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Enable-DoH.ps1
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Enable-DoH.ps1
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<#
.NAME
Enable-DoH
.SYNOPSIS
This cmdlet modifies the registry to enable DNS over HTTPS for all apps in Windows 10 versions 19628+
.PARAMETER Restart
If this parameter is defined the executioner will be prompted to restart the computer to fully apply the change.
.EXAMPLE
.EXAMPLE 1
C:\PS> Enable-DoH
This example enables DNS over HTPS on a windows machine.
.EXAMPLE 2
C:\PS> Enable-DoH -Restart
This example enables DNS over HTTPS on a Windows machines and then restarts the computer after the runner confirms
EXAMPLE 3
C:\PS> Enable-DoH -Undo -Restart
This example disable DNS over HTTPS on a Windows machine and restarts the computer after the runner confirms
.NOTES
Author: Robert H. Osborne
Alias: tobor
Contact: [email protected]
.LINK
https://osbornepro.com
https://writeups.osbornepro.com
https://github.com/tobor88
https://gitlab.com/tobor88
https://www.powershellgallery.com/profiles/tobor
https://www.linkedin.com/in/roberthosborne/
https://www.credly.com/users/roberthosborne/badges
https://www.hackthebox.eu/profile/52286
.INPUTS
None
.OUTPUTS
None
#>
Function Enable-DoH {
[CmdletBinding()]
param(
[Parameter(
Mandatory=$False)] # End Parameter
[Switch][Bool]$Restart,
[Parameter(
Mandatory=$False)] # End Parameter
[Switch][Bool]$Undo
) # End param
If (((Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\").EnableAutoDOH) -eq 2)
{
Write-Output "[*] DNS over HTTPS is already configured on $env:COMPUTERNAME"
} # End If
If ($PSBoundParameters.Keys -eq 'Undo')
{
Write-Verbose "[*] Removing registry item that enables the use of DNS over HTTPS for all Windows Applications"
Remove-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" -Name EnableAutoDOH -Force
} # End If
Else
{
Write-Verbose "[*] Enabling DNS over HTTPS for all Windows applications"
New-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters" -Name EnableAutoDOH -PropertyType DWORD -Value 2 -Force
} # End Else
If ($PSBoundParameters.Keys -eq 'Restart')
{
Restart-Computer -Confirm
} # End If
} # End Function Enable-DoH
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# SIG # End signature block