name: AWS CloudTrail CreateTask
id: 6501e4fe-05b2-45f1-bd51-9e06a94fa7d9
version: 2
date: '2025-01-23'
author: Patrick Bareiss, Splunk
description: Logs the creation of a new task in AWS services, such as ECS, including
  details about the task definition and resource allocation.
mitre_components:
- Scheduled Job Creation
- Scheduled Job Metadata
- Cloud Service Metadata
- Instance Creation
source: aws_cloudtrail
sourcetype: aws:cloudtrail
separator: eventName
separator_value: CreateTask
supported_TA:
- name: Splunk Add-on for AWS
  url: https://splunkbase.splunk.com/app/1876
  version: 7.10.0
fields:
- _time
- app
- awsRegion
- aws_account_id
- command
- date_hour
- date_mday
- date_minute
- date_month
- date_second
- date_wday
- date_year
- date_zone
- dest
- dvc
- errorCode
- eventCategory
- eventID
- eventName
- eventSource
- eventTime
- eventType
- eventVersion
- eventtype
- host
- index
- linecount
- managementEvent
- msg
- object_category
- product
- punct
- readOnly
- recipientAccountId
- region
- requestID
- requestParameters.cloudWatchLogGroupArn
- requestParameters.destinationLocationArn
- requestParameters.options.logLevel
- requestParameters.options.verifyMode
- requestParameters.schedule.scheduleExpression
- requestParameters.sourceLocationArn
- responseElements.taskArn
- sessionCredentialFromConsole
- signature
- source
- sourceIPAddress
- sourcetype
- splunk_server
- src
- src_ip
- start_time
- tag
- tag::eventtype
- timeendpos
- timestartpos
- tlsDetails.cipherSuite
- tlsDetails.clientProvidedHostHeader
- tlsDetails.tlsVersion
- user
- userAgent
- userIdentity.accessKeyId
- userIdentity.accountId
- userIdentity.arn
- userIdentity.principalId
- userIdentity.sessionContext.attributes.creationDate
- userIdentity.sessionContext.attributes.mfaAuthenticated
- userIdentity.sessionContext.sessionIssuer.accountId
- userIdentity.sessionContext.sessionIssuer.arn
- userIdentity.sessionContext.sessionIssuer.principalId
- userIdentity.sessionContext.sessionIssuer.type
- userIdentity.sessionContext.sessionIssuer.userName
- userIdentity.type
- userName
- user_access_key
- user_agent
- user_arn
- user_group_id
- user_id
- user_name
- user_type
- vendor
- vendor_account
- vendor_product
- vendor_region
example_log: '{"eventVersion": "1.08", "userIdentity": {"type": "AssumedRole", "principalId":
  "AROAYTOGP2RLDF6WQQQQQ:abc@acme.com", "arn": "arn:aws:sts::111111111111:assumed-role/AWSReservedSSO_SPLKAdministratorAccess_d9ce1347d0a6dd3f/abc@acme.com",
  "accountId": "111111111111", "accessKeyId": "ASIAYTOGP2RLOB2GM111", "sessionContext":
  {"sessionIssuer": {"type": "Role", "principalId": "AROAYTOGP2RLDF6WQQQQQ", "arn":
  "arn:aws:iam::111111111111:role/aws-reserved/sso.amazonaws.com/us-west-2/AWSReservedSSO_SPLKAdministratorAccess_d9ce1347d0a6dd3f",
  "accountId": "111111111111", "userName": "AWSReservedSSO_SPLKAdministratorAccess_d9ce1347d0a6dd3f"},
  "webIdFederationData": {}, "attributes": {"creationDate": "2023-03-14T21:53:15Z",
  "mfaAuthenticated": "false"}}}, "eventTime": "2023-03-14T22:05:36Z", "eventSource":
  "datasync.amazonaws.com", "eventName": "CreateTask", "awsRegion": "us-west-2", "sourceIPAddress":
  "1.1.1.1", "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36
  (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36", "requestParameters": {"sourceLocationArn":
  "arn:aws:datasync:us-west-2:111111111111:location/loc-0921d426f7955d416", "destinationLocationArn":
  "arn:aws:datasync:us-west-1:111111111111:location/loc-0b94cf657c358ef06", "cloudWatchLogGroupArn":
  "arn:aws:logs:us-west-2:111111111111:log-group:/aws/datasync", "options": {"verifyMode":
  "ONLY_FILES_TRANSFERRED", "logLevel": "BASIC"}, "excludes": [], "schedule": {"scheduleExpression":
  "cron(6 * * * ? *)"}, "tags": [], "includes": []}, "responseElements": {"taskArn":
  "arn:aws:datasync:us-west-2:111111111111:task/task-0c77dc0d4b0792ce6"}, "requestID":
  "de5f4282-aa2b-49b8-8d1b-c3bdb11e2fba", "eventID": "def4cd05-f845-4aec-bc96-07d6ce420d16",
  "readOnly": false, "eventType": "AwsApiCall", "managementEvent": true, "recipientAccountId":
  "111111111111", "eventCategory": "Management", "tlsDetails": {"tlsVersion": "TLSv1.2",
  "cipherSuite": "ECDHE-RSA-AES128-GCM-SHA256", "clientProvidedHostHeader": "datasync.us-west-2.amazonaws.com"},
  "sessionCredentialFromConsole": "true"}'
output_fields:
- dest
- user
- user_agent
- src
- vendor_account
- vendor_region
- vendor_product