SV-226334r794680: The shutdown option must not be available from the logon dialog box. | Microsoft Windows Server 2012/2012 R2 Domain Controller STIG SCAP Benchmark

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Assessment Title

Rule Text

The shutdown option must not be available from the logon dialog box.

Description

Discussion Text

Displaying the shutdown button may allow individuals to shut down a system anonymously. Only authenticated users should be allowed to shut down the system. Preventing display of this button in the logon dialog box ensures that individuals who shut down the system are authorized and tracked in the system's Security event log.

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

IA Controls

NIST SP 800-53

Not mappedCCI-000366CCE-25100-9SV-52840V-1075

References

DPMS Target Microsoft Windows Server 2012-2012 R2 DC DISA DPMS Target Microsoft Windows Server 2012-2012 R2 DC 4217

Checks

OVAL

oval:mil.disa.fso.windows:var:459900 ← xccdf_mil.disa.stig_value_shutdown_allow_system_shutdown_without_having_logon_var

DISA STIG (Manual Reference)

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: ShutdownWithoutLogon

Value Type: REG_DWORD
Value: 0

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:4599
# The shutdown option must not be available from the logon dialog box.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# Verifies 'Shutdown: Allow system to be shutdown without having to log on' is set to 'Disabled'
# registry_object (registry_test)
function test_1 {
  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('ShutdownWithoutLogon').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'ShutdownWithoutLogon' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'ShutdownWithoutLogon') -eq 0))
}

if (test_1) {
  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 ms_windows_2012_and_2012_r2_dc target this check assesses.

# OVAL Definition: oval:mil.disa.fso.windows:def:4599
$shutdownWithoutLogonPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ShutdownWithoutLogon"
$shutdownWithoutLogonValue = 0
if (-not (Test-Path $shutdownWithoutLogonPath)) { exit 1 }
$shutdownWithoutLogon = (Get-ItemProperty -Path $shutdownWithoutLogonPath).ShutdownWithoutLogon
if ($shutdownWithoutLogon -eq $shutdownWithoutLogonValue) { exit 0 } else { exit 1 }

Remediation

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Shutdown: Allow system to be shutdown without having to log on" to "Disabled".