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July 16, 2015 16:12
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CloudWatch Alarms for CloudTrail API Activity (CloudFormation Template)
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| { | |
| "AWSTemplateFormatVersion" : "2010-09-09", | |
| "Description" : "AWS CloudTrail API Activity Alarm Template for CloudWatch Logs", | |
| "Parameters" : { | |
| "LogGroupName" : { | |
| "Type" : "String", | |
| "Default" : "CloudTrail/DefaultLogGroup", | |
| "Description" : "Enter CloudWatch Logs log group name. Default is CloudTrail/DefaultLogGroup" | |
| }, | |
| "Email" : { | |
| "Type" : "String", | |
| "Description" : "Email address to notify when an API activity has triggered an alarm" | |
| } | |
| }, | |
| "Resources" : { | |
| "SecurityGroupChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = AuthorizeSecurityGroupIngress) || ($.eventName = AuthorizeSecurityGroupEgress) || ($.eventName = RevokeSecurityGroupIngress) || ($.eventName = RevokeSecurityGroupEgress) || ($.eventName = CreateSecurityGroup) || ($.eventName = DeleteSecurityGroup) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "SecurityGroupEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "SecurityGroupChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailSecurityGroupChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, update or delete a Security Group.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "SecurityGroupEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "NetworkAclChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = CreateNetworkAcl) || ($.eventName = CreateNetworkAclEntry) || ($.eventName = DeleteNetworkAcl) || ($.eventName = DeleteNetworkAclEntry) || ($.eventName = ReplaceNetworkAclEntry) || ($.eventName = ReplaceNetworkAclAssociation) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "NetworkAclEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "NetworkAclChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailNetworkAclChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, update or delete a Network ACL.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "NetworkAclEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "GatewayChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = CreateCustomerGateway) || ($.eventName = DeleteCustomerGateway) || ($.eventName = AttachInternetGateway) || ($.eventName = CreateInternetGateway) || ($.eventName = DeleteInternetGateway) || ($.eventName = DetachInternetGateway) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "GatewayEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "GatewayChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailGatewayChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, update or delete a Customer or Internet Gateway.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "GatewayEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "VpcChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = CreateVpc) || ($.eventName = DeleteVpc) || ($.eventName = ModifyVpcAttribute) || ($.eventName = AcceptVpcPeeringConnection) || ($.eventName = CreateVpcPeeringConnection) || ($.eventName = DeleteVpcPeeringConnection) || ($.eventName = RejectVpcPeeringConnection) || ($.eventName = AttachClassicLinkVpc) || ($.eventName = DetachClassicLinkVpc) || ($.eventName = DisableVpcClassicLink) || ($.eventName = EnableVpcClassicLink) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "VpcEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "VpcChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailVpcChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, update or delete a VPC, VPC peering connection or VPC connection to classic.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "VpcEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "EC2InstanceChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = RunInstances) || ($.eventName = RebootInstances) || ($.eventName = StartInstances) || ($.eventName = StopInstances) || ($.eventName = TerminateInstances) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "EC2InstanceEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "EC2InstanceChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailEC2InstanceChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, terminate, start, stop or reboot an EC2 instance.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "EC2InstanceEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "EC2LargeInstanceChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ (($.eventName = RunInstances) || ($.eventName = RebootInstances) || ($.eventName = StartInstances) || ($.eventName = StopInstances) || ($.eventName = TerminateInstances)) && (($.requestParameters.instanceType = *.8xlarge) || ($.requestParameters.instanceType = *.4xlarge)) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "EC2LargeInstanceEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "EC2LargeInstanceChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailEC2LargeInstanceChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, terminate, start, stop or reboot a 4x or 8x-large EC2 instance.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "EC2LargeInstanceEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "CloudTrailChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = CreateTrail) || ($.eventName = UpdateTrail) || ($.eventName = DeleteTrail) || ($.eventName = StartLogging) || ($.eventName = StopLogging) }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "CloudTrailEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "CloudTrailChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to create, update or delete a CloudTrail trail, or to start or stop logging to a trail.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "CloudTrailEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "ConsoleSignInFailuresMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.eventName = ConsoleLogin) && ($.errorMessage = \"Failed authentication\") }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "ConsoleSignInFailureCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "ConsoleSignInFailuresAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailConsoleSignInFailures", | |
| "AlarmDescription" : "Alarms when an unauthenticated API call is made to sign into the console.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "ConsoleSignInFailureCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "3" | |
| } | |
| }, | |
| "AuthorizationFailuresMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{ ($.errorCode = \"*UnauthorizedOperation\") || ($.errorCode = \"AccessDenied*\") }", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "AuthorizationFailureCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "AuthorizationFailuresAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailAuthorizationFailures", | |
| "AlarmDescription" : "Alarms when an unauthorized API call is made.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "AuthorizationFailureCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "IAMPolicyChangesMetricFilter": { | |
| "Type": "AWS::Logs::MetricFilter", | |
| "Properties": { | |
| "LogGroupName": { "Ref" : "LogGroupName" }, | |
| "FilterPattern": "{($.eventName=DeleteGroupPolicy)||($.eventName=DeleteRolePolicy)||($.eventName=DeleteUserPolicy)||($.eventName=PutGroupPolicy)||($.eventName=PutRolePolicy)||($.eventName=PutUserPolicy)||($.eventName=CreatePolicy)||($.eventName=DeletePolicy)||($.eventName=CreatePolicyVersion)||($.eventName=DeletePolicyVersion)||($.eventName=AttachRolePolicy)||($.eventName=DetachRolePolicy)||($.eventName=AttachUserPolicy)||($.eventName=DetachUserPolicy)||($.eventName=AttachGroupPolicy)||($.eventName=DetachGroupPolicy)}", | |
| "MetricTransformations": [ | |
| { | |
| "MetricNamespace": "CloudTrailMetrics", | |
| "MetricName": "IAMPolicyEventCount", | |
| "MetricValue": "1" | |
| } | |
| ] | |
| } | |
| }, | |
| "IAMPolicyChangesAlarm": { | |
| "Type": "AWS::CloudWatch::Alarm", | |
| "Properties": { | |
| "AlarmName" : "CloudTrailIAMPolicyChanges", | |
| "AlarmDescription" : "Alarms when an API call is made to change an IAM policy.", | |
| "AlarmActions" : [{ "Ref" : "AlarmNotificationTopic" }], | |
| "MetricName" : "IAMPolicyEventCount", | |
| "Namespace" : "CloudTrailMetrics", | |
| "ComparisonOperator" : "GreaterThanOrEqualToThreshold", | |
| "EvaluationPeriods" : "1", | |
| "Period" : "300", | |
| "Statistic" : "Sum", | |
| "Threshold" : "1" | |
| } | |
| }, | |
| "AlarmNotificationTopic": { | |
| "Type": "AWS::SNS::Topic", | |
| "Properties": { | |
| "Subscription": [ | |
| { | |
| "Endpoint": { "Ref": "Email" }, | |
| "Protocol": "email" | |
| } | |
| ] | |
| } | |
| } | |
| } | |
| } |
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Hi!
I am trying to parametrize, using sceptre, in an external YAML file, the parameter "LogGroupName".
Do you have any idea about how to do it ?
Thanks in advance,
M