Local administrator accounts must have their privileged token filtered to prevent elevated privileges from being used over the network on domain systems.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-36439	WN12-RG-000003	SV-51590r1_rule	ECLP-1	Medium

Description
A compromised local administrator account can provide means for an attacker to move laterally between domain systems. With User Account Control enabled, filtering the privileged token for local administrator accounts will prevent the elevated privileges of these accounts from being used over the network.

STIG	Date
Windows Server 2012 Member Server Security Technical Implementation Guide	2014-01-07

Details

Check Text ( C-46849r1_chk )

If the system is not a member of a domain, this is NA. If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System Value Name: LocalAccountTokenFilterPolicy Type: REG_DWORD Value: 0 This setting may cause issues with some network scanning tools if local administrative accounts are used remotely. Scans should use domain accounts where possible. If a local administrative account must be used, temporarily enabling the privileged token by configuring the registry value to 1 may be required.

Fix Text (F-44715r1_fix)
Configure the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System Value Name: LocalAccountTokenFilterPolicy Type: REG_DWORD Value: 0