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

67 lines
2.6 KiB
YAML

name: Disabling FolderOptions Windows Feature
id: 83776de4-921a-11eb-868a-acde48001122
version: 2
date: '2022-01-28'
author: Teoderick Contreras, Splunk
status: production
type: TTP
description: This search is to identify registry modification to disable folder options
feature of windows to show hidden files, file extension and etc. This technique
used by malware in combination if disabling show hidden files feature to hide their
files and also to hide the file extension to lure the user base on file icons or
fake file extensions.
data_source:
- Sysmon Event ID 13
search:
selection1:
Details: '0x00000001'
TargetObject: '*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\NoFolderOptions'
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: 50
impact: 50
message: The Windows Folder Options, to hide files, was disabled on $dest$ by $user$.
mitre_attack_id:
- T1562.001
- T1562
observable:
- name: user
type: User
role:
- Victim
- name: dest
type: Hostname
role:
- Victim
product:
- Splunk Enterprise
- Splunk Enterprise Security
- Splunk Cloud
risk_score: 25
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