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dynatrace_aws_security_hub_event_forwarder_template.yaml
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AWSTemplateFormatVersion: "2010-09-09"
Description: Template for Dynatrace AWS Security Hub Event Forwarder
Metadata:
License:
Description: |
Copyright 2025 Dynatrace LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Parameters:
AwsSecretArn:
Description: Arn of the created secret upfront.
Type: String
AwsSecretKeyName:
Description: Name of the secret key.
Default: "DYNATRACE_OPENPIPELINE_INGEST_API_TOKEN"
Type: String
DynatraceDomain:
Description: Domain of your Dynatrace instance e.g. https://ab12345.live.dynatrace.com
Type: String
DynatraceOpenPipelineEndpointPath:
Description: Path of the OpenPipeline security endpoint.
Default: "/platform/ingest/v1/events.security"
Type: String
Resources:
DynatraceAwsSecurityHubEventForwarderLambdaRole:
Type: AWS::IAM::Role
Properties:
RoleName:
Fn::Join:
- "-"
- - dynatrace-aws-security-hub-lambda-role
- !Ref AWS::Region
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
Version: "2012-10-17"
ManagedPolicyArns:
- arn:aws:iam::aws:policy/AWSLambdaExecute
Path: /
Policies:
- PolicyName: "dynatrace-aws-security-hub-event-forwarder-read-dynatrace-secret-token"
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: "Allow"
Action:
- "secretsmanager:GetSecretValue"
Resource: !Ref AwsSecretArn
Sid: "VisualEditor0"
DynatraceAwsSecurityHubEventForwarderLambdaFunction:
Type: AWS::Lambda::Function
Properties:
FunctionName: dynatrace-aws-security-hub-event-forwarder-lambda
Description: Dynatrace AWS security hub event forwarder lambda function.
TracingConfig:
Mode: "PassThrough"
Runtime: python3.12
Code:
ZipFile: |
import copy
import http.client
import json
import os
import uuid
from urllib.parse import urlparse
import boto3
def lambda_handler(event, context):
config = {
"AWS_SECRET_ARN": os.environ["AWS_SECRET_ARN"],
"AWS_SECRET_KEY_NAME": os.environ["AWS_SECRET_KEY_NAME"],
"DYNATRACE_DOMAIN": os.environ["DYNATRACE_DOMAIN"],
"DYNATRACE_OPENPIPELINE_SECURITY_ENDPOINT_PATH": os.environ["DYNATRACE_OPENPIPELINE_SECURITY_ENDPOINT_PATH"]
}
utils = Utils(config)
aws = AwsSecurityHubProcessor(utils)
aws.handler(event)
class AwsSecurityHubProcessor():
def __init__(self, util):
self.util = util
def handler(self, event):
token = self.util.get_token_secret()
try:
detail_type = event.get("detail-type")
if detail_type == "Security Hub Findings - Imported":
finding_type = event.get("detail").get("findings")[0].get("Types")[0]
if finding_type.startswith("Software and Configuration Checks/Vulnerabilities/CVE"):
self.process_vulnerability(event, token)
elif finding_type.startswith("Software and Configuration Checks/Industry and Regulatory Standards"):
self.process_compliance(event, token)
elif finding_type.startswith("TTPs") or finding_type.startswith("Effects") or finding_type.startswith(
finding_type, "Unusual Behaviors"):
self.process_detection(event, token)
# Fallback for generic/ unknown finding types.
else:
self.util.send_raw_finding(event, token)
else:
raise Exception(f'Unsupported detail-type: "{str(detail_type)}"')
return {
"statusCode": 200,
"body": json.dumps("Executed OpenPipeline security event export")
}
except Exception as e:
print(f'Error executing OpenPipeline security event export: {str(e)}')
return {
'statusCode': 500,
'body': 'Error executing OpenPipeline security event export'
}
def process_vulnerability(self, event, token):
process_entries = []
for finding in event.get("detail").get("findings"):
for resource in finding.get("Resources"):
for vulnerability in finding.get("Vulnerabilities"):
for vulnerable_package in vulnerability.get("VulnerablePackages"):
processed_entry = copy.deepcopy(event)
tmp_vulnerability = copy.deepcopy(vulnerability)
tmp_finding = copy.deepcopy(finding)
tmp_resource = copy.deepcopy(resource)
tmp_vulnerability["VulnerablePackages"] = [vulnerable_package]
tmp_finding["Vulnerabilities"] = [tmp_vulnerability]
tmp_finding["Resources"] = [tmp_resource]
processed_entry["detail"]["findings"] = [tmp_finding]
random_event_id = self.util.generate_uuid4()
processed_entry["uuid"] = str(random_event_id)
process_entries.append(processed_entry)
json_string = json.dumps(process_entries, default=str)
self.util.send_data_to_pipeline(json_string, token)
def process_compliance(self, event, token):
process_entries = []
for finding in event.get("detail").get("findings"):
for resource in finding.get("Resources"):
processed_entry = copy.deepcopy(event)
tmp_finding = copy.deepcopy(finding)
tmp_finding["Resources"] = [resource]
processed_entry["detail"]["findings"] = [tmp_finding]
random_event_id = self.util.generate_uuid4()
processed_entry["uuid"] = str(random_event_id)
process_entries.append(processed_entry)
json_string = json.dumps(process_entries, default=str)
self.util.send_data_to_pipeline(json_string, token)
def process_detection(self, event, token):
process_entries = []
for finding in event.get("detail").get("findings"):
for resource in finding.get("Resources"):
processed_entry = copy.deepcopy(event)
tmp_finding = copy.deepcopy(finding)
tmp_finding["Resources"] = [resource]
processed_entry["detail"]["findings"] = [tmp_finding]
random_event_id = self.util.generate_uuid4()
processed_entry["uuid"] = str(random_event_id)
process_entries.append(processed_entry)
json_string = json.dumps(process_entries, default=str)
self.util.send_data_to_pipeline(json_string, token)
class Utils:
def __init__(self, configuration):
self.config = configuration
def send_raw_finding(self, event, token):
processed_event = copy.deepcopy(event)
random_event_id = self.generate_uuid4()
processed_event["uuid"] = str(random_event_id)
json_string = json.dumps(processed_event, default=str)
self.send_data_to_pipeline(json_string, token)
def send_data_to_pipeline(self, data, token):
url = urlparse(self.config["DYNATRACE_DOMAIN"])
conn = http.client.HTTPSConnection(url.netloc)
headers = {
"Authorization": "Api-Token " + token,
"Content-Type": "application/json",
}
conn.request("POST", self.config["DYNATRACE_OPENPIPELINE_SECURITY_ENDPOINT_PATH"], body=data, headers=headers)
response = conn.getresponse()
if response.status > 299:
print(f"Error sending data to OpenPipeline, response status is: {str(response.status)}")
def get_token_secret(self):
session = boto3.session.Session()
client = session.client(
service_name="secretsmanager"
)
get_secret_value_response = client.get_secret_value(
SecretId=self.config["AWS_SECRET_ARN"]
)
secret_json = get_secret_value_response["SecretString"]
secret_dict = json.loads(secret_json)
return secret_dict[self.config["AWS_SECRET_KEY_NAME"]]
def generate_uuid4(self):
return uuid.uuid4()
Handler: "index.lambda_handler"
MemorySize: 128
Timeout: 600
Role: !GetAtt DynatraceAwsSecurityHubEventForwarderLambdaRole.Arn
Environment:
Variables:
AWS_SECRET_ARN: !Ref AwsSecretArn
AWS_SECRET_KEY_NAME: !Ref AwsSecretKeyName
DYNATRACE_DOMAIN: !Ref DynatraceDomain
DYNATRACE_OPENPIPELINE_SECURITY_ENDPOINT_PATH: !Ref DynatraceOpenPipelineEndpointPath
DynatraceAwsSecurityHubFindingEventRule:
Type: AWS::Events::Rule
Properties:
Description: "Forwards the security hub findings to the aws-security-hub-lambda function, which sends it to OpenPipeline"
EventPattern:
detail-type:
- "Security Hub Findings - Imported"
source:
- "aws.securityhub"
EventBusName: "default"
Targets:
- Arn: !GetAtt DynatraceAwsSecurityHubEventForwarderLambdaFunction.Arn
Id: "TargetFunction"
DynatraceAwsSecurityHubEventForwarderLambdaPermission:
Type: AWS::Lambda::Permission
Properties:
Action: lambda:InvokeFunction
FunctionName: !GetAtt DynatraceAwsSecurityHubEventForwarderLambdaFunction.Arn
Principal: events.amazonaws.com
SourceArn: !GetAtt DynatraceAwsSecurityHubFindingEventRule.Arn