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48 lines
1.9 KiB
Bash
48 lines
1.9 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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#
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# Remediation:
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#
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# https://d1.awsstatic.com/whitepapers/compliance/AWS_CIS_Foundations_Benchmark.pdf
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#
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# aws logs put-metric-filter \
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# --region us-east-1 \
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# --log-group-name CloudTrail/MyCloudTrailLG \
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# --filter-name AWSConsoleSignInFailures \
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# --filter-pattern '{ ($.eventName = ConsoleLogin) && ($.errorMessage = "Failed authentication") }' \
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# --metric-transformations metricName=ConsoleSigninFailureCount,metricNamespace=CloudTrailMetrics,metricValue=1
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#
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# aws cloudwatch put-metric-alarm \
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# --region us-east-1 \
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# --alarm-name "Console Sign-in Failures" \
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# --alarm-description "AWS Management Console Sign-in Failure Alarm." \
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# --metric-name ConsoleSigninFailureCount \
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# --namespace CloudTrailMetrics \
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# --statistic Sum \
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# --comparison-operator GreaterThanOrEqualToThreshold \
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# --evaluation-periods 1 \
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# --period 300 \
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# --threshold 3 \
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# --actions-enabled \
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# --alarm-actions arn:aws:sns:us-east-1:123456789012:CloudWatchAlarmTopic
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CHECK_ID_check36="3.6"
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CHECK_TITLE_check36="[check36] Ensure a log metric filter and alarm exist for AWS Management Console authentication failures (Scored)"
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CHECK_SCORED_check36="SCORED"
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CHECK_TYPE_check36="LEVEL2"
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CHECK_SEVERITY_check36="Medium"
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CHECK_ASFF_TYPE_check36="Software and Configuration Checks/Industry and Regulatory Standards/CIS AWS Foundations Benchmark"
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CHECK_ASFF_RESOURCE_TYPE_check36="AwsCloudTrailTrail"
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CHECK_ALTERNATE_check306="check36"
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check36(){
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check3x '\$\.eventName\s*=\s*ConsoleLogin.+\$\.errorMessage\s*=\s*"Failed authentication"'
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}
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