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prowler/checks/check32

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#!/usr/bin/env bash
# Prowler - the handy cloud security tool (c) by Toni de la Fuente
#
# This Prowler check is licensed under a
# Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
#
# You should have received a copy of the license along with this
# work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.
#
# Remediation:
#
# https://d1.awsstatic.com/whitepapers/compliance/AWS_CIS_Foundations_Benchmark.pdf
#
# aws logs put-metric-filter \
# --region us-east-1 \
# --log-group-name CloudTrail/CloudWatchLogGroup \
# --filter-name ConsoleSignInWithoutMfaCount \
# --filter-pattern '{ $.eventName = "ConsoleLogin" && $.additionalEventData.MFAUsed != "Yes" }' \
# --metric-transformations metricName=ConsoleSignInWithoutMfaCount,metricNamespace=CloudTrailMetrics,metricValue=1
#
# aws cloudwatch put-metric-alarm \
# --region us-east-1 \
# --alarm-name ConsoleSignInWithoutMfaAlarm \
# --alarm-description "Triggered by sign-in requests made without MFA." \
# --metric-name ConsoleSignInWithoutMfaCount \
# --namespace CloudTrailMetrics \
# --statistic Sum \
# --comparison-operator GreaterThanOrEqualToThreshold \
# --evaluation-periods 1 \
# --period 300 \
# --threshold 1 \
# --actions-enabled \
# --alarm-actions arn:aws:sns:us-east-1:123456789012:CloudWatchAlarmTopic
CHECK_ID_check32="3.2,3.02"
CHECK_TITLE_check32="[check32] Ensure a log metric filter and alarm exist for Management Console sign-in without MFA (Scored)"
CHECK_SCORED_check32="SCORED"
CHECK_TYPE_check32="LEVEL1"
CHECK_ALTERNATE_check302="check32"
check32(){
check3x '\$\.eventName\s*=\s*"ConsoleLogin".+\$\.additionalEventData\.MFAUsed\s*!=\s*"Yes"'
}