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51 lines
2.6 KiB
Bash
51 lines
2.6 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_extra757="7.57"
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CHECK_TITLE_extra757="[extra757] Check EC2 Instances older than 6 months"
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CHECK_SCORED_extra757="NOT_SCORED"
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CHECK_CIS_LEVEL_extra757="EXTRA"
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CHECK_SEVERITY_extra757="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra757="AwsEc2Instance"
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CHECK_ALTERNATE_check757="extra757"
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CHECK_SERVICENAME_extra757="ec2"
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CHECK_RISK_extra757='Having old instances within your AWS account could increase the risk of having vulnerable software.'
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CHECK_REMEDIATION_extra757='Check if software running in the instance is up to date and patched accordingly. Use AWS Systems Manager to patch instances and view patching compliance information.'
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CHECK_DOC_extra757='https://docs.aws.amazon.com/systems-manager/latest/userguide/viewing-patch-compliance-results.html'
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CHECK_CAF_EPIC_extra757='Infrastructure Security'
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extra757(){
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OLDAGE="$(get_date_previous_than_months 6)"
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for regx in $REGIONS; do
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EC2_RUNNING=$($AWSCLI ec2 describe-instances --query "Reservations[*].Instances[*].[InstanceId]" $PROFILE_OPT --region $regx --output text 2>&1)
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if [[ $(echo "$EC2_RUNNING" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to describe instances" "$regx"
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continue
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fi
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if [[ $EC2_RUNNING ]]; then
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INSTACES_OLD_THAN_AGE=$($AWSCLI ec2 describe-instances --query "Reservations[].Instances[?LaunchTime<='$OLDAGE'][].{id: InstanceId, launched: LaunchTime}" $PROFILE_OPT --region $regx --output text)
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if [[ $INSTACES_OLD_THAN_AGE ]]; then
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while IFS= read -r ec2_instace
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do
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EC2_ID=$(echo "$ec2_instace" | awk '{print $1}')
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LAUNCH_DATE=$(echo "$ec2_instace" | awk '{print $2}')
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textFail "$regx: EC2 Instance $EC2_ID running before than $OLDAGE" "$regx" "$EC2_ID"
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done <<< "$INSTACES_OLD_THAN_AGE"
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else
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textPass "$regx: All Instances newer than 6 months" "$regx"
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fi
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else
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textInfo "$regx: No EC2 Instances Found" "$regx"
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fi
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done
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}
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