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Policy Rule
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{
"properties": {
"displayName": "Audit Windows machines on which Windows Defender Exploit Guard is not enabled",
"policyType": "BuiltIn",
"mode": "Indexed",
"description": "Requires that prerequisites are deployed to the policy assignment scope. For details, visit https://aka.ms/gcpol. Machines are non-compliant if the PowerShell command Get-MPPreference returns configuration details that does not match expected values. Windows Defender Exploit Guard helps protect against malware that uses exploits to infect devices and spread. Exploit Guard protection consists of a number of mitigations that can be applied to either the operating system or individual apps.",
"metadata": {
"category": "Guest Configuration",
"version": "1.1.0",
"requiredProviders": [
"Microsoft.GuestConfiguration"
],
"guestConfiguration": {
"name": "WindowsDefenderExploitGuard",
"version": "1.*",
"configurationParameter": {
"NotAvailableMachineState": "[WindowsDefenderExploitGuard]WindowsDefenderExploitGuard1;NotAvailableMachineState"
}
}
},
"parameters": {
"IncludeArcMachines": {
"type": "String",
"metadata": {
"displayName": "Include Arc connected servers",
"description": "By selecting this option, you agree to be charged monthly per Arc connected machine."
},
"allowedValues": [
"true",
"false"
],
"defaultValue": "false"
},
"NotAvailableMachineState": {
"type": "String",
"metadata": {
"displayName": "Status if Windows Defender is not available on machine",
"description": "Windows Defender Exploit Guard is only available starting with Windows 10/Windows Server with update 1709. Setting this value to 'Non-Compliant' shows machines with older versions on which Windows Defender Exploit Guard is not available (such as Windows Server 2012 R2) as non-compliant. Setting this value to 'Compliant' shows these machines as compliant."
},
"allowedValues": [
"Compliant",
"Non-Compliant"
],
"defaultValue": "Compliant"
},
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "Enable or disable the execution of this policy"
},
"allowedValues": [
"AuditIfNotExists",
"Disabled"
],
"defaultValue": "AuditIfNotExists"
}
},
"policyRule": {
"if": {
"anyOf": [
{
"allOf": [
{
"field": "type",
"equals": "Microsoft.Compute/virtualMachines"
},
{
"anyOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"in": [
"esri",
"incredibuild",
"MicrosoftDynamicsAX",
"MicrosoftSharepoint",
"MicrosoftVisualStudio",
"MicrosoftWindowsDesktop",
"MicrosoftWindowsServerHPCPack"
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "MicrosoftWindowsServer"
},
{
"field": "Microsoft.Compute/imageSKU",
"notLike": "2008*"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "MicrosoftSQLServer"
},
{
"field": "Microsoft.Compute/imageOffer",
"notLike": "SQL2008*"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "microsoft-dsvm"
},
{
"field": "Microsoft.Compute/imageOffer",
"equals": "dsvm-windows"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "microsoft-ads"
},
{
"field": "Microsoft.Compute/imageOffer",
"in": [
"standard-data-science-vm",
"windows-data-science-vm"
]
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "batch"
},
{
"field": "Microsoft.Compute/imageOffer",
"equals": "rendering-windows2016"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "center-for-internet-security-inc"
},
{
"field": "Microsoft.Compute/imageOffer",
"like": "cis-windows-server-201*"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "pivotal"
},
{
"field": "Microsoft.Compute/imageOffer",
"like": "bosh-windows-server*"
}
]
},
{
"allOf": [
{
"field": "Microsoft.Compute/imagePublisher",
"equals": "cloud-infrastructure-services"
},
{
"field": "Microsoft.Compute/imageOffer",
"like": "ad*"
}
]
},
{
"allOf": [
{
"anyOf": [
{
"field": "Microsoft.Compute/virtualMachines/osProfile.windowsConfiguration",
"exists": "true"
},
{
"field": "Microsoft.Compute/virtualMachines/storageProfile.osDisk.osType",
"like": "Windows*"
}
]
},
{
"anyOf": [
{
"field": "Microsoft.Compute/imageSKU",
"exists": "false"
},
{
"allOf": [
{
"field": "Microsoft.Compute/imageSKU",
"notLike": "2008*"
},
{
"field": "Microsoft.Compute/imageOffer",
"notLike": "SQL2008*"
}
]
}
]
}
]
}
]
}
]
},
{
"allOf": [
{
"value": "[parameters('IncludeArcMachines')]",
"equals": "true"
},
{
"field": "type",
"equals": "Microsoft.HybridCompute/machines"
},
{
"field": "Microsoft.HybridCompute/imageOffer",
"like": "windows*"
}
]
}
]
},
"then": {
"effect": "[parameters('effect')]",
"details": {
"type": "Microsoft.GuestConfiguration/guestConfigurationAssignments",
"name": "WindowsDefenderExploitGuard",
"existenceCondition": {
"allOf": [
{
"field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/complianceStatus",
"equals": "Compliant"
},
{
"field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/parameterHash",
"equals": "[base64(concat('[WindowsDefenderExploitGuard]WindowsDefenderExploitGuard1;NotAvailableMachineState', '=', parameters('NotAvailableMachineState')))]"
}
]
}
}
}
}
},
"id": "/providers/Microsoft.Authorization/policyDefinitions/bed48b13-6647-468e-aa2f-1af1d3f4dd40",
"type": "Microsoft.Authorization/policyDefinitions",
"name": "bed48b13-6647-468e-aa2f-1af1d3f4dd40"
}
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