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49 lines
2.5 KiB
Bash
49 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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CHECK_ID_extra7170="7.170"
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CHECK_TITLE_extra7170="[extra7170] Check if internet-facing application load balancers are protected by AWS Shield Advanced"
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CHECK_SCORED_extra7170="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7170="EXTRA"
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CHECK_SEVERITY_extra7170="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra7170="AwsElasticLoadBalancingV2LoadBalancer"
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CHECK_ALTERNATE_check7170="extra7170"
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CHECK_SERVICENAME_extra7170="shield"
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CHECK_RISK_extra7170='AWS Shield Advanced provides expanded DDoS attack protection for your resources'
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CHECK_REMEDIATION_extra7170='Add as a protected resource in AWS Shield Advanced.'
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CHECK_DOC_extra7170='https://docs.aws.amazon.com/waf/latest/developerguide/configure-new-protection.html'
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CHECK_CAF_EPIC_extra7170='Infrastructure security'
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extra7170() {
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if [[ "$($AWSCLI $PROFILE_OPT shield get-subscription-state --output text)" == "ACTIVE" ]]; then
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for regx in $REGIONS; do
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LIST_OF_APPLICATION_LOAD_BALANCERS=$($AWSCLI elbv2 describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancers[?Type == `application` && Scheme == `internet-facing`].[LoadBalancerName,LoadBalancerArn]' --output text)
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if [[ $LIST_OF_APPLICATION_LOAD_BALANCERS ]]; then
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while read -r alb; do
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ALB_NAME=$(echo $alb | awk '{ print $1; }')
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ALB_ARN=$(echo $alb | awk '{ print $2; }')
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if $AWSCLI $PROFILE_OPT shield describe-protection --resource-arn $ALB_ARN >/dev/null 2>&1; then
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textPass "$regx: ALB $ALB_NAME is protected by AWS Shield Advanced" "$regx" "$ALB_NAME"
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else
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textFail "$regx: ALB $ALB_NAME is not protected by AWS Shield Advanced" "$regx" "$ALB_NAME"
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fi
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done <<<"$LIST_OF_APPLICATION_LOAD_BALANCERS"
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else
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textInfo "$regx: no application load balancers found" "$regx"
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fi
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done
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else
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textInfo "No AWS Shield Advanced subscription found. Skipping check."
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fi
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}
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