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https://github.com/ghndrx/prowler.git
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4961498562
Added a third parameter to checks textFail and textPass to identify resource name in finding.
50 lines
2.3 KiB
Bash
50 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (c) by Toni de la Fuente
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#
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# This Prowler check is licensed under a
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# Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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#
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# You should have received a copy of the license along with this
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# work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.
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CHECK_ID_check29="2.9"
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CHECK_TITLE_check29="[check29] Ensure VPC Flow Logging is Enabled in all VPCs (Scored)"
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CHECK_SCORED_check29="SCORED"
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CHECK_TYPE_check29="LEVEL2"
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CHECK_SEVERITY_check29="Medium"
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CHECK_ASFF_TYPE_check29="Software and Configuration Checks/Industry and Regulatory Standards/CIS AWS Foundations Benchmark"
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CHECK_ASFF_RESOURCE_TYPE_check29="AwsEc2Vpc"
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CHECK_ALTERNATE_check209="check29"
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CHECK_ASFF_COMPLIANCE_TYPE_check29="ens-op.mon.1.aws.flow.1"
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CHECK_SERVICENAME_check29="vpc"
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CHECK_RISK_check29='PC Flow Logs provide visibility into network traffic that traverses the VPC and can be used to detect anomalous traffic or insight during security workflows.'
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CHECK_REMEDIATION_check29='It is recommended that VPC Flow Logs be enabled for packet "Rejects" for VPCs. '
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CHECK_DOC_check29='http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/flow-logs.html '
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CHECK_CAF_EPIC_check29='Logging and Monitoring'
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check29(){
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# "Ensure VPC Flow Logging is Enabled in all VPCs (Scored)"
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for regx in $REGIONS; do
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AVAILABLE_VPC=$($AWSCLI ec2 describe-vpcs $PROFILE_OPT --region $regx --query 'Vpcs[?State==`available`].VpcId' --output text 2>&1)
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if [[ $(echo "$AVAILABLE_VPC" | grep AccessDenied) ]]; then
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textFail "$regx: Access Denied trying to describe VPCs"
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continue
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fi
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for vpcx in $AVAILABLE_VPC; do
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CHECK_FL=$($AWSCLI ec2 describe-flow-logs $PROFILE_OPT --region $regx --filter Name="resource-id",Values="${vpcx}" --query 'FlowLogs[?FlowLogStatus==`ACTIVE`].FlowLogId' --output text 2>&1)
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if [[ $(echo "$CHECK_FL" | grep AccessDenied) ]]; then
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textFail "$regx: VPC $vpcx Access Denied trying to describe flow logs" "$regx" "$vpcx"
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continue
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fi
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if [[ $CHECK_FL ]]; then
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for FL in $CHECK_FL; do
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textPass "$regx: VPC $vpcx VPCFlowLog is enabled for LogGroupName: $FL" "$regx" "$vpcx"
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done
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else
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textFail "$regx: VPC $vpcx VPCFlowLog is disabled" "$regx" "$vpcx"
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fi
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done
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done
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}
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