last sync: 2020-Jul-10 14:05:01 UTC

Azure Policy

Deploy prerequisites to audit Windows VMs in which the Administrators group does not contain only the specified members

Policy DisplayName Deploy prerequisites to audit Windows VMs in which the Administrators group does not contain only the specified members
Policy Id b821191b-3a12-44bc-9c38-212138a29ff3
Policy Category Guest Configuration
Policy Description This policy creates a Guest Configuration assignment to audit Windows virtual machines in which the Administrators group does not contain only the specified members. It also creates a system-assigned managed identity and deploys the VM extension for Guest Configuration. This policy should only be used along with its corresponding audit policy in an initiative. For more information on Guest Configuration policies, please visit https://aka.ms/gcpol
Policy Mode Indexed
Policy Type BuiltIn
Policy in Preview FALSE
Policy Deprecated FALSE
Policy Effect Fixed: deployIfNotExists
Roles used
Role Name Role Id
Contributor b24988ac-6180-42a0-ab88-20f7382dd24c
Policy Changes no changes
Used in Policy Initiative(s)
Initiative DisplayName Initiative Id
Audit Windows VMs in which the Administrators group does not contain only the specified members 06122b01-688c-42a8-af2e-fa97dd39aa3b
[Preview]: Azure Security Benchmark 42a694ed-f65e-42b2-aa9e-8052e9740a92
HITRUST/HIPAA a169a624-5599-4385-a696-c8d643089fab
Policy Rule
{
  "properties": {
    "displayName": "Deploy prerequisites to audit Windows VMs in which the Administrators group does not contain only the specified members",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "This policy creates a Guest Configuration assignment to audit Windows virtual machines in which the Administrators group does not contain only the specified members. It also creates a system-assigned managed identity and deploys the VM extension for Guest Configuration. This policy should only be used along with its corresponding audit policy in an initiative. For more information on Guest Configuration policies, please visit https://aka.ms/gcpol",
    "metadata": {
      "version": "1.2.0",
      "category": "Guest Configuration",
      "requiredProviders": [
        "Microsoft.GuestConfiguration"
      ]
    },
    "parameters": {
      "Members": {
        "type": "String",
        "metadata": {
          "displayName": "Members",
          "description": "A semicolon-separated list of all the expected members of the Administrators local group. Ex: Administrator; myUser1; myUser2"
        }
      }
    },
    "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": [
              {
                "field": "type",
                "equals": "Microsoft.HybridCompute/machines"
              },
              {
                "field": "Microsoft.HybridCompute/imageOffer",
                "like": "windows*"
              }
            ]
          }
        ]
      },
      "then": {
        "effect": "deployIfNotExists",
        "details": {
          "roleDefinitionIds": [
            "/providers/microsoft.authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c"
          ],
          "type": "Microsoft.GuestConfiguration/guestConfigurationAssignments",
          "name": "AdministratorsGroupMembers",
          "existenceCondition": {
            "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/parameterHash",
          "equals": "[base64(concat('[LocalGroup]AdministratorsGroup;Members', '=', parameters('Members')))]"
          },
          "deployment": {
            "properties": {
              "mode": "incremental",
              "parameters": {
                "vmName": {
                "value": "[field('name')]"
                },
                "location": {
                "value": "[field('location')]"
                },
                "type": {
                "value": "[field('type')]"
                },
                "configurationName": {
                  "value": "AdministratorsGroupMembers"
                },
                "Members": {
                "value": "[parameters('Members')]"
                }
              },
              "template": {
                "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
                "contentVersion": "1.0.0.0",
                "parameters": {
                  "vmName": {
                    "type": "string"
                  },
                  "location": {
                    "type": "string"
                  },
                  "type": {
                    "type": "string"
                  },
                  "configurationName": {
                    "type": "string"
                  },
                  "Members": {
                    "type": "string"
                  }
                },
                "resources": [
                  {
                  "condition": "[equals(toLower(parameters('type')), toLower('microsoft.hybridcompute/machines'))]",
                    "apiVersion": "2018-11-20",
                    "type": "Microsoft.HybridCompute/machines/providers/guestConfigurationAssignments",
                  "name": "[concat(parameters('vmName'), '/Microsoft.GuestConfiguration/', parameters('configurationName'))]",
                  "location": "[parameters('location')]",
                    "properties": {
                      "guestConfiguration": {
                      "name": "[parameters('configurationName')]",
                        "version": "1.*",
                        "configurationParameter": [
                          {
                          "name": "[LocalGroup]AdministratorsGroup;Members",
                          "value": "[parameters('Members')]"
                          }
                        ]
                      }
                    }
                  },
                  {
                  "condition": "[equals(toLower(parameters('type')), toLower('Microsoft.Compute/virtualMachines'))]",
                    "apiVersion": "2018-11-20",
                    "type": "Microsoft.Compute/virtualMachines/providers/guestConfigurationAssignments",
                  "name": "[concat(parameters('vmName'), '/Microsoft.GuestConfiguration/', parameters('configurationName'))]",
                  "location": "[parameters('location')]",
                    "properties": {
                      "guestConfiguration": {
                      "name": "[parameters('configurationName')]",
                        "version": "1.*",
                        "configurationParameter": [
                          {
                          "name": "[LocalGroup]AdministratorsGroup;Members",
                          "value": "[parameters('Members')]"
                          }
                        ]
                      }
                    }
                  },
                  {
                  "condition": "[equals(toLower(parameters('type')), toLower('Microsoft.Compute/virtualMachines'))]",
                    "apiVersion": "2019-07-01",
                    "type": "Microsoft.Compute/virtualMachines",
                    "identity": {
                      "type": "SystemAssigned"
                    },
                  "name": "[parameters('vmName')]",
                  "location": "[parameters('location')]"
                  },
                  {
                  "condition": "[equals(toLower(parameters('type')), toLower('Microsoft.Compute/virtualMachines'))]",
                    "apiVersion": "2019-07-01",
                  "name": "[concat(parameters('vmName'), '/AzurePolicyforWindows')]",
                    "type": "Microsoft.Compute/virtualMachines/extensions",
                  "location": "[parameters('location')]",
                    "properties": {
                      "publisher": "Microsoft.GuestConfiguration",
                      "type": "ConfigurationforWindows",
                      "typeHandlerVersion": "1.1",
                      "autoUpgradeMinorVersion": true,
                      "settings": {
                        
                      },
                      "protectedSettings": {
                        
                      }
                    },
                    "dependsOn": [
                    "[concat('Microsoft.Compute/virtualMachines/',parameters('vmName'),'/providers/Microsoft.GuestConfiguration/guestConfigurationAssignments/',parameters('configurationName'))]"
                    ]
                  }
                ]
              }
            }
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/b821191b-3a12-44bc-9c38-212138a29ff3",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "b821191b-3a12-44bc-9c38-212138a29ff3"
}