: User
|
|
role:
|
|
- Victim
|
|
- name: dest
|
|
type: Hostname
|
|
role:
|
|
- Victim
|
|
- name: parent_process_name
|
|
type: Process
|
|
role:
|
|
- Parent Process
|
|
- name: process_name
|
|
type: Process
|
|
role:
|
|
- Child Process
|
|
product:
|
|
- Splunk Enterprise
|
|
- Splunk Enterprise Security
|
|
- Splunk Cloud
|
|
risk_score: 15
|
|
security_domain: endpoint
|
|
tests:
|
|
- name: True Positive Test
|
|
attack_data:
|
|
- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1082/atomic_red_team/linux-sysmon.log
|
|
source: Syslog:Linux-Sysmon/Operational
|
|
sourcetype: sysmon_linux
|
|
update_timestamp: true
|