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52 lines
2.7 KiB
Bash
52 lines
2.7 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_extra7148="7.148"
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CHECK_TITLE_extra7148="[extra7148] Check if EFS File systems have backup enabled"
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CHECK_SCORED_extra7148="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7148="EXTRA"
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CHECK_SEVERITY_extra7148="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra7148="AwsEfsFileSystem"
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CHECK_ALTERNATE_check7148="extra7148"
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CHECK_SERVICENAME_extra7148="efs"
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CHECK_RISK_extra7148='If backup is not enabled; data is vulnerable. Human error or bad actors could erase or modify data.'
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CHECK_REMEDIATION_extra7148='Enable automated backup for production data. Define a retention period and periodically test backup restoration. A Disaster Recovery process should be in place to govern Data Protection approach.'
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CHECK_DOC_extra7148='https://docs.aws.amazon.com/efs/latest/ug/whatisefs.html'
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CHECK_CAF_EPIC_extra7148='Data Protection'
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extra7148() {
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for regx in $REGIONS; do
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LIST_OF_EFS_SYSTEMS=$($AWSCLI efs describe-file-systems $PROFILE_OPT --region $regx --query 'FileSystems[*].FileSystemId' --output text 2>&1)
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if [[ $(echo "$LIST_OF_EFS_SYSTEMS" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to describe file systems" "$regx"
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continue
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fi
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if [[ $LIST_OF_EFS_SYSTEMS ]]; then
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for filesystem in $LIST_OF_EFS_SYSTEMS; do
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# if retention is 0 then is disabled
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BACKUP_POLICY=$($AWSCLI efs describe-backup-policy $PROFILE_OPT --region $regx --file-system-id $filesystem --query BackupPolicy --output text 2>&1)
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if [[ $(echo "$BACKUP_POLICY" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to describe backup policy" "$regx"
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continue
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fi
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if [[ $BACKUP_POLICY == "DISABLED" ]]; then
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textFail "$regx: File system $filesystem does not have backup enabled!" "$regx" "$filesystem"
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else
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textPass "$regx: EFS File system $filesystem has backup enabled" "$regx" "$filesystem"
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fi
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done
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else
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textInfo "$regx: No EFS File systems found" "$regx" "$filesystem"
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fi
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done
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}
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