Core/Remove-CommonWDACConfig.psm1
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Function Remove-CommonWDACConfig { [CmdletBinding( SupportsShouldProcess = $true, PositionalBinding = $false, ConfirmImpact = 'High' )] [OutputType([System.String])] Param( [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$CertCN, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$CertPath, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$SignToolPath, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$UnsignedPolicyPath, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$SignedPolicyPath, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$StrictKernelPolicyGUID, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$StrictKernelNoFlightRootsPolicyGUID, [parameter(Mandatory = $false, DontShow = $true)][System.Management.Automation.SwitchParameter]$LastUpdateCheck, [parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$StrictKernelModePolicyTimeOfDeployment, [Parameter(Mandatory = $false)][System.Management.Automation.SwitchParameter]$Force ) begin { $PSBoundParameters.Verbose.IsPresent ? ([System.Boolean]$Verbose = $true) : ([System.Boolean]$Verbose = $false) | Out-Null . "$ModuleRootPath\CoreExt\PSDefaultParameterValues.ps1" # Create User configuration folder if it doesn't already exist if (-NOT (Test-Path -Path (Split-Path -Path $UserConfigJson -Parent))) { New-Item -ItemType Directory -Path (Split-Path -Path $UserConfigJson -Parent) -Force | Out-Null Write-Verbose -Message 'The WDACConfig folder in Program Files has been created because it did not exist.' } # Create User configuration file if it doesn't already exist if (-NOT (Test-Path -Path $UserConfigJson)) { New-Item -ItemType File -Path (Split-Path -Path $UserConfigJson -Parent) -Name (Split-Path -Path $UserConfigJson -Leaf) -Force | Out-Null Write-Verbose -Message 'The UserConfigurations.json file has been created because it did not exist.' } # Detecting if Confirm switch is used to bypass the confirmation prompts if ($Force -and -Not $Confirm) { $ConfirmPreference = 'None' } # Delete the entire User Configs if a more specific parameter wasn't used # This method is better than $PSBoundParameters since it also contains common parameters if (!$CertCN -And !$CertPath -And !$SignToolPath -And !$UnsignedPolicyPath -And !$SignedPolicyPath -And !$StrictKernelPolicyGUID -And !$StrictKernelNoFlightRootsPolicyGUID -And !$LastUpdateCheck -And !$StrictKernelModePolicyTimeOfDeployment) { # Prompt for confirmation before deleting the entire User Configurations if ($PSCmdlet.ShouldProcess('This PC', 'Delete the entire User Configurations for WDACConfig module')) { Remove-Item -Path $UserConfigJson -Force Write-Verbose -Message 'User Configurations for WDACConfig module have been deleted.' } # set a boolean value that returns from the Process and End blocks as well [System.Boolean]$ReturnAndDone = $true # Exit the begin block Return } # Read the current user configurations [System.Object[]]$CurrentUserConfigurations = Get-Content -Path $UserConfigJson # If the file exists but is corrupted and has bad values, rewrite it try { $CurrentUserConfigurations = $CurrentUserConfigurations | ConvertFrom-Json } catch { Set-Content -Path $UserConfigJson -Value '' } # A hashtable to hold the User configurations [System.Collections.Hashtable]$UserConfigurationsObject = @{ SignedPolicyPath = '' UnsignedPolicyPath = '' SignToolCustomPath = '' CertificateCommonName = '' CertificatePath = '' StrictKernelPolicyGUID = '' StrictKernelNoFlightRootsPolicyGUID = '' LastUpdateCheck = '' StrictKernelModePolicyTimeOfDeployment = '' } } process { # Exit the process block if ($true -eq $ReturnAndDone) { return } if ($SignedPolicyPath) { Write-Verbose -Message 'Removing the SignedPolicyPath' $UserConfigurationsObject.SignedPolicyPath = '' } else { $UserConfigurationsObject.SignedPolicyPath = $CurrentUserConfigurations.SignedPolicyPath } if ($UnsignedPolicyPath) { Write-Verbose -Message 'Removing the UnsignedPolicyPath' $UserConfigurationsObject.UnsignedPolicyPath = '' } else { $UserConfigurationsObject.UnsignedPolicyPath = $CurrentUserConfigurations.UnsignedPolicyPath } if ($SignToolPath) { Write-Verbose -Message 'Removing the SignToolPath' $UserConfigurationsObject.SignToolCustomPath = '' } else { $UserConfigurationsObject.SignToolCustomPath = $CurrentUserConfigurations.SignToolCustomPath } if ($CertPath) { Write-Verbose -Message 'Removing the CertPath' $UserConfigurationsObject.CertificatePath = '' } else { $UserConfigurationsObject.CertificatePath = $CurrentUserConfigurations.CertificatePath } if ($CertCN) { Write-Verbose -Message 'Removing the CertCN' $UserConfigurationsObject.CertificateCommonName = '' } else { $UserConfigurationsObject.CertificateCommonName = $CurrentUserConfigurations.CertificateCommonName } if ($StrictKernelPolicyGUID) { Write-Verbose -Message 'Removing the StrictKernelPolicyGUID' $UserConfigurationsObject.StrictKernelPolicyGUID = '' } else { $UserConfigurationsObject.StrictKernelPolicyGUID = $CurrentUserConfigurations.StrictKernelPolicyGUID } if ($StrictKernelNoFlightRootsPolicyGUID) { Write-Verbose -Message 'Removing the StrictKernelNoFlightRootsPolicyGUID' $UserConfigurationsObject.StrictKernelNoFlightRootsPolicyGUID = '' } else { $UserConfigurationsObject.StrictKernelNoFlightRootsPolicyGUID = $CurrentUserConfigurations.StrictKernelNoFlightRootsPolicyGUID } if ($LastUpdateCheck) { Write-Verbose -Message 'Removing the LastUpdateCheck' $UserConfigurationsObject.LastUpdateCheck = '' } else { $UserConfigurationsObject.LastUpdateCheck = $CurrentUserConfigurations.LastUpdateCheck } if ($StrictKernelModePolicyTimeOfDeployment) { Write-Verbose -Message 'Removing the Strict Kernel-Mode Policy Time Of Deployment' $UserConfigurationsObject.StrictKernelModePolicyTimeOfDeployment = '' } else { $UserConfigurationsObject.StrictKernelModePolicyTimeOfDeployment = $CurrentUserConfigurations.StrictKernelModePolicyTimeOfDeployment } } end { # Exit the end block if ($true -eq $ReturnAndDone) { return } $UserConfigurationsJSON = $UserConfigurationsObject | ConvertTo-Json try { Write-Verbose -Message 'Validating the JSON against the schema' [System.Boolean]$IsValid = Test-Json -Json $UserConfigurationsJSON -SchemaFile "$ModuleRootPath\Resources\User Configurations\Schema.json" } catch { Write-Warning -Message "$_`nclearing it." Set-Content -Path $UserConfigJson -Value '' -Force } if ($IsValid) { # Update the User Configurations file Write-Verbose -Message 'Saving the changes' $UserConfigurationsJSON | Set-Content -Path $UserConfigJson -Force } else { Throw 'The User Configurations file is not valid.' } } <# .SYNOPSIS Removes common values for parameters used by WDACConfig module .LINK https://github.com/HotCakeX/Harden-Windows-Security/wiki/Remove-CommonWDACConfig .DESCRIPTION Removes common values for parameters used by WDACConfig module from the User Configurations JSON file. If you don't use it with any parameters, then all User Configs will be deleted. .COMPONENT Windows Defender Application Control, ConfigCI PowerShell module, WDACConfig module .FUNCTIONALITY Removes common values for parameters used by WDACConfig module from the User Configurations JSON file. If you don't use it with any parameters, then all User Configs will be deleted. .PARAMETER SignedPolicyPath Removes the SignedPolicyPath from User Configs .PARAMETER UnsignedPolicyPath Removes the UnsignedPolicyPath from User Configs .PARAMETER CertCN Removes the CertCN from User Configs .PARAMETER SignToolPath Removes the SignToolPath from User Configs .PARAMETER CertPath Removes the CertPath from User Configs .PARAMETER StrictKernelPolicyGUID Removes the StrictKernelPolicyGUID from User Configs .PARAMETER StrictKernelNoFlightRootsPolicyGUID Removes the StrictKernelNoFlightRootsPolicyGUID from User Configs .PARAMETER LastUpdateCheck Using DontShow for this parameter which prevents common parameters from being displayed too .PARAMETER StrictKernelModePolicyTimeOfDeployment Removes the StrictKernelModePolicyTimeOfDeployment from User Configs .INPUTS System.Management.Automation.SwitchParameter .OUTPUTS System.String .EXAMPLE Remove-CoreWDACConfig -CertCN .EXAMPLE Remove-CoreWDACConfig -CertPath .EXAMPLE Remove-CoreWDACConfig #> } # 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