last sync: 2020-Aug-07 14:05:09 UTC

Azure Policy

[Preview]: Audit Linux virtual machines on which the use of passwords for SSH is allowed

Policy DisplayName [Preview]: Audit Linux virtual machines on which the use of passwords for SSH is allowed
Policy Id 630c64f9-8b6b-4c64-b511-6544ceff6fd6
Policy Category Guest Configuration
Policy Description This policy audits Linux virtual machines that use passwords for authenticating through SSH. 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 True
Policy Deprecated FALSE
Policy Effect Default: AuditIfNotExists
Allowed: (AuditIfNotExists,Disabled)
Roles used none
Policy Changes
Date/Time (UTC ymd) (i) Change Change detail
2020-06-09 16:25:53 add: Policy 630c64f9-8b6b-4c64-b511-6544ceff6fd6
Used in Policy Initiative(s) none
Policy Rule
{
  "properties": {
  "displayName": "[Preview]: Audit Linux virtual machines on which the use of passwords for SSH is allowed",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "This policy audits Linux virtual machines that use passwords for authenticating through SSH. 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": "1.0.0-preview",
      "preview": true,
      "requiredProviders": [
        "Microsoft.GuestConfiguration"
      ],
      "guestConfiguration": {
        "name": "LinuxNoPasswordForSSH",
        "version": "1.*"
      }
    },
    "parameters": {
      "effect": {
        "type": "String",
        "metadata": {
        "displayName": "[Preview]: 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": [
                      "microsoft-aks",
                      "qubole-inc",
                      "datastax",
                      "couchbase",
                      "scalegrid",
                      "checkpoint",
                      "paloaltonetworks",
                      "debian"
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "OpenLogic"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "CentOS*"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "6*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "Oracle"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "Oracle-Linux"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "6*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "RedHat"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "in": [
                          "RHEL",
                          "RHEL-HA",
                          "RHEL-SAP",
                          "RHEL-SAP-APPS",
                          "RHEL-SAP-HA",
                          "RHEL-SAP-HANA"
                        ]
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "6*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "RedHat"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "in": [
                          "osa",
                          "rhel-byos"
                        ]
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "center-for-internet-security-inc"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "in": [
                          "cis-centos-7-l1",
                          "cis-centos-7-v2-1-1-l1",
                          "cis-centos-8-l1",
                          "cis-debian-linux-8-l1",
                          "cis-debian-linux-9-l1",
                          "cis-nginx-centos-7-v1-1-0-l1",
                          "cis-oracle-linux-7-v2-0-0-l1",
                          "cis-oracle-linux-8-l1",
                          "cis-postgresql-11-centos-linux-7-level-1",
                          "cis-rhel-7-l2",
                          "cis-rhel-7-v2-2-0-l1",
                          "cis-rhel-8-l1",
                          "cis-suse-linux-12-v2-0-0-l1",
                          "cis-ubuntu-linux-1604-v1-0-0-l1",
                          "cis-ubuntu-linux-1804-l1"
                        ]
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "credativ"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "Debian"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "7*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "Suse"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "SLES*"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "11*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "Canonical"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "UbuntuServer"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "12*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "microsoft-dsvm"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "in": [
                          "linux-data-science-vm-ubuntu",
                          "azureml"
                        ]
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "cloudera"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "cloudera-centos-os"
                      },
                      {
                        "field": "Microsoft.Compute/imageSKU",
                        "notLike": "6*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "cloudera"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "equals": "cloudera-altus-centos-os"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "field": "Microsoft.Compute/imagePublisher",
                        "equals": "microsoft-ads"
                      },
                      {
                        "field": "Microsoft.Compute/imageOffer",
                        "like": "linux*"
                      }
                    ]
                  },
                  {
                    "allOf": [
                      {
                        "anyOf": [
                          {
                            "field": "Microsoft.Compute/virtualMachines/osProfile.linuxConfiguration",
                            "exists": "true"
                          },
                          {
                            "field": "Microsoft.Compute/virtualMachines/storageProfile.osDisk.osType",
                            "like": "Linux*"
                          }
                        ]
                      },
                      {
                        "anyOf": [
                          {
                            "field": "Microsoft.Compute/imagePublisher",
                            "exists": "false"
                          },
                          {
                            "field": "Microsoft.Compute/imagePublisher",
                            "notIn": [
                              "OpenLogic",
                              "RedHat",
                              "credativ",
                              "Suse",
                              "Canonical",
                              "microsoft-dsvm",
                              "cloudera",
                              "microsoft-ads",
                              "center-for-internet-security-inc",
                              "Oracle"
                            ]
                          }
                        ]
                      }
                    ]
                  }
                ]
              }
            ]
          },
          {
            "allOf": [
              {
                "field": "type",
                "equals": "Microsoft.HybridCompute/machines"
              },
              {
                "field": "Microsoft.HybridCompute/imageOffer",
                "like": "linux*"
              }
            ]
          }
        ]
      },
      "then": {
      "effect": "[parameters('effect')]",
        "details": {
          "type": "Microsoft.GuestConfiguration/guestConfigurationAssignments",
          "name": "LinuxNoPasswordForSSH",
          "existenceCondition": {
            "field": "Microsoft.GuestConfiguration/guestConfigurationAssignments/complianceStatus",
            "equals": "Compliant"
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/630c64f9-8b6b-4c64-b511-6544ceff6fd6",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "630c64f9-8b6b-4c64-b511-6544ceff6fd6"
}