AWSTemplateFormatVersion: "2010-09-09"
Description: ""
Resources:
  ScpPolicy1:
    Type: "Custom::ServiceControlPolicy"
    Properties:
      PolicyName: "scp_account_protection"
      PolicyDescription: "scp_account_protection"
      PolicyContents: "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Action\":\"*\",\"Resource\":\"*\",\"Effect\":\"Deny\",\"Condition\":{\"StringLike\":{\"aws:PrincipalArn\":[\"arn:aws:iam::*:root\"]}}},{\"Action\":[\"organizations:LeaveOrganization\"],\"Resource\":\"*\",\"Effect\":\"Deny\"},{\"Action\":[\"aws-portal:ModifyAccount\",\"aws-portal:ModifyBilling\",\"aws-portal:ModifyPaymentMethods\"],\"Resource\":\"*\",\"Effect\":\"Deny\"}]}"
      ServiceToken:
        Fn::GetAtt:
          - "ScpResourceLambda"
          - "Arn"
  ScpResourceLambdaRole:
    Type: "AWS::IAM::Role"
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: "Allow"
            Principal:
              Service: "lambda.amazonaws.com"
            Action:
              - "sts:AssumeRole"
      Path: "/"
      ManagedPolicyArns:
        - "arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
      Policies:
        - PolicyName: "scp-access"
          PolicyDocument:
            Statement:
              - Effect: "Allow"
                Action:
                  - "organizations:UpdatePolicy"
                  - "organizations:DeletePolicy"
                  - "organizations:CreatePolicy"
                  - "organizations:ListPolicies"
                Resource: "*"
  ScpResourceLambda:
    Type: "AWS::Lambda::Function"
    Properties:
      Code:
        ZipFile: "\n'use strict';\nconst AWS = require('aws-sdk');\nconst response = require('cfn-response');\nconst organizations = new AWS.Organizations({region: 'us-east-1'});\n\nexports.handler = (event, context, cb) => {\n  console.log('Invoke:', JSON.stringify(event));\n  const done = (err, data) => {\n    if (err) {\n      console.log('Error: ', err);\n      response.send(event, context, response.FAILED, {}, 'CustomResourcePhysicalID');\n    } else {\n      response.send(event, context, response.SUCCESS, {}, 'CustomResourcePhysicalID');\n    }\n  };\n  \n  const updatePolicies = (policyName, policyAction) => {\n    organizations.listPolicies({\n      Filter: \"SERVICE_CONTROL_POLICY\"\n     }, function(err, data){\n         if (err) done(err);\n         else {\n           const policy = data.Policies.filter((policy) => (policy.Name === policyName))\n           let policyId = ''\n           if (policy.length > 0) \n            policyId = policy[0].Id\n           else\n            done('policy not found')\n           if (policyAction === 'Update'){\n             organizations.updatePolicy({\n               Content: event.ResourceProperties.PolicyContents,\n               PolicyId: policyId\n             }, done)\n           }\n           else {\n              organizations.deletePolicy({\n                PolicyId: policyId\n              }, done)\n           }\n         }\n     })\n  }\n  \n  if (event.RequestType === 'Update' || event.RequestType === 'Delete') {\n    updatePolicies(event.ResourceProperties.PolicyName, event.RequestType)\n    \n  } else if (event.RequestType === 'Create') {\n    organizations.createPolicy({\n          Content: event.ResourceProperties.PolicyContents, \n          Description: event.ResourceProperties.PolicyDescription, \n          Name: event.ResourceProperties.PolicyName, \n          Type: \"SERVICE_CONTROL_POLICY\"\n         }, done);\n  } else {\n    cb(new Error('unsupported RequestType: ', event.RequestType));\n  }\n};"
      Handler: "index.handler"
      MemorySize: 128
      Role:
        Fn::GetAtt:
          - "ScpResourceLambdaRole"
          - "Arn"
      Runtime: "nodejs12.x"
      Timeout: 120
  ScpPolicy2:
    Type: "Custom::ServiceControlPolicy"
    Properties:
      PolicyName: "scp_logging_services_protection"
      PolicyDescription: "scp_logging_services_protection"
      PolicyContents: "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Action\":[\"cloudtrail:StopLogging\",\"cloudtrail:DeleteTrail\"],\"Resource\":\"*\",\"Effect\":\"Deny\"},{\"Action\":[\"config:DeleteConfigRule\",\"config:DeleteConfigurationRecorder\",\"config:DeleteDeliveryChannel\",\"config:StopConfigurationRecorder\"],\"Resource\":\"*\",\"Effect\":\"Deny\"},{\"Action\":[\"guardduty:DeleteDetector\",\"guardduty:DeleteInvitations\",\"guardduty:DeleteIPSet\",\"guardduty:DeleteMembers\",\"guardduty:DeleteThreatIntelSet\",\"guardduty:DisassociateFromMasterAccount\",\"guardduty:DisassociateMembers\",\"guardduty:StopMonitoringMembers\",\"guardduty:UpdateDetector\"],\"Resource\":\"*\",\"Effect\":\"Deny\"},{\"Action\":[\"securityhub:DeleteInvitations\",\"securityhub:DisableSecurityHub\",\"securityhub:DisassociateFromMasterAccount\",\"securityhub:DeleteMembers\",\"securityhub:DisassociateMembers\"],\"Resource\":\"*\",\"Effect\":\"Deny\"}]}"
      ServiceToken:
        Fn::GetAtt:
          - "ScpResourceLambda"
          - "Arn"
    DependsOn:
      - "ScpPolicy1"
  ScpPolicy3:
    Type: "Custom::ServiceControlPolicy"
    Properties:
      PolicyName: "scp_iam_protection"
      PolicyDescription: "scp_iam_protection"
      PolicyContents: "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Action\":[\"iam:CreateUser\",\"iam:CreateAccessKey\"],\"Resource\":[\"*\"],\"Effect\":\"Deny\"}]}"
      ServiceToken:
        Fn::GetAtt:
          - "ScpResourceLambda"
          - "Arn"
    DependsOn:
      - "ScpPolicy2"
  ScpPolicy4:
    Type: "Custom::ServiceControlPolicy"
    Properties:
      PolicyName: "scp_s3_protection"
      PolicyDescription: "scp_s3_protection"
      PolicyContents: "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Action\":[\"s3:PutAccountPublicAccessBlock\"],\"Resource\":\"*\",\"Effect\":\"Deny\"}]}"
      ServiceToken:
        Fn::GetAtt:
          - "ScpResourceLambda"
          - "Arn"
    DependsOn:
      - "ScpPolicy3"
Parameters: {}
Metadata: {}
Conditions: {}