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workloadsecurity-events-aws-sns-cloudformation.json
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workloadsecurity-events-aws-sns-cloudformation.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Transform": "AWS::Serverless-2016-10-31",
"Description": "Misconfigured AWS CloudFormation Template for Cloud Conformity **WARNING** This template creates AWS Resources in the AWS US-EAST-1 Region. You will be billed for the AWS resources used if you create a stack from this template. Please delete this CloudFormation Stack when no longer in use. For cost and billing purposes, all resources are tagged with Project=TrendMicro tags. Use AWS Resource Groups' tag filter to identify created resources.",
"Parameters": {
"VpcId": {
"Type": "AWS::EC2::VPC::Id",
"Description": "VpcId of your existing Virtual Private Cloud (VPC)",
"ConstraintDescription": "must be the VPC Id of an existing Virtual Private Cloud."
},
"SubnetId": {
"Type": "AWS::EC2::Subnet::Id",
"Description": "SubnetId of an existing subnet (for the primary network) in your Virtual Private Cloud (VPC)",
"ConstraintDescription": "must be an existing subnet in the selected Virtual Private Cloud."
},
"C1WSApiSecretKey": {
"Type": "String",
"Description": "Cloud One Workload Security API Secret Key. To create an API key, refer https://cloudone.trendmicro.com/docs/workload-security/api-send-request/#create-an-api-key",
"ConstraintDescription": "must be a valid Cloud One Workload Security API Secret."
}
},
"Resources": {
"C1WSSnsTopic": {
"Type": "AWS::SNS::Topic",
"Properties": {
"DisplayName": "CloudOneWorkloadSecuritySnsTopic",
"TopicName": "CloudOneWorkloadSecuritySnsTopic",
"KmsMasterKeyId": {
"Fn::Join" : [
"", [
"arn:aws:kms:",
{ "Ref" : "AWS::Region" },
":",
{ "Ref" : "AWS::AccountId" },
":alias/aws/sns"
]
]
},
"Tags": [
{
"Key": "Owner",
"Value": "TrendMicro"
},
{
"Key": "Product",
"Value": "CloudOneWorkloadSecurity"
},
{
"Key": "Name",
"Value": "CloudOneWorkloadSecuritySnsTopic"
}
]
}
},
"C1WSEventsS3Bucket": {
"Type": "AWS::S3::Bucket",
"Properties": {
"VersioningConfiguration": {
"Status": "Suspended"
},
"AccessControl": "Private",
"CorsConfiguration": {
"CorsRules": [
{
"AllowedHeaders": [
"*"
],
"AllowedMethods": [
"POST",
"GET",
"PUT",
"DELETE",
"HEAD"
],
"AllowedOrigins": [
"*"
]
}
]
},
"BucketEncryption": {
"ServerSideEncryptionConfiguration": [
{
"ServerSideEncryptionByDefault": {
"SSEAlgorithm": "AES256"
}
}
]
},
"Tags": [
{
"Key": "Owner",
"Value": "TrendMicro"
},
{
"Key": "Product",
"Value": "CloudOneWorkloadSecurity"
},
{
"Key": "Name",
"Value": {
"Fn::Sub": "cloudoneworkloadsecurity-sns-events-bucket"
}
}
]
}
},
"C1WSEventsS3BucketPolicy": {
"Type" : "AWS::S3::BucketPolicy",
"Properties" : {
"Bucket" : {
"Ref": "C1WSEventsS3Bucket"
},
"PolicyDocument" : {
"Id": "C1WSEventsS3BucketPolicy-EnforceSSL",
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowSSLRequestsOnly",
"Action": "s3:*",
"Effect": "Deny",
"Resource": [
{
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
},
{
"Fn::Join": [
"",
[
{
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
},
"/*"
]
]
}
],
"Condition": {
"Bool": {
"aws:SecureTransport": "false"
}
},
"Principal": "*"
}
]
}
}
},
"C1WSAPIUserSnsPolicy": {
"Type": "AWS::IAM::Policy",
"Properties": {
"PolicyName": "CloudOneWorkloadSecurityEvent-Sns-Policy",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Action": [
"sns:Publish"
],
"Effect": "Allow",
"Resource": {
"Ref": "C1WSSnsTopic"
}
},
{
"Action": [
"kms:Decrypt",
"kms:DescribeKey",
"kms:Encrypt",
"kms:GenerateDataKey*",
"kms:ReEncrypt*"
],
"Effect": "Allow",
"Resource": {
"Fn::Join" : [
"", [
"arn:aws:kms:",
{ "Ref" : "AWS::Region" },
":",
{ "Ref" : "AWS::AccountId" },
":alias/aws/sns"
]
]
}
}
]
},
"Users": [
{
"Ref": "C1WSAPIUser"
}
]
}
},
"C1WSLambdaRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": [
"lambda.amazonaws.com"
]
},
"Action": [
"sts:AssumeRole"
]
}
]
},
"ManagedPolicyArns": [
"arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
],
"Description": "Workload Security S3 Lambda IAM Role",
"Path": "/",
"RoleName": "CloudOneWorkloadSecurityLambdaRole",
"Tags": [
{
"Key": "Owner",
"Value": "TrendMicro"
},
{
"Key": "Product",
"Value": "CloudOneWorkloadSecurity"
},
{
"Key": "Name",
"Value": "CloudOneWorkloadSecurityLambdaRole"
}
]
}
},
"C1WSS3LambdaPolicy": {
"Type": "AWS::IAM::Policy",
"Properties": {
"PolicyName": "CloudOneWorkloadSecurityEvent-S3-Policy",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:PutObject",
"s3:PutObjectAcl"
],
"Resource": [
{
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
},
{
"Fn::Join": [
"",
[
{
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
},
"/*"
]
]
}
]
}
]
},
"Roles": [
{
"Ref": "C1WSLambdaRole"
}
]
}
},
"C1WSAPIUser": {
"Type": "AWS::IAM::User",
"Properties": {
"Path": "/",
"Tags": [
{
"Key": "Owner",
"Value": "TrendMicro"
},
{
"Key": "Product",
"Value": "CloudOneWorkloadSecurity"
},
{
"Key": "Name",
"Value": "CloudOneWorkloadSecurityAPIUser"
}
],
"UserName": "CloudOneWorkloadSecurityAPIUser"
}
},
"C1WSAPIUserIAMAccessKey": {
"Type": "AWS::IAM::AccessKey",
"Properties": {
"Status": "Active",
"UserName": {
"Ref": "C1WSAPIUser"
}
}
},
"C1WSLambdaSnsS3Writer": {
"Type": "AWS::Serverless::Function",
"Properties": {
"Description": "Trend Micro Cloud One Workload Security lambda function to read Workload Security SIEM Events from the designated SNS topic and write to the designated S3 Bucket. Refer tags for the SNS Topic and S3 Bucket information.",
"FunctionName": "CloudOneWorkloadSecurityLambdaSnsS3Writer",
"Handler": "index.lambda_handler",
"Timeout": 5,
"Role": {
"Fn::GetAtt": [
"C1WSLambdaRole",
"Arn"
]
},
"Runtime": "nodejs12.x",
"InlineCode": {
"Fn::Sub": [
"var aws = require('aws-sdk');\nvar s3 = new aws.S3({apiVersion: '2006-03-01'});\nvar bucket = '${S3_BUCKET_NAME}'; var acl = 'public-read';\nvar s3prefix = 'DeepSecurityEvents/';\nvar ext = '.json';\n\nexports.lambda_handler = (sns, context) => {\n//retrieve the events from the sns json\nvar events = sns.Records[0].Sns.Message;\n//extract the date to use in s3 directory\nvar timestamp = sns.Records[0].Sns.Timestamp;\nvar date = getFormattedDate(new Date(timestamp));\n\n//add 5 random digits to prevent overwriting an existing file if two messages are received at the same ms i.e. DeepSecurityEvents/2016/07/20/2016-07-20T15:30:00.000Z12345.json\nvar random5digits = Math.floor(Math.random()*90000) + 10000;\n\nvar filename = s3prefix + date + '/' + timestamp + random5digits + ext;\nsendToS3(events, filename);\n};\n\nfunction getFormattedDate(d) {\n//returns yyyy/MM/dd\nreturn d.getFullYear() + '/' + twoDigits(d.getMonth() + 1) + '/' + twoDigits(d.getDate());\n}\n\nfunction twoDigits(n) {\nreturn n < 10 ? '0' + n : n;\n}\n\nfunction sendToS3(content, filename) {\nvar params = {\nBucket: bucket,\nKey: filename,\nACL: acl,\nBody: content\n};\ns3.putObject(params, function(err) {\nif (err) console.log(err, err.stack); // an error occurred\n});\n}",
{
"S3_BUCKET_NAME": {
"Ref": "C1WSEventsS3Bucket"
}
}
]
},
"Events": {
"SnsTriggerEvent": {
"Type": "SNS",
"Properties": {
"Topic": {
"Ref": "C1WSSnsTopic"
}
}
}
},
"Tags": {
"Owner": "TrendMicro",
"Product": "CloudOneWorkloadSecurity",
"Name": "CloudOneWorkloadSecurityLambdaSnsS3Writer",
"SnsTopicArn": {
"Ref": "C1WSSnsTopic"
},
"S3BucketArn": {
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
}
}
}
},
"C1WSConfigureSIEMLambdaFunction": {
"Type": "AWS::Lambda::Function",
"Properties": {
"Description": "Trend Micro Cloud One Workload Security lambda function to configure Workload Security SIEM using REST APIs",
"Handler": "index.lambda_handler",
"Timeout": 5,
"Role": {
"Fn::GetAtt": [
"C1WSLambdaRole",
"Arn"
]
},
"Runtime": "python3.6",
"Code": {
"ZipFile": "import cfnresponse\nimport urllib3\nimport json\n\ndef callCloudOneWorkloadSecurityApi(c1wsSecret, configKey, configValue):\n\tbaseUrl = 'https:\/\/app.deepsecurity.trendmicro.com\/api\/systemsettings\/'\n\turl = baseUrl + configKey\n\thttpBody = json.dumps({ \"value\": configValue })\n\thttp = urllib3.PoolManager()\n\theader = { 'Content-Type': 'application/json', 'Content-Length': str(len(httpBody)), 'Host': 'app.deepsecurity.trendmicro.com', 'api-version': 'v1', 'api-secret-key': c1wsSecret }\n\tx = http.request('POST', url, headers=header, body=httpBody)\n\treturn str(x.data)\n\ndef lambda_handler(event, context):\n\tprint(f\"Data in event: {event}\")\n\tresponse_data = \"\"\n\tresponseObj = {}\n\tif event[\"RequestType\"] == \"Create\" or event[\"RequestType\"] == \"Update\":\n\t\taws_sns_topic = str(event[\"ResourceProperties\"][\"C1WSSnsTopicArn\"])\n\t\tc1wsAwsIamUserAccesskey = str(event[\"ResourceProperties\"][\"C1WSAPIUserAccessKey\"])\n\t\tc1wsAwsIamUserSecretkey = str(event[\"ResourceProperties\"][\"C1WSAPIUserAccessSecret\"])\n\t\tc1wsApiSecretKey = str(event[\"ResourceProperties\"][\"C1WSApiSecretKey\"])\n\t\tc1wsSnsEventForwardingConfigJson = '{ \"platformSettingEventForwardingSnsAdvancedConfigEnabled\": \"false\", \"platformSettingEventForwardingSnsEnabled\": \"true\", \"platformSettingEventForwardingSnsConfigJson\": { \"Version\": \"2014-09-24\", \"Statement\": [ { \"Topic\": \"\", \"Condition\": { \"StringEquals\": { \"EventType\": [ \"SystemEvent\", \"AntiMalwareEvent\", \"WebReputationEvent\", \"AppControlEvent\", \"IntegrityEvent\", \"LogInspectionEvent\", \"PacketLog\", \"PayloadLog\" ] } } } ] }, \"platformSettingEventForwardingSnsSecretKey\": \"\", \"platformSettingEventForwardingSnsAccessKey\": \"\" }'\n\t\tc1wsSnsEventForwardingConfigDict = json.loads(c1wsSnsEventForwardingConfigJson)\n\t\tc1wsSnsEventForwardingConfigDict[\"platformSettingEventForwardingSnsConfigJson\"][\"Statement\"][0][\"Topic\"] = aws_sns_topic\n\t\tc1wsSnsEventForwardingConfigDict[\"platformSettingEventForwardingSnsSecretKey\"] = c1wsAwsIamUserSecretkey\n\t\tc1wsSnsEventForwardingConfigDict[\"platformSettingEventForwardingSnsAccessKey\"] = c1wsAwsIamUserAccesskey\n\n\t\tfor item in c1wsSnsEventForwardingConfigDict:\n\t\t\tresponse = \"\"\n\t\t\tresponse = callCloudOneWorkloadSecurityApi(c1wsApiSecretKey, str(item), str(c1wsSnsEventForwardingConfigDict[item]))\n\t\t\tresponse_data += response\n\t\t\tresponseObj = { \"Output\": response_data }\n\n\tcfnresponse.send(event, context, cfnresponse.SUCCESS, responseObj)"
},
"Tags": [
{
"Key": "Owner",
"Value": "TrendMicro"
},
{
"Key": "Product",
"Value": "CloudOneWorkloadSecurity"
},
{
"Key": "Name",
"Value": "CloudOneWorkloadSecurityLambdaConfigureSnsEventForwarding"
}
]
}
},
"CloudOneWorkloadSecurityConfigResource": {
"Type": "Custom::CloudOneWorkloadSecurityConfigResource",
"Properties": {
"ServiceToken": {
"Fn::GetAtt": [
"C1WSConfigureSIEMLambdaFunction",
"Arn"
]
},
"C1WSSnsTopicArn": {
"Ref": "C1WSSnsTopic"
},
"C1WSAPIUserAccessSecret": {
"Fn::GetAtt": [
"C1WSAPIUserIAMAccessKey",
"SecretAccessKey"
]
},
"C1WSAPIUserAccessKey": {
"Ref": "C1WSAPIUserIAMAccessKey"
},
"C1WSApiSecretKey": {
"Ref": "C1WSApiSecretKey"
}
}
}
},
"Outputs": {
"C1WSSnsTopicArn": {
"Description": "SNS Topic ARN for Trend Micro Cloud One Workload Security",
"Value": {
"Ref": "C1WSSnsTopic"
}
},
"C1WSEventsS3BucketArn": {
"Value": {
"Fn::GetAtt": [
"C1WSEventsS3Bucket",
"Arn"
]
},
"Description": "Bucket Name of the newly created S3 Bucket for Trend Micro Cloud One Workload Security"
},
"C1WSLambdaSnsS3Writer": {
"Description": "Lambda Function ARN for Trend Micro Cloud One Workload Security",
"Value": {
"Fn::GetAtt": [
"C1WSLambdaSnsS3Writer",
"Arn"
]
}
}
}
}