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55 lines
2.9 KiB
Bash
55 lines
2.9 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_extra7162="7.162"
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CHECK_TITLE_extra7162="[extra7162] Check if CloudWatch Log Groups have a retention policy of 365 days"
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CHECK_SCORED_extra7162="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7162="EXTRA"
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CHECK_SEVERITY_extra7162="Medium"
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CHECK_ASFF_RESOURCE_TYPE_extra7162="AwsLogsLogGroup"
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CHECK_ALTERNATE_check7162="extra7162"
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CHECK_SERVICENAME_extra7162="cloudwatch"
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CHECK_RISK_extra7162='If log groups have a low retention policy of less than 365 days; crucial logs and data can be lost'
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CHECK_REMEDIATION_extra7162='Add Log Retention policy of 365 days to log groups. This will persist logs and traces for a long time.'
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CHECK_DOC_extra7162='https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/AWS_Logs.html'
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CHECK_CAF_EPIC_extra7162='Data Retention'
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extra7162() {
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# "Check if CloudWatch Log Groups have a retention policy of 365 days"
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declare -i LOG_GROUP_RETENTION_PERIOD_DAYS=365
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for regx in $REGIONS; do
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LIST_OF_365_RETENTION_LOG_GROUPS=$($AWSCLI logs describe-log-groups $PROFILE_OPT --region $regx --query 'logGroups[?retentionInDays=="${LOG_GROUP_RETENTION_PERIOD_DAYS}"].[logGroupName]' --output text 2>&1)
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if [[ $(echo "$LIST_OF_365_RETENTION_LOG_GROUPS" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to describe log groups" "$regx"
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continue
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fi
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if [[ $LIST_OF_365_RETENTION_LOG_GROUPS ]]; then
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for log in $LIST_OF_365_RETENTION_LOG_GROUPS; do
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textPass "$regx: $log Log Group has 365 days retention period!" "$regx" "$log"
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done
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fi
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LIST_OF_NON_365_RETENTION_LOG_GROUPS=$($AWSCLI logs describe-log-groups $PROFILE_OPT --region $regx --query 'logGroups[?retentionInDays!="${LOG_GROUP_RETENTION_PERIOD_DAYS}"].[logGroupName]' --output text)
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if [[ $LIST_OF_NON_365_RETENTION_LOG_GROUPS ]]; then
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for log in $LIST_OF_NON_365_RETENTION_LOG_GROUPS; do
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textFail "$regx: $log Log Group does not have 365 days retention period!" "$regx" "$log"
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done
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fi
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REGION_NO_LOG_GROUP=$($AWSCLI logs describe-log-groups $PROFILE_OPT --region $regx --output text)
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if [[ $REGION_NO_LOG_GROUP ]]; then
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:
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else
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textInfo "$regx does not have a Log Group!" "$regx"
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fi
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done
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}
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