New check 7167 Cloudfront distributions are protected by AWS Shield Advanced

checks/check_extra7167

@@ -0,0 +1,46 @@
+#!/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_extra7167="7.167"
+CHECK_TITLE_extra7167="[extra7167] Check if Cloudfront distributions are protected by AWS Shield"
+CHECK_SCORED_extra7167="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7167="EXTRA"
+CHECK_SEVERITY_check="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7167="AwsCloudFrontDistribution"
+CHECK_ALTERNATE_extra7167="extra7167"
+CHECK_SERVICENAME_extra7167="shield"
+CHECK_RISK_extra7167='AWS Shield Advanced provides expanded DDoS attack protection for your resources'
+CHECK_REMEDIATION_extra7167='Add as a protected resource in AWS Shield Advanced.'
+CHECK_DOC_extra7167='https://docs.aws.amazon.com/waf/latest/developerguide/configure-new-protection.html'
+CHECK_CAF_EPIC_extra7167='Infrastructure security'
+
+extra7167() {
+  if [[ "$($AWSCLI shield get-subscription-state --output text)" == "ACTIVE" ]]; then
+    LIST_OF_CLOUDFRONT_DISTRIBUTIONS=$($AWSCLI cloudfront list-distributions $PROFILE_OPT --query 'DistributionList.Items[*].[Id,ARN]' --output text)
+    if [[ $LIST_OF_CLOUDFRONT_DISTRIBUTIONS ]]; then
+      while read -r distribution; do
+        DISTRIBUTION_ID=$(echo $distribution | awk '{ print $1; }')
+        DISTRIBUTION_ARN=$(echo $distribution | awk '{ print $2; }')
+        if aws shield describe-protection --resource-arn $DISTRIBUTION_ARN >/dev/null 2>&1; then
+          textPass "$REGION: Cloudfront distribution $DISTRIBUTION_ID is protected by AWS Shield Advanced" "$REGION" "$DISTRIBUTION_ID"
+        else
+          textFail "$REGION: Cloudfront distribution $DISTRIBUTION_ID is not protected by AWS Shield Advanced" "$REGION" "$DISTRIBUTION_ID"
+        fi
+      done <<<"$LIST_OF_CLOUDFRONT_DISTRIBUTIONS"
+    else
+      textPass "$REGION: no Cloudfront distributions found" "$REGION"
+    fi
+  else
+    textInfo "No AWS Shield Advanced subscription found. Skipping check."
+  fi
+}