RestrictedAdminMode Registry Value Tampering

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About the rule

Rule Type

Standard

Rule Description

Detects changes to the "DisableRestrictedAdmin" registry value in order to disable or enable RestrictedAdmin mode. RestrictedAdmin mode prevents the transmission of reusable credentials to the remote system to which you connect using Remote Desktop. This prevents your credentials from being harvested during the initial connection process if the remote server has been compromise

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND OBJECTNAME endswith "System\CurrentControlSet\Control\Lsa\DisableRestrictedAdmin" OR (OBJECTNAME endswith "System\CurrentControlSet\Control\Lsa" AND OBJECTVALUENAME = "DisableRestrictedAdmin") select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113