Suspicious Keyboard Layout Load

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About the rule

Rule Type

Standard

Rule Description

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

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "\Keyboard Layout\Preload\,\Keyboard Layout\Substitutes" OR ((OBJECTNAME endswith "\Keyboard Layout\Preload" AND isExist(OBJECTVALUENAME)) OR (OBJECTNAME endswith "\Keyboard Layout\Substitutes" AND isExist(OBJECTVALUENAME)))) AND INFORMATION contains "00000429,00050429,0000042a" select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)