DSCResources/MSFT_SentinelAlertRule/MSFT_SentinelAlertRule.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter(Mandatory = $true)] [System.String] $SubscriptionId, [Parameter(Mandatory = $true)] [System.String] $ResourceGroupName, [Parameter(Mandatory = $true)] [System.String] $WorkspaceName, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String] $ProductFilter, [Parameter()] [System.Boolean] $Enabled, [Parameter()] [System.String] $Severity, [Parameter()] [System.String[]] $Tactics, [Parameter()] [System.String[]] $Techniques, [Parameter()] [System.String[]] $SubTechniques, [Parameter()] [System.String] $Query, [Parameter()] [System.String] $QueryFrequency, [Parameter()] [System.String] $QueryPeriod, [Parameter()] [System.String] $TriggerOperator, [Parameter()] [System.UInt32] $TriggerThreshold, [Parameter()] [System.String] $SuppressionDuration, [Parameter()] [System.String] $SuppressionEnabled, [Parameter()] [System.String] $AlertRuleTemplateName, [Parameter()] [System.String[]] $DisplayNamesExcludeFilter, [Parameter()] [System.String[]] $DisplayNamesFilter, [Parameter()] [System.String[]] $SeveritiesFilter, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $EventGroupingSettings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $CustomDetails, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $EntityMappings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $AlertDetailsOverride, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $IncidentConfiguration, [Parameter()] [System.String] $Kind, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) New-M365DSCConnection -Workload 'Azure' ` -InboundParameters $PSBoundParameters | Out-Null #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $nullResult = $PSBoundParameters $nullResult.Ensure = 'Absent' try { if ([System.String]::IsNullOrEmpty($TenantId) -and -not $null -eq $Credential) { $TenantId = $Credential.UserName.Split('@')[1] } if (-not [System.String]::IsNullOrEmpty($Id)) { $instance = Get-M365DSCSentinelAlertRule -SubscriptionId $SubscriptionId ` -ResourceGroupName $ResourceGroupName ` -WorkspaceName $WorkspaceName ` -TenantId $TenantId ` -Id $Id } if ($null -eq $instance) { $instances = Get-M365DSCSentinelAlertRule -SubscriptionId $SubscriptionId ` -ResourceGroupName $ResourceGroupName ` -WorkspaceName $WorkspaceName ` -TenantId $TenantId $instance = $instances | Where-Object -FilterScript { $_.properties.displayName -eq $DisplayName } } if ($null -eq $instance) { return $nullResult } # EventGroupingSettings $EventGroupingValueSettingsValue = $null if ($null -ne $instance.properties.eventGroupingSettings) { $EventGroupingValueSettingsValue = @{ aggregationKind = $instance.properties.eventGroupingSettings.aggregationKind } } # CustomDetails $CustomDetailsValue = @() if ($null -ne $instance.properties.customDetails) { $detailAsHash = @{} $instance.properties.customDetails.psobject.properties | ForEach-Object { $detailAsHash[$_.Name] = $_.Value } foreach ($key in $detailAsHash.Keys) { $CustomDetailsValue += @{ DetailKey = $key DetailValue = $detailAsHash.$key } } } #EntityMappings $EntityMappingsValue = @() if ($null -ne $instance.properties.entityMappings) { foreach ($mapping in $instance.properties.entityMappings) { $entity = @{ entityType = $mapping.entityType fieldMappings = @() } foreach ($fieldMapping in $mapping.fieldMappings) { $entity.fieldMappings += @{ identifier = $fieldMapping.identifier columnName = $fieldMapping.columnName } } $EntityMappingsValue += $entity } } #AlertDetailsOverride if ($null -ne $instance.properties.alertDetailsOverride) { $info = $instance.properties.alertDetailsOverride $AlertDetailsOverrideValue = @{ alertDisplayNameFormat = $info.alertDisplayNameFormat alertDescriptionFormat = $info.alertDescriptionFormat alertDynamicProperties = @() } foreach ($propertyEntry in $info.alertDynamicProperties) { $AlertDetailsOverrideValue.alertDynamicProperties += @{ alertProperty = $propertyEntry.alertProperty alertPropertyValue = $propertyEntry.value } } } #IncidentConfiguration if ($null -ne $instance.properties.incidentConfiguration) { $info = $instance.properties.incidentConfiguration $IncidentConfigurationValue = @{ createIncident = [Boolean]::Parse($info.createIncident.ToString()) groupingConfiguration = @{ enabled = $info.groupingConfiguration.enabled reopenClosedIncident = $info.groupingConfiguration.reopenClosedIncident lookbackDuration = $info.groupingConfiguration.lookbackDuration matchingMethod = $info.groupingConfiguration.matchingMethod groupByEntities = $info.groupingConfiguration.groupByEntities groupByAlertDetails = $info.groupingConfiguration.groupByAlertDetails groupByCustomDetails = $info.groupingConfiguration.groupByCustomDetails } } } $results = @{ ProductFilter = $instance.properties.ProductFilter Enabled = $instance.properties.Enabled Severity = $instance.properties.Severity Tactics = $instance.properties.Tactics Techniques = $instance.properties.Techniques SubTechniques = $instance.properties.SubTechniques Query = $instance.properties.Query QueryFrequency = $instance.properties.QueryFrequency QueryPeriod = $instance.properties.QueryPeriod TriggerOperator = $instance.properties.TriggerOperator TriggerThreshold = $instance.properties.TriggerThreshold SuppressionDuration = $instance.properties.SuppressionDuration SuppressionEnabled = $instance.properties.SuppressionEnabled AlertRuleTemplateName = $instance.properties.AlertRuleTemplateName DisplayNamesExcludeFilter = $instance.properties.DisplayNamesExcludeFilter DisplayNamesFilter = $instance.properties.DisplayNamesFilter SeveritiesFilter = $instance.properties.SeveritiesFilter DisplayName = $instance.properties.displayName EventGroupingSettings = $EventGroupingValueSettingsValue CustomDetails = $CustomDetailsValue EntityMappings = $EntityMappingsValue AlertDetailsOverride = $AlertDetailsOverrideValue IncidentConfiguration = $IncidentConfigurationValue SubscriptionId = $SubscriptionId ResourceGroupName = $ResourceGroupName WorkspaceName = $WorkspaceName Id = $instance.name Kind = $instance.kind Description = $instance.properties.description Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } return [System.Collections.Hashtable] $results } catch { Write-Verbose -Message $_ New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullResult } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter(Mandatory = $true)] [System.String] $SubscriptionId, [Parameter(Mandatory = $true)] [System.String] $ResourceGroupName, [Parameter(Mandatory = $true)] [System.String] $WorkspaceName, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String] $ProductFilter, [Parameter()] [System.Boolean] $Enabled, [Parameter()] [System.String] $Severity, [Parameter()] [System.String[]] $Tactics, [Parameter()] [System.String[]] $Techniques, [Parameter()] [System.String[]] $SubTechniques, [Parameter()] [System.String] $Query, [Parameter()] [System.String] $QueryFrequency, [Parameter()] [System.String] $QueryPeriod, [Parameter()] [System.String] $TriggerOperator, [Parameter()] [System.UInt32] $TriggerThreshold, [Parameter()] [System.String] $SuppressionDuration, [Parameter()] [System.String] $SuppressionEnabled, [Parameter()] [System.String] $AlertRuleTemplateName, [Parameter()] [System.String[]] $DisplayNamesExcludeFilter, [Parameter()] [System.String[]] $DisplayNamesFilter, [Parameter()] [System.String[]] $SeveritiesFilter, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $EventGroupingSettings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $CustomDetails, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $EntityMappings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $AlertDetailsOverride, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $IncidentConfiguration, [Parameter()] [System.String] $Kind, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $currentInstance = Get-TargetResource @PSBoundParameters if ([System.String]::IsNullOrEmpty($TenantId) -and -not $null -eq $Credential) { $TenantId = $Credential.UserName.Split('@')[1] } $instance = @{} if ($Kind -eq 'Fusion') { $instance = @{ kind = $Kind properties = @{ alertRuleTemplateName = $AlertRuleTemplateName enabled = $Enabled } } } elseif ($Kind -eq 'MicrosoftSecurityIncidentCreation') { $instance = @{ kind = $Kind properties = @{ displayName = $DisplayName description = $Description productFilter = $ProductFilter displayNamesExcludeFilter = $DisplayNamesExcludeFilter displayNamesFilter = $DisplayNamesFilter enabled = $Enabled severitiesFilter = $AlertSeverity } } } elseif ($Kind -eq 'Scheduled') { $instance = @{ kind = $Kind properties = @{ displayName = $DisplayName enabled = $Enabled description = $Description query = $Query queryFrequency = $QueryFrequency queryPeriod = $QueryPeriod severity = $Severity suppressionDuration = $SuppressionDuration suppressionEnabled = $SuppressionEnabled triggerOperator = $TriggerOperator triggerThreshold = $TriggerThreshold eventGroupingSettings = @{ aggregationKind = $EventGroupingSettings.aggregationKind } customDetails = @{} alertDetailsOverride = @{ alertDisplayNameFormat = $AlertDetailsOverride.alertDisplayNameFormat alertDescriptionFormat = $AlertDetailsOverride.alertDescriptionFormat alertDynamicProperties = @() } entityMappings = @() incidentConfiguration = @{ createIncident = $IncidentConfiguration.createIncident groupingConfiguration = @{ enabled = $IncidentConfiguration.groupingConfiguration.enabled reopenClosedIncident = $IncidentConfiguration.groupingConfiguration.reopenClosedIncident lookbackDuration = $IncidentConfiguration.groupingConfiguration.lookbackDuration matchingMethod = $IncidentConfiguration.groupingConfiguration.matchingMethod groupByEntities = $IncidentConfiguration.groupingConfiguration.groupByEntities groupByAlertDetails = $IncidentConfiguration.groupingConfiguration.groupByAlertDetails groupByCustomDetails = $IncidentConfiguration.groupingConfiguration.groupByCustomDetails } } productFilter = $ProductFilter displayNamesExcludeFilter = $DisplayNamesExcludeFilter displayNamesFilter = $DisplayNamesFilter severitiesFilter = $AlertSeverity } } foreach ($entity in $EntityMappings) { $entry = @{ entityType = $entity.entityType fieldMappings = @() } foreach ($field in $entity.fieldMappings) { $entry.fieldMappings += @{ identifier = $field.identifier columnName = $field.columnName } } $instance.properties.entityMappings += $entry } foreach ($detail in $CustomDetails) { $instance.properties.customDetails.Add($detail.DetailKey, $detail.DetailValue) } foreach ($dynamicProp in $AlertDetailsOverride.alertDynamicProperties) { $instance.properties.alertDetailsOverride.alertDynamicProperties += @{ alertProperty = $dynamicProp.alertProperty value = $dynamicProp.alertPropertyValue } } } elseif ($Kind -eq 'NRT') { $instance = @{ kind = $Kind properties = @{ displayName = $DisplayName enabled = $Enabled description = $Description query = $Query severity = $Severity suppressionDuration = $SuppressionDuration suppressionEnabled = $SuppressionEnabled eventGroupingSettings = @{ aggregationKind = $EventGroupingSettings.aggregationKind } alertDetailsOverride = @{ alertDisplayNameFormat = $AlertDetailsOverride.alertDisplayNameFormat alertDescriptionFormat = $AlertDetailsOverride.alertDescriptionFormat alertDynamicProperties = @() } entityMappings = @() customDetails = @{} incidentConfiguration = @{ createIncident = $IncidentConfiguration.createIncident groupingConfiguration = @{ enabled = $IncidentConfiguration.groupingConfiguration.enabled reopenClosedIncident = $IncidentConfiguration.groupingConfiguration.reopenClosedIncident lookbackDuration = $IncidentConfiguration.groupingConfiguration.lookbackDuration matchingMethod = $IncidentConfiguration.groupingConfiguration.matchingMethod groupByEntities = $IncidentConfiguration.groupingConfiguration.groupByEntities groupByAlertDetails = $IncidentConfiguration.groupingConfiguration.groupByAlertDetails groupByCustomDetails = $IncidentConfiguration.groupingConfiguration.groupByCustomDetails } } techniques = $Techniques subTechniques = $SubTechniques tactics = $Tactics } } if ($null -eq $EntityMappings -or $EntityMappings.Length -eq 0) { $instance.properties.Remove('entityMappings') | Out-Null } else { foreach ($entity in $EntityMappings) { $entry = @{ entityType = $entity.entityType fieldMappings = @() } foreach ($field in $entity.fieldMappings) { $entry.fieldMappings += @{ identifier = $field.identifier columnName = $field.columnName } } $instance.properties.entityMappings += $entry } } foreach ($detail in $CustomDetails) { $instance.properties.customDetails.Add($detail.DetailKey, $detail.DetailValue) } foreach ($dynamicProp in $AlertDetailsOverride.alertDynamicProperties) { $instance.properties.alertDetailsOverride.alertDynamicProperties += @{ alertProperty = $dynamicProp.alertProperty value = $dynamicProp.alertPropertyValue } } } # CREATE if ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Absent') { Write-Verbose -Message "Creating new Alert Rule {$DisplayName}" New-M365DSCSentinelAlertRule -SubscriptionId $SubscriptionId ` -ResourceGroupName $ResourceGroupName ` -WorkspaceName $WorkspaceName ` -TenantId $TenantId ` -Body $instance } # UPDATE elseif ($Ensure -eq 'Present' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Updating Alert Rule {$DisplayName}" New-M365DSCSentinelAlertRule -SubscriptionId $SubscriptionId ` -ResourceGroupName $ResourceGroupName ` -WorkspaceName $WorkspaceName ` -TenantId $TenantId ` -Body $instance ` -Id $currentInstance.Id } # REMOVE elseif ($Ensure -eq 'Absent' -and $currentInstance.Ensure -eq 'Present') { Write-Verbose -Message "Removing Alert Rule {$DisplayName}" Remove-M365DSCSentinelAlertRule -SubscriptionId $SubscriptionId ` -ResourceGroupName $ResourceGroupName ` -WorkspaceName $WorkspaceName ` -TenantId $TenantId ` -Id $currentInstance.Id } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter(Mandatory = $true)] [System.String] $SubscriptionId, [Parameter(Mandatory = $true)] [System.String] $ResourceGroupName, [Parameter(Mandatory = $true)] [System.String] $WorkspaceName, [Parameter()] [System.String] $Id, [Parameter()] [System.String] $Description, [Parameter()] [System.String] $ProductFilter, [Parameter()] [System.Boolean] $Enabled, [Parameter()] [System.String] $Severity, [Parameter()] [System.String[]] $Tactics, [Parameter()] [System.String[]] $Techniques, [Parameter()] [System.String[]] $SubTechniques, [Parameter()] [System.String] $Query, [Parameter()] [System.String] $QueryFrequency, [Parameter()] [System.String] $QueryPeriod, [Parameter()] [System.String] $TriggerOperator, [Parameter()] [System.UInt32] $TriggerThreshold, [Parameter()] [System.String] $SuppressionDuration, [Parameter()] [System.String] $SuppressionEnabled, [Parameter()] [System.String] $AlertRuleTemplateName, [Parameter()] [System.String[]] $DisplayNamesExcludeFilter, [Parameter()] [System.String[]] $DisplayNamesFilter, [Parameter()] [System.String[]] $SeveritiesFilter, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $EventGroupingSettings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $CustomDetails, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $EntityMappings, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $AlertDetailsOverride, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance] $IncidentConfiguration, [Parameter()] [System.String] $Kind, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $CurrentValues = Get-TargetResource @PSBoundParameters $ValuesToCheck = ([Hashtable]$PSBoundParameters).Clone() Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $ValuesToCheck)" #Compare Cim instances foreach ($key in $PSBoundParameters.Keys) { $source = $PSBoundParameters.$key $target = $CurrentValues.$key if ($null -ne $source -and $source.GetType().Name -like '*CimInstance*') { $testResult = Compare-M365DSCComplexObject ` -Source ($source) ` -Target ($target) if (-not $testResult) { break } $ValuesToCheck.Remove($key) | Out-Null } } if ($testResult) { $testResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys } Write-Verbose -Message "Test-TargetResource returned $testResult" return $testResult } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) $ConnectionMode = New-M365DSCConnection -Workload 'Azure' ` -InboundParameters $PSBoundParameters #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion try { $Script:ExportMode = $true $workspaces = Get-AzResource -ResourceType 'Microsoft.OperationalInsights/workspaces' $Script:exportedInstances = @() $i = 1 $dscContent = '' if ($Script:exportedInstances.Length -eq 0) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } if ([System.String]::IsNullOrEmpty($TenantId) -and $null -ne $Credential) { $TenantId = $Credential.UserName.Split('@')[1] } foreach ($workspace in $workspaces) { if ($null -ne $Global:M365DSCExportResourceInstancesCount) { $Global:M365DSCExportResourceInstancesCount++ } Write-Host " |---[$i/$($workspaces.Length)] $($workspace.Name)" -NoNewline $subscriptionId = $workspace.ResourceId.Split('/')[2] $resourceGroupName = $workspace.ResourceGroupName $workspaceName = $workspace.Name $rules = Get-M365DSCSentinelAlertRule -SubscriptionId $subscriptionId ` -ResourceGroupName $resourceGroupName ` -WorkspaceName $workspaceName ` -TenantId $TenantId $j = 1 if ($currentWatchLists.Length -eq 0 ) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } foreach ($rule in $rules) { $displayedKey = $rule.properties.DisplayName Write-Host " |---[$j/$($rules.Count)] $displayedKey" -NoNewline $params = @{ DisplayName = $rule.properties.displayName Id = $rule.name SubscriptionId = $subscriptionId ResourceGroupName = $resourceGroupName WorkspaceName = $workspaceName Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } $Results = Get-TargetResource @Params $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results if ( $null -ne $Results.EventGroupingSettings) { $complexMapping = @( @{ Name = 'EventGroupingSettings' CimInstanceName = 'SentinelAlertRuleEventGroupingSettings' IsRequired = $False } ) $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString ` -ComplexObject $Results.EventGroupingSettings ` -CIMInstanceName 'SentinelAlertRuleEventGroupingSettings' ` -ComplexTypeMapping $complexMapping if (-Not [String]::IsNullOrWhiteSpace($complexTypeStringResult)) { $Results.EventGroupingSettings = $complexTypeStringResult } else { $Results.Remove('EventGroupingSettings') | Out-Null } } if ($null -ne $Results.CustomDetails) { $complexMapping = @( @{ Name = 'CustomDetails' CimInstanceName = 'SentinelAlertRuleCustomDetails' IsRequired = $False } ) $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString ` -ComplexObject $Results.CustomDetails ` -CIMInstanceName 'SentinelAlertRuleCustomDetails' ` -ComplexTypeMapping $complexMapping if (-Not [String]::IsNullOrWhiteSpace($complexTypeStringResult)) { $Results.CustomDetails = $complexTypeStringResult } else { $Results.Remove('CustomDetails') | Out-Null } } if ( $null -ne $Results.EntityMappings) { $complexMapping = @( @{ Name = 'EntityMappings' CimInstanceName = 'SentinelAlertRuleEntityMapping' IsRequired = $False }, @{ Name = 'fieldMappings' CimInstanceName = 'SentinelAlertRuleEntityMappingFieldMapping' IsRequired = $False } ) $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString ` -ComplexObject $Results.EntityMappings ` -CIMInstanceName 'SentinelAlertRuleEntityMapping' ` -ComplexTypeMapping $complexMapping if (-Not [String]::IsNullOrWhiteSpace($complexTypeStringResult)) { $Results.EntityMappings = $complexTypeStringResult } else { $Results.Remove('EntityMappings') | Out-Null } } if ($null -ne $Results.AlertDetailsOverride) { $complexMapping = @( @{ Name = 'AlertDetailsOverride' CimInstanceName = 'SentinelAlertRuleAlertDetailsOverride' IsRequired = $False }, @{ Name = 'alertDynamicProperties' CimInstanceName = 'SentinelAlertRuleAlertDetailsOverrideAlertDynamicProperty' IsRequired = $False } ) $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString ` -ComplexObject $Results.AlertDetailsOverride ` -CIMInstanceName 'SentinelAlertRuleAlertDetailsOverride' ` -ComplexTypeMapping $complexMapping if (-Not [String]::IsNullOrWhiteSpace($complexTypeStringResult)) { $Results.AlertDetailsOverride = $complexTypeStringResult } else { $Results.Remove('AlertDetailsOverride') | Out-Null } } if ($null -ne $Results.IncidentConfiguration) { $complexMapping = @( @{ Name = 'IncidentConfiguration' CimInstanceName = 'SentinelAlertRuleIncidentConfiguration' IsRequired = $False }, @{ Name = 'groupingConfiguration' CimInstanceName = 'SentinelAlertRuleIncidentConfigurationGroupingConfiguration' IsRequired = $False } @{ Name = 'groupByAlertDetails' CimInstanceName = 'SentinelAlertRuleIncidentConfigurationGroupingConfigurationAlertDetail' IsRequired = $False } ) $complexTypeStringResult = Get-M365DSCDRGComplexTypeToString ` -ComplexObject $Results.IncidentConfiguration ` -CIMInstanceName 'SentinelAlertRuleIncidentConfiguration' ` -ComplexTypeMapping $complexMapping if (-Not [String]::IsNullOrWhiteSpace($complexTypeStringResult)) { $Results.IncidentConfiguration = $complexTypeStringResult } else { $Results.Remove('IncidentConfiguration') | Out-Null } } $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential if ($Results.EventGroupingSettings) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName 'EventGroupingSettings' -IsCIMArray:$False } if ($Results.CustomDetails) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName 'CustomDetails' -IsCIMArray:$False } if ($Results.EntityMappings) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName 'EntityMappings' -IsCIMArray:$True } if ($Results.AlertDetailsOverride) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName 'AlertDetailsOverride' -IsCIMArray:$True } if ($Results.IncidentConfiguration) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName 'IncidentConfiguration' -IsCIMArray:$True } $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName $j++ Write-Host $Global:M365DSCEmojiGreenCheckMark } } return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } function Get-M365DSCSentinelAlertRule { [CmdletBinding()] [OutputType([Array])] param( [Parameter()] [System.String] $SubscriptionId, [Parameter()] [System.String] $ResourceGroupName, [Parameter()] [System.String] $WorkspaceName, [Parameter(Mandatory = $true)] [System.String] $TenantId, [Parameter()] [System.String] $Id ) try { $hostUrl = Get-M365DSCAPIEndpoint -TenantId $TenantId $uri = $hostUrl.AzureManagement + "/subscriptions/$($SubscriptionId)/resourceGroups/$($ResourceGroupName)/" if (-not [System.String]::IsNullOrEmpty($Id)) { $uri += "providers/Microsoft.OperationalInsights/workspaces/$($WorkspaceName)/providers/Microsoft.SecurityInsights/alertrules/$($Id)?api-version=2023-12-01-preview" $response = Invoke-AzRest -Uri $uri -Method 'GET' $result = ConvertFrom-Json $response.Content return $result } else { $uri += "providers/Microsoft.OperationalInsights/workspaces/$($WorkspaceName)/providers/Microsoft.SecurityInsights/alertrules?api-version=2023-12-01-preview" $response = Invoke-AzRest -Uri $uri -Method 'GET' $result = ConvertFrom-Json $response.Content return $result.value } } catch { Write-Verbose -Message $_ New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId throw $_ } } function New-M365DSCSentinelAlertRule { [CmdletBinding()] param( [Parameter()] [System.String] $SubscriptionId, [Parameter()] [System.String] $ResourceGroupName, [Parameter()] [System.String] $WorkspaceName, [Parameter(Mandatory = $true)] [System.String] $TenantId, [Parameter()] [System.Collections.Hashtable] $Body, [Parameter()] [System.String] $Id ) try { $hostUrl = Get-M365DSCAPIEndpoint -TenantId $TenantId $uri = $hostUrl.AzureManagement + "/subscriptions/$($SubscriptionId)/resourceGroups/$($ResourceGroupName)/" if ($null -eq $Id) { $uri += "providers/Microsoft.OperationalInsights/workspaces/$($WorkspaceName)/providers/Microsoft.SecurityInsights/alertrules/$((New-Guid).ToString())?api-version=2024-04-01-preview" } else { $uri += "providers/Microsoft.OperationalInsights/workspaces/$($WorkspaceName)/providers/Microsoft.SecurityInsights/alertrules/$($Id)?api-version=2024-04-01-preview" } $payload = ConvertTo-Json $Body -Depth 10 -Compress Write-Verbose -Message "Creating new rule against URL:`r`n$($uri)`r`nWith payload:`r`n$payload" $response = Invoke-AzRest -Uri $uri -Method 'PUT' -Payload $payload Write-Verbose -Message $response.Content } catch { Write-Verbose -Message $_ New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId throw $_ } } function Remove-M365DSCSentinelAlertRule { [CmdletBinding()] param( [Parameter()] [System.String] $SubscriptionId, [Parameter()] [System.String] $ResourceGroupName, [Parameter()] [System.String] $WorkspaceName, [Parameter(Mandatory = $true)] [System.String] $TenantId, [Parameter(Mandatory = $true)] [System.String] $Id ) try { $hostUrl = Get-M365DSCAPIEndpoint -TenantId $TenantId $uri = $hostUrl.AzureManagement + "/subscriptions/$($SubscriptionId)/resourceGroups/$($ResourceGroupName)/" $uri += "providers/Microsoft.OperationalInsights/workspaces/$($WorkspaceName)/providers/Microsoft.SecurityInsights/alertRules/$($Id)?api-version=2024-04-01-preview" $response = Invoke-AzRest -Uri $uri -Method 'DELETE' } catch { Write-Verbose -Message $_ New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId throw $_ } } Export-ModuleMember -Function *-TargetResource |