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splunk-security_content/dev/endpoint/disable_registry_tool.yml
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2023-01-20 13:24:15 +01:00

63 lines
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YAML

name: Disable Registry Tool
id: cd2cf33c-9201-11eb-a10a-acde48001122
version: 2
date: '2022-01-27'
author: Teoderick Contreras, Splunk
status: production
type: TTP
description: This search identifies modification of registry to disable the regedit
or registry tools of the windows operating system. Since registry tool is a swiss
knife in analyzing registry, malware such as RAT or trojan Spy disable this application
to prevent the removal of their registry entry such as persistence, file less components
and defense evasion.
data_source:
- Sysmon Event ID 13
search:
selection1:
Details: '0x00000001'
TargetObject: '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\DisableRegistryTools'
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 `Registry` node. Also make sure
that this registry was included in your config files ex. sysmon config to be monitored.
known_false_positives: admin may disable this application for non technical user.
references:
- https://any.run/report/ea4ea08407d4ee72e009103a3b77e5a09412b722fdef67315ea63f22011152af/a866d7b1-c236-4f26-a391-5ae32213dfc4#registry
tags:
analytic_story:
- Windows Defense Evasion Tactics
- Windows Registry Abuse
asset_type: Endpoint
confidence: 100
impact: 40
message: Disabled Registry Tools on $dest$
mitre_attack_id:
- T1562.001
- T1562
observable:
- name: dest
type: Endpoint
role:
- Victim
product:
- Splunk Enterprise
- Splunk Enterprise Security
- Splunk Cloud
risk_score: 40
security_domain: endpoint
tests:
- name: True Positive Test
attack_data:
- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-security.log
source: WinEventLog:Security
sourcetype: WinEventLog
update_timestamp: true
- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-system.log
source: WinEventLog:System
sourcetype: WinEventLog
update_timestamp: true
- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1562.001/win_app_defender_disabling/windows-sysmon.log
source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
sourcetype: xmlwineventlog