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aws_cloudtrail_createkey.yml
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name: AWS CloudTrail CreateKey
id: fcfc1593-b6b5-4a0f-91c5-3c395116a8b9
version: 2
date: '2025-01-23'
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: 7.9.1
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
example_log: '{"eventVersion": "1.08", "userIdentity": {"type": "AssumedRole", "principalId":
"AROAIJIESMXKGCJRCTPR6:[email protected]", "arn": "arn:aws:sts::111111111111:assumed-role/okta_adm_role/[email protected]",
"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"}'
output_fields:
- dest
- user
- user_agent
- src
- vendor_account
- vendor_region
- vendor_product