Files
prowler/checks/check312
Toni de la Fuente a2806ad86b populated checks
2018-03-23 10:05:20 -04:00

31 lines
1.8 KiB
Plaintext

CHECK_ID_check312=""
CHECK_TITLE_check312=""
CHECK_SCORED_check312=""
CHECK_TYPE_check312=""
CHECK_ALTERNATE_check312="check312"
check312(){
# "Ensure a log metric filter and alarm exist for changes to network gateways (Scored)"
textTitle "$ID312" "$TITLE312" "SCORED" "LEVEL1"
CLOUDWATCH_GROUP=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $REGION --query 'trailList[*].CloudWatchLogsLogGroupArn' --output text | tr ' ' '
' | awk -F: '{ print $7 }')
if [[ $CLOUDWATCH_GROUP ]];then
for group in $CLOUDWATCH_GROUP; do
CLOUDWATCH_LOGGROUP_REGION=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $REGION --query 'trailList[*].CloudWatchLogsLogGroupArn' --output text | awk -F: '{ print $4 }')
METRICFILTER_SET=$($AWSCLI logs describe-metric-filters --log-group-name $group $PROFILE_OPT --region $CLOUDWATCH_LOGGROUP_REGION --query 'metricFilters' | grep -E 'CreateCustomerGateway.*DeleteCustomerGateway.*AttachInternetGateway.*CreateInternetGateway.*DeleteInternetGateway.*DetachInternetGateway')
if [[ $METRICFILTER_SET ]];then
HAS_ALARM_ASSOCIATED=$($AWSCLI cloudwatch describe-alarms $PROFILE_OPT --region $CLOUDWATCH_LOGGROUP_REGION --query 'MetricAlarms[].MetricName' --output text | awk 'BEGIN {IGNORECASE=1}; /InternetGateway/ || /CustomerGateway/;')
if [[ $HAS_ALARM_ASSOCIATED ]];then
textOK "CloudWatch group $group found with metric filters and alarms for changes to network gateways"
else
textWarn "CloudWatch group $group found with metric filters but no alarms associated"
fi
else
textWarn "CloudWatch group $group found but no metric filters or alarms associated"
fi
done
else
textWarn "No CloudWatch group found for CloudTrail events"
fi
}