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:2906
# The Windows dialog box title for the legal banner must be configured.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# Legal Notice Caption - US Department of Defense Warning Statement
# 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('LegalNoticeCaption').ToString()]) -eq 'reg_sz') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'LegalNoticeCaption' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'LegalNoticeCaption') -match '^U\.?S\.? D(EPARTMENT|epartment) (OF|Of|of) D(EFENSE|efense) W(ARNING|arning) S(TATEMENT|tatement)$'))
}
# Legal Notice Caption - DoD Notice and Consent Banner
# registry_object (registry_test)
function test_2 {
return (((@{String='reg_sz';ExpandString='reg_expand_sz';Binary='reg_binary';DWord='reg_dword';MultiString='reg_multi_sz';QWord='reg_qword';None='reg_none'}[(Get-Item -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System').GetValueKind('LegalNoticeCaption').ToString()]) -eq 'reg_sz') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'LegalNoticeCaption' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'LegalNoticeCaption') -match '^D(oD|OD) N(otice|OTICE) (and|AND|And) C(onsent|ONSENT) B(anner|ANNER)$'))
}
if ((test_1 -or test_2)) {
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:2906
$titles = @("^U\\.?S\\.? D(EPARTMENT|epartment) (OF|Of|of) D(EFENSE|efense) W(ARNING|arning) S(TATEMENT|tatement)$", "^D(oD|OD) N(otice|OTICE) (and|AND|And) C(onsent|ONSENT) B(anner|ANNER)$")
$path = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System"
if (Test-Path $path) {
foreach ($title in $titles) {
if ((Get-ItemProperty -Path $path -Name "LegalNoticeCaption" -ErrorAction SilentlyContinue).LegalNoticeCaption -match $title) {
Write-Output "PASS"
Exit 0
}
}
}
Write-Output "FAIL"
Exit 1