46 lines
1.6 KiB
YAML
46 lines
1.6 KiB
YAML
title: Suspicious Keyboard Layout Load
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author: Florian Roth
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date: 2019/10/12
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description: Detects the keyboard preload installation with a suspicious keyboard
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layout, e.g. Chinese, Iranian or Vietnamese layout load in user session on systems
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maintained by US staff only
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detection:
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SELECTION_1:
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EventID: 12
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SELECTION_2:
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EventID: 13
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SELECTION_3:
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EventID: 14
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SELECTION_4:
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TargetObject: '*\Keyboard Layout\Preload\\*'
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SELECTION_5:
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TargetObject: '*\Keyboard Layout\Substitutes\\*'
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SELECTION_6:
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Details: '*00000429*'
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SELECTION_7:
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Details: '*00050429*'
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SELECTION_8:
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Details: '*0000042a*'
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and (SELECTION_4 or SELECTION_5)
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and (SELECTION_6 or SELECTION_7 or SELECTION_8))
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falsepositives:
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- Administrators or users that actually use the selected keyboard layouts (heavily
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depends on the organisation's user base)
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id: 34aa0252-6039-40ff-951f-939fd6ce47d8
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level: medium
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logsource:
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category: registry_event
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definition: 'Requirements: Sysmon config that monitors \Keyboard Layout\Preload
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subkey of the HKLU hives - see https://github.com/SwiftOnSecurity/sysmon-config/pull/92/files'
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product: windows
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modified: 2019/10/15
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references:
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- https://renenyffenegger.ch/notes/Windows/registry/tree/HKEY_CURRENT_USER/Keyboard-Layout/Preload/index
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- https://github.com/SwiftOnSecurity/sysmon-config/pull/92/files
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tags:
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- attack.resource_development
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- attack.t1588.002
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yml_filename: sysmon_suspicious_keyboard_layout_load.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/registry_event
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