SV-29448r2: The classic logon screen must be required for user logons. | Windows Vista Security Technical Implementation Guide

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Assessment Title

Rule Text

The classic logon screen must be required for user logons.

Description

Discussion Text

The classic logon screen requires users to enter a logon name and password to access a system. The simple logon screen or Welcome screen displays usernames for selection, providing part of the necessary logon information.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000366CCE-4813-2

Additional Details

Responsibility

System Administrator

References

DPMS Target Windows Vista DISA DPMS Target Windows Vista 1029

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

# Windows PowerShell
# Reconstructed from oval:mil.disa.fso.windows:def:535
# The classic logon screen must be required for user logons.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# registry_object (registry_test)
function test_1 {
  return (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\system' -Name 'LogonType' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'LogonType') -eq 0)
}
# registry_object (registry_test)
function test_2 {
  return (-not ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\system' -Name 'LogonType')))
}
# registry_object (registry_test)
function test_3 {
  return ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\system' -Name 'LogonType'))
}
# registry_object (registry_test)
function test_4 {
  return ((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\system').GetValueKind('LogonType').ToString()]) -eq 'reg_dword')
}
# registry_object (registry_test)
function test_5 {
  return (-not ($null -ne (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\system' -Name 'LogonType')))
}
# Test for domain system.
# registry_object (registry_test)
function test_6 {
  return (((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\TCPIP\Parameters').GetValueKind('Domain').ToString()]) -eq 'reg_sz') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\TCPIP\Parameters' -Name 'Domain' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'Domain') -eq ''))
}

if ((((test_1 -or test_2) -and test_3 -and (test_4 -or test_5)) -or test_6)) {
  Write-Output "PASS"
} else {
  Write-Output "FAIL"
}

Assessment Script Powered by AISyntax-verified

A standalone PowerShell script to assess this control automatically. Review before running it in your environment.

Syntax-checked as valid PowerShell. Not executed here — running it for real needs the actual windows_vista target this check assesses.

# oval:mil.disa.fso.windows:def:535
if (!(Get-CimInstance -ClassName Win32_ComputerSystem).DomainName || (Get-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\system" -ErrorAction SilentlyContinue).LogonType -eq 0) { Write-Output "PASS"; exit 0 } else { Write-Output "FAIL"; exit 1 }

Remediation

If the system is a member of a domain, this is NA.
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Logon -> "Always use classic logon" to "Enabled".