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:3840
# Prevent the system from joining a homegroup.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
# Verifies 'Prevent the computer from joining a homegroup' is set to 'Enabled'
# 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\HomeGroup').GetValueKind('DisableHomeGroup').ToString()]) -eq 'reg_dword') -and (((Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\HomeGroup' -Name 'DisableHomeGroup' -ErrorAction SilentlyContinue) | Select-Object -ExpandProperty 'DisableHomeGroup') -eq 1))
}
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 windows_7 target this check assesses.
# OVAL Definition: oval:mil.disa.fso.windows:def:3840
$registryPath = "HKLM:\Software\Policies\Microsoft\Windows\HomeGroup"
if (Test-Path $registryPath) {
$regValue = Get-ItemProperty -Path $registryPath -Name DisableHomeGroup -ErrorAction SilentlyContinue
if ($regValue -and $regValue.DisableHomeGroup -eq 1) {
Write-Output "PASS"
exit 0
}
}
Write-Output "FAIL"
exit 1