Suspicious Keyboard Layout Load

Severity: medium
Author: Florian Roth (Nextron Systems)
Source: upstream

Detects the keyboard preload installation with a suspicious keyboard layout, e.g. Chinese, Iranian or Vietnamese layout load in user session on systems maintained by US staff only

MITRE ATT&CK coverage

Tactic	Techniques
Resource Development	`T1588.002` Obtain Capabilities: Tool

Event coverage

Provider	Event ID	Title
Sysmon	13	RegistryEvent (Value Set)

Stages and Predicates

Stage 1: `selection_registry`

or:
Details|contains: 00000429
Details|contains: 0000042a
Details|contains: 00050429
or:
TargetObject|contains: '\Keyboard Layout\Preload\'
TargetObject|contains: '\Keyboard Layout\Substitutes\'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.