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https://github.com/ghndrx/prowler.git
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66 lines
3.4 KiB
Bash
66 lines
3.4 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) 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_extra717="7.17"
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CHECK_TITLE_extra717="[extra717] Check if Elastic Load Balancers have logging enabled"
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CHECK_SCORED_extra717="NOT_SCORED"
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CHECK_CIS_LEVEL_extra717="EXTRA"
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CHECK_SEVERITY_extra717="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra717="AwsElbLoadBalancer"
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CHECK_ALTERNATE_check717="extra717"
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CHECK_SERVICENAME_extra717="elb"
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CHECK_RISK_extra717='If logs are not enabled monitoring of service use and threat analysis is not possible.'
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CHECK_REMEDIATION_extra717='Enable ELB logging; create la log lifecycle and define use cases.'
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CHECK_DOC_extra717='https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-access-logs.html'
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CHECK_CAF_EPIC_extra717='Logging and Monitoring'
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extra717(){
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# "Check if Elastic Load Balancers have logging enabled "
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for regx in $REGIONS; do
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LIST_OF_ELBS=$($AWSCLI elb describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancerDescriptions[*].LoadBalancerName' --output text 2>&1 |xargs -n1)
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if [[ $(echo "$LIST_OF_ELBS" | grep -E 'AccessDenied|UnauthorizedOperation') ]]; then
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textInfo "$regx: Access Denied trying to list load balancers v1" "$regx"
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continue
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fi
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LIST_OF_ELBSV2=$($AWSCLI elbv2 describe-load-balancers $PROFILE_OPT --region $regx --query 'LoadBalancers[*].LoadBalancerArn' --output text 2>&1 |xargs -n1)
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if [[ $(echo "$LIST_OF_ELBSV2" | grep -E 'AccessDenied|UnauthorizedOperation') ]]; then
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textInfo "$regx: Access Denied trying to list load balancers v2" "$regx"
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continue
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fi
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if [[ $LIST_OF_ELBS || $LIST_OF_ELBSV2 ]]; then
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if [[ $LIST_OF_ELBS ]]; then
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for elb in $LIST_OF_ELBS; do
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CHECK_ELBS_LOG_ENABLED=$($AWSCLI elb describe-load-balancer-attributes $PROFILE_OPT --region $regx --load-balancer-name $elb --query 'LoadBalancerAttributes.AccessLog.Enabled' |grep "^true")
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if [[ $CHECK_ELBS_LOG_ENABLED ]]; then
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textPass "$regx: $elb has access logs to S3 configured" "$regx" "$elb"
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else
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textFail "$regx: $elb has not configured access logs" "$regx" "$elb"
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fi
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done
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fi
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if [[ $LIST_OF_ELBSV2 ]]; then
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for elbarn in $LIST_OF_ELBSV2; do
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CHECK_ELBSV2_LOG_ENABLED=$($AWSCLI elbv2 describe-load-balancer-attributes $PROFILE_OPT --region $regx --load-balancer-arn $elbarn --query Attributes[*] --output text |grep "^access_logs.s3.enabled"|cut -f2|grep true)
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ELBV2_NAME=$(echo $elbarn|cut -d\/ -f3)
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if [[ $CHECK_ELBSV2_LOG_ENABLED ]]; then
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textPass "$regx: $ELBV2_NAME has access logs to S3 configured" "$regx" "$elb"
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else
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textFail "$regx: $ELBV2_NAME has not configured access logs" "$regx" "$elb"
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fi
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done
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fi
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else
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textInfo "$regx: No ELBs found" "$regx"
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fi
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done
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}
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