New check 7168 Route53 hosted zones are protected by AWS Shield Advanced

checks/check_extra7168

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy
+# of the License at http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed
+# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+# CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+
+CHECK_ID_extra7168="7.168"
+CHECK_TITLE_extra7168="[extra7168] Check if Route53 hosted zones are protected by AWS Shield"
+CHECK_SCORED_extra7168="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7168="EXTRA"
+CHECK_SEVERITY_check="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7168="AwsRoute53Domain"
+CHECK_ALTERNATE_extra7168="extra7168"
+CHECK_SERVICENAME_extra7168="shield"
+CHECK_RISK_extra7168='AWS Shield Advanced provides expanded DDoS attack protection for your resources'
+CHECK_REMEDIATION_extra7168='Add as a protected resource in AWS Shield Advanced.'
+CHECK_DOC_extra7168='https://docs.aws.amazon.com/waf/latest/developerguide/configure-new-protection.html'
+CHECK_CAF_EPIC_extra7168='Infrastructure security'
+
+extra7168() {
+  if [[ "$($AWSCLI shield get-subscription-state --output text)" == "ACTIVE" ]]; then
+    CALLER_IDENTITY=$($AWSCLI sts get-caller-identity $PROFILE_OPT --query Arn)
+    PARTITION=$(echo $CALLER_IDENTITY | cut -d: -f2)
+    LIST_OF_ROUTE53_HOSTED_ZONES=$($AWSCLI route53 list-hosted-zones $PROFILE_OPT --query 'HostedZones[*].[Id,Name]' --output text)
+    if [[ $LIST_OF_ROUTE53_HOSTED_ZONES ]]; then
+      while read -r hosted_zone; do
+        HOSTED_ZONE_ID=$(echo $hosted_zone | awk '{ print $1; }')
+        HOSTED_ZONE_NAME=$(echo $hosted_zone | awk '{ print $2; }')
+        HOSTED_ZONE_ARN="arn:${PARTITION}:route53:::${HOSTED_ZONE_ID:1}"
+        if aws shield describe-protection --resource-arn $HOSTED_ZONE_ARN >/dev/null 2>&1; then
+          textPass "$REGION: Route53 Hosted Zone $HOSTED_ZONE_NAME is protected by AWS Shield Advanced" "$REGION" "$HOSTED_ZONE_NAME"
+        else
+          textFail "$REGION: Route53 Hosted Zone $HOSTED_ZONE_NAME is not protected by AWS Shield Advanced" "$REGION" "$HOSTED_ZONE_NAME"
+        fi
+      done <<<"$LIST_OF_ROUTE53_HOSTED_ZONES"
+    else
+      textPass "$REGION: no Route53 hosted zones found" "$REGION"
+    fi
+  else
+    textInfo "No AWS Shield Advanced subscription found. Skipping check."
+  fi
+}