aws_cloudtrail_createkey.yml

name: AWS CloudTrail CreateKey
id: fcfc1593-b6b5-4a0f-91c5-3c395116a8b9
version: 3
creation_date: '2024-05-22'
modification_date: '2026-05-13'
author: Patrick Bareiss, Splunk
description: Logs the creation of new AWS KMS keys, including details of key properties and associated metadata.
mitre_components:
    - Cloud Service Creation
    - Cloud Service Metadata
    - Instance Creation
    - Volume Metadata
source: aws_cloudtrail
sourcetype: aws:cloudtrail
separator: eventName
separator_value: CreateKey
supported_TA:
    - name: Splunk Add-on for AWS
      url: https://splunkbase.splunk.com/app/1876
      version: 8.1.2
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.bypassPolicyLockoutSafetyCheck
    - requestParameters.customerMasterKeySpec
    - requestParameters.description
    - requestParameters.keyUsage
    - requestParameters.origin
    - requestParameters.policy
    - resources{}.ARN
    - resources{}.accountId
    - resources{}.type
    - responseElements.keyMetadata.aWSAccountId
    - responseElements.keyMetadata.arn
    - responseElements.keyMetadata.creationDate
    - responseElements.keyMetadata.customerMasterKeySpec
    - responseElements.keyMetadata.description
    - responseElements.keyMetadata.enabled
    - responseElements.keyMetadata.encryptionAlgorithms{}
    - responseElements.keyMetadata.keyId
    - responseElements.keyMetadata.keyManager
    - responseElements.keyMetadata.keyState
    - responseElements.keyMetadata.keyUsage
    - responseElements.keyMetadata.origin
    - signature
    - source
    - sourceIPAddress
    - sourcetype
    - splunk_server
    - src
    - src_ip
    - start_time
    - tag
    - tag::eventtype
    - timeendpos
    - timestartpos
    - 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
output_fields:
    - dest
    - user
    - user_agent
    - src
    - vendor_account
    - vendor_region
    - vendor_product
example_log: '{"eventVersion": "1.08", "userIdentity": {"type": "AssumedRole", "principalId": "AROAIJIESMXKGCJRCTPR6:pbareiss@splunk.local", "arn": "arn:aws:sts::111111111111:assumed-role/okta_adm_role/pbareiss@splunk.local", "accountId": "111111111111", "accessKeyId": "ASIAYTOGP2RLK74OPBDR", "sessionContext": {"sessionIssuer": {"type": "Role", "principalId": "AROAIJIESMXKGCJRCTPR6", "arn": "arn:aws:iam::111111111111:role/okta_adm_role", "accountId": "111111111111", "userName": "okta_adm_role"}, "webIdFederationData": {}, "attributes": {"mfaAuthenticated": "false", "creationDate": "2021-01-11T09:03:18Z"}}}, "eventTime": "2021-01-11T09:56:31Z", "eventSource": "kms.amazonaws.com", "eventName": "CreateKey", "awsRegion": "us-west-2", "sourceIPAddress": "95.90.199.65", "userAgent": "aws-internal/3 aws-sdk-java/1.11.893 Linux/4.9.230-0.1.ac.223.84.332.metal1.x86_64 OpenJDK_64-Bit_Server_VM/25.272-b10 java/1.8.0_272 vendor/Oracle_Corporation", "requestParameters": {"origin": "AWS_KMS", "policy": "{\n    \"Id\": \"key-consolepolicy-3\",\n    \"Version\": \"2012-10-17\",\n    \"Statement\": [\n        {\n            \"Sid\": \"Enable IAM User Permissions\",\n            \"Effect\": \"Allow\",\n            \"Principal\": {\n                \"AWS\": \"arn:aws:iam::111111111111:root\"\n            },\n            \"Action\": \"kms:*\",\n            \"Resource\": \"*\"\n        },\n        {\n            \"Sid\": \"Allow access for Key Administrators\",\n            \"Effect\": \"Allow\",\n            \"Principal\": {\n                \"AWS\": \"arn:aws:iam::111111111111:user/patrick_cli\"\n            },\n            \"Action\": [\n                \"kms:Create*\",\n                \"kms:Describe*\",\n                \"kms:Enable*\",\n                \"kms:List*\",\n                \"kms:Put*\",\n                \"kms:Update*\",\n                \"kms:Revoke*\",\n                \"kms:Disable*\",\n                \"kms:Get*\",\n                \"kms:Delete*\",\n                \"kms:TagResource\",\n                \"kms:UntagResource\",\n                \"kms:ScheduleKeyDeletion\",\n                \"kms:CancelKeyDeletion\"\n            ],\n            \"Resource\": \"*\"\n        },\n        {\n            \"Sid\": \"Allow use of the key\",\n            \"Effect\": \"Allow\",\n            \"Principal\": {\n                \"AWS\": \"arn:aws:iam::111111111111:user/patrick_cli\"\n            },\n            \"Action\": [\n                \"kms:Encrypt\",\n                \"kms:Decrypt\",\n                \"kms:ReEncrypt*\",\n                \"kms:GenerateDataKey*\",\n                \"kms:DescribeKey\"\n            ],\n            \"Resource\": \"*\"\n        },\n        {\n            \"Sid\": \"Allow attachment of persistent resources\",\n            \"Effect\": \"Allow\",\n            \"Principal\": {\n                \"AWS\": \"arn:aws:iam::111111111111:user/patrick_cli\"\n            },\n            \"Action\": [\n                \"kms:CreateGrant\",\n                \"kms:ListGrants\",\n                \"kms:RevokeGrant\"\n            ],\n            \"Resource\": \"*\",\n            \"Condition\": {\n                \"Bool\": {\n                    \"kms:GrantIsForAWSResource\": \"true\"\n                }\n            }\n        },\n        {\n            \"Sid\": \"Allow use of the key\",\n            \"Effect\": \"Allow\",\n            \"Principal\": {\n                \"AWS\": \"*\"\n            },\n            \"Action\": [\n                \"kms:Encrypt\"\n            ],\n            \"Resource\": \"*\"\n        }\n    ]\n}", "description": "", "customerMasterKeySpec": "SYMMETRIC_DEFAULT", "bypassPolicyLockoutSafetyCheck": false, "tags": [], "keyUsage": "ENCRYPT_DECRYPT"}, "responseElements": {"keyMetadata": {"aWSAccountId": "111111111111", "keyId": "f2a82583-a7d3-4c92-8787-fe2baab1cee1", "arn": "arn:aws:kms:us-west-2:111111111111:key/f2a82583-a7d3-4c92-8787-fe2baab1cee1", "creationDate": "Jan 11, 2021, 9:56:30 AM", "enabled": true, "description": "", "keyUsage": "ENCRYPT_DECRYPT", "keyState": "Enabled", "origin": "AWS_KMS", "keyManager": "CUSTOMER", "customerMasterKeySpec": "SYMMETRIC_DEFAULT", "encryptionAlgorithms": ["SYMMETRIC_DEFAULT"]}}, "requestID": "3356af25-a237-471f-ba5e-abb37d4a256f", "eventID": "f09518ac-5ae5-4214-80ee-4f23ccdedd4c", "readOnly": false, "resources": [{"accountId": "111111111111", "type": "AWS::KMS::Key", "ARN": "arn:aws:kms:us-west-2:111111111111:key/f2a82583-a7d3-4c92-8787-fe2baab1cee1"}], "eventType": "AwsApiCall", "managementEvent": true, "eventCategory": "Management", "recipientAccountId": "111111111111"}'