last sync: 2020-Sep-30 14:32:32 UTC

Azure Policy

Windows machines should meet requirements for 'System Audit Policies - Policy Change'

Policy DisplayName Windows machines should meet requirements for 'System Audit Policies - Policy Change'
Policy Id 2a7a701e-dff3-4da9-9ec5-42cb98594c0b
Policy Category Guest Configuration
Policy Description Windows machines should have the specified Group Policy settings in the category 'System Audit Policies - Policy Change' for auditing changes to system audit policies. This policy requires that the Guest Configuration prerequisites have been deployed to the policy assignment scope. For details, visit https://aka.ms/gcpol.
Policy Mode Indexed
Policy Type BuiltIn
Policy in Preview FALSE
Policy Deprecated FALSE
Policy Effect Default: AuditIfNotExists
Allowed: (AuditIfNotExists,Disabled)
Roles used none
Policy Changes
Date/Time (UTC ymd) (i) Change Change detail
2020-09-15 14:06:41 change: DisplayName previous DisplayName: [Preview]: Windows machines should meet requirements for 'System Audit Policies - Policy Change'
2020-08-20 14:05:01 add: Policy 2a7a701e-dff3-4da9-9ec5-42cb98594c0b
Used in Policy Initiative(s)
Initiative DisplayName Initiative Id
[Preview]: Windows machines should meet requirements for the Azure security baseline be7a78aa-3e10-4153-a5fd-8c6506dbc821
Policy Rule
{
  "properties": {
    "displayName": "Windows machines should meet requirements for 'System Audit Policies - Policy Change'",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "Windows machines should have the specified Group Policy settings in the category 'System Audit Policies - Policy Change' for auditing changes to system audit policies. This policy requires that the Guest Configuration prerequisites have been deployed to the policy assignment scope. For details, visit https://aka.ms/gcpol.",
    "metadata": {
      "category": "Guest Configuration",
      "version": "2.0.0",
      "requiredProviders": [
        "Microsoft.GuestConfiguration"
      ],
      "guestConfiguration": {
        "name": "AzureBaseline_SystemAuditPoliciesPolicyChange",
        "version": "1.*",
        "configurationParameter": {
          "AuditAuthenticationPolicyChange": "Audit Authentication Policy Change;ExpectedValue",
          "AuditAuthorizationPolicyChange": "Audit Authorization Policy Change;ExpectedValue"
        }
      }
    },
    "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"
      },
      "AuditAuthenticationPolicyChange": {
        "type": "String",
        "metadata": {
          "displayName": "Audit Authentication Policy Change",
          "description": "Specifies whether audit events are generated when changes are made to authentication policy. This setting is useful for tracking changes in domain-level and forest-level trust and privileges that are granted to user accounts or groups."
        },
        "allowedValues": [
          "No Auditing",
          "Success",
          "Failure",
          "Success and Failure"
        ],
        "defaultValue": "Success"
      },
      "AuditAuthorizationPolicyChange": {
        "type": "String",
        "metadata": {
          "displayName": "Audit Authorization Policy Change",
          "description": "Specifies whether audit events are generated for assignment and removal of user rights in user right policies, changes in security token object permission, resource attributes changes and Central Access Policy changes for file system objects."
        },
        "allowedValues": [
          "No Auditing",
          "Success",
          "Failure",
          "Success and Failure"
        ],
        "defaultValue": "No Auditing"
      },
      "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": "AzureBaseline_SystemAuditPoliciesPolicyChange",
          "existenceCondition": {
            "allOf": [
              {
                "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/complianceStatus",
                "equals": "Compliant"
              },
              {
                "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/parameterHash",
              "equals": "[base64(concat('Audit Authentication Policy Change;ExpectedValue', '=', parameters('AuditAuthenticationPolicyChange'), ',', 'Audit Authorization Policy Change;ExpectedValue', '=', parameters('AuditAuthorizationPolicyChange')))]"
              }
            ]
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/2a7a701e-dff3-4da9-9ec5-42cb98594c0b",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "2a7a701e-dff3-4da9-9ec5-42cb98594c0b"
}