diff --git a/checks/check_extra7166 b/checks/check_extra7166
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+#!/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_extra7166="7.166"
+CHECK_TITLE_extra7166="[extra7166] Check if Elastic IP addresses with associations are protected by AWS Shield Advanced"
+CHECK_SCORED_extra7166="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7166="EXTRA"
+CHECK_SEVERITY_check="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7166="AwsEc2Eip"
+CHECK_ALTERNATE_extra7166="extra7166"
+CHECK_SERVICENAME_extra7166="shield"
+CHECK_RISK_extra7166='AWS Shield Advanced provides expanded DDoS attack protection for your resources'
+CHECK_REMEDIATION_extra7166='Add as a protected resource in AWS Shield Advanced.'
+CHECK_DOC_extra7166='https://docs.aws.amazon.com/waf/latest/developerguide/configure-new-protection.html'
+CHECK_CAF_EPIC_extra7166='Infrastructure security'
+
+extra7166() {
+  if [[ "$($AWSCLI shield get-subscription-state --output text)" == "ACTIVE" ]]; then
+    CALLER_IDENTITY=$($AWSCLI sts get-caller-identity $PROFILE_OPT --query Arn)
+    PARTITION=$(echo $CALLER_IDENTITY | cut -d: -f2)
+    ACCOUNT_ID=$(echo $CALLER_IDENTITY | cut -d: -f5)
+    for regx in $REGIONS; do
+      LIST_OF_ELASTIC_IPS_WITH_ASSOCIATIONS=$($AWSCLI ec2 describe-addresses $PROFILE_OPT --region $regx --query 'Addresses[?AssociationId].AllocationId' --output text)
+      if [[ $LIST_OF_ELASTIC_IPS_WITH_ASSOCIATIONS ]]; then
+        for elastic_ip in $LIST_OF_ELASTIC_IPS_WITH_ASSOCIATIONS; do
+          EIP_ARN="arn:${PARTITION}:ec2:${regx}:${ACCOUNT_ID}:eip-allocation/${elastic_ip}"
+          if aws shield describe-protection --resource-arn $EIP_ARN >/dev/null 2>&1; then
+            textPass "$regx: EIP $elastic_ip is protected by AWS Shield Advanced" "$regx" "$elastic_ip"
+          else
+            textFail "$regx: EIP $elastic_ip is not protected by AWS Shield Advanced" "$regx" "$elastic_ip"
+          fi
+        done
+      else
+        textPass "$regx: no elastic IP addresses with assocations found" "$regx"
+      fi
+    done
+  else
+    textInfo "No AWS Shield Advanced subscription found. Skipping check."
+  fi
+}