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:3876
# Disable the Mapper I/O Driver.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# Verifies AllowLLTDIOOnDomain value equals 0
# 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\Policies\Microsoft\Windows\LLTD').GetValueKind('AllowLLTDIOOnDomain').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\LLTD' -Name 'AllowLLTDIOOnDomain' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'AllowLLTDIOOnDomain') -eq 0))
}
# Verifies AllowLLTDIOOnPublicNet value equals 0
# registry_object (registry_test)
function test_2 {
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\Policies\Microsoft\Windows\LLTD').GetValueKind('AllowLLTDIOOnPublicNet').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\LLTD' -Name 'AllowLLTDIOOnPublicNet' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'AllowLLTDIOOnPublicNet') -eq 0))
}
# Verifies EnableLLTDIO value equals 0
# registry_object (registry_test)
function test_3 {
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\Policies\Microsoft\Windows\LLTD').GetValueKind('EnableLLTDIO').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\LLTD' -Name 'EnableLLTDIO' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'EnableLLTDIO') -eq 0))
}
# Verifies ProhibitLLTDIOOnPrivateNet value equals 0
# 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\Policies\Microsoft\Windows\LLTD').GetValueKind('ProhibitLLTDIOOnPrivateNet').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\LLTD' -Name 'ProhibitLLTDIOOnPrivateNet' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'ProhibitLLTDIOOnPrivateNet') -eq 0))
}
if ((test_1 -and test_2 -and test_3 -and test_4)) {
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_7 target this check assesses.
# OVAL Definition: oval:mil.disa.fso.windows:def:3876
$registryPath = "HKLM:\Software\Policies\Microsoft\Windows\LLTD"
$values = @("AllowLLTDIOOnDomain", "AllowLLTDIOOnPublicNet", "EnableLLTDIO", "ProhibitLLTDIOOnPrivateNet")
foreach ($value in $values) {
if (Test-Path "$registryPath\$value") {
$regValue = (Get-ItemProperty -Path "$registryPath\$value").$value
if ($regValue -ne 0) { Write-Host "FAIL"; exit 1 }
} else { continue }
}
Write-Host "PASS"; exit 0