Data Source: AWS CloudTrail PutKeyPolicy

Description

Logs changes made to AWS Key Management Service (KMS) key policies, including updates and permission assignments.

Details

Property Value
Source aws_cloudtrail
Sourcetype aws:cloudtrail
Separator eventName
Name ▲▼ Technique ▲▼ Type ▲▼
AWS Detect Users creating keys with encrypt policy without MFA Data Encrypted for Impact TTP

Supported Apps

Event Fields

+ Fields
  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">action</span>
  
  <span class="pill kill-chain">app</span>
  
  <span class="pill kill-chain">authentication_method</span>
  
  <span class="pill kill-chain">aws_account_id</span>
  
  <span class="pill kill-chain">awsRegion</span>
  
  <span class="pill kill-chain">change_type</span>
  
  <span class="pill kill-chain">command</span>
  
  <span class="pill kill-chain">desc</span>
  
  <span class="pill kill-chain">dest</span>
  
  <span class="pill kill-chain">dvc</span>
  
  <span class="pill kill-chain">errorCode</span>
  
  <span class="pill kill-chain">errorMessage</span>
  
  <span class="pill kill-chain">eventCategory</span>
  
  <span class="pill kill-chain">eventID</span>
  
  <span class="pill kill-chain">eventName</span>
  
  <span class="pill kill-chain">eventSource</span>
  
  <span class="pill kill-chain">eventTime</span>
  
  <span class="pill kill-chain">eventType</span>
  
  <span class="pill kill-chain">eventtype</span>
  
  <span class="pill kill-chain">eventVersion</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">managementEvent</span>
  
  <span class="pill kill-chain">msg</span>
  
  <span class="pill kill-chain">object</span>
  
  <span class="pill kill-chain">object_attrs</span>
  
  <span class="pill kill-chain">object_category</span>
  
  <span class="pill kill-chain">product</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">readOnly</span>
  
  <span class="pill kill-chain">reason</span>
  
  <span class="pill kill-chain">recipientAccountId</span>
  
  <span class="pill kill-chain">region</span>
  
  <span class="pill kill-chain">requestID</span>
  
  <span class="pill kill-chain">requestParameters</span>
  
  <span class="pill kill-chain">requestParameters.aliasName</span>
  
  <span class="pill kill-chain">requestParameters.bypassPolicyLockoutSafetyCheck</span>
  
  <span class="pill kill-chain">requestParameters.customerMasterKeySpec</span>
  
  <span class="pill kill-chain">requestParameters.description</span>
  
  <span class="pill kill-chain">requestParameters.encryptionAlgorithm</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.aws:acm:arn</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.aws:cloudfront:arn</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.aws:lambda:FunctionArn</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.aws:s3:arn</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.SecretARN</span>
  
  <span class="pill kill-chain">requestParameters.encryptionContext.SecretVersionId</span>
  
  <span class="pill kill-chain">requestParameters.keyId</span>
  
  <span class="pill kill-chain">requestParameters.keySpec</span>
  
  <span class="pill kill-chain">requestParameters.keyUsage</span>
  
  <span class="pill kill-chain">requestParameters.limit</span>
  
  <span class="pill kill-chain">requestParameters.origin</span>
  
  <span class="pill kill-chain">requestParameters.pendingWindowInDays</span>
  
  <span class="pill kill-chain">requestParameters.policy</span>
  
  <span class="pill kill-chain">requestParameters.policyName</span>
  
  <span class="pill kill-chain">requestParameters.targetKeyId</span>
  
  <span class="pill kill-chain">resources{}.accountId</span>
  
  <span class="pill kill-chain">resources{}.ARN</span>
  
  <span class="pill kill-chain">resources{}.type</span>
  
  <span class="pill kill-chain">responseElements</span>
  
  <span class="pill kill-chain">responseElements.deletionDate</span>
  
  <span class="pill kill-chain">responseElements.keyId</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.arn</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.aWSAccountId</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.creationDate</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.customerMasterKeySpec</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.description</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.enabled</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.encryptionAlgorithms{}</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.keyId</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.keyManager</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.keyState</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.keyUsage</span>
  
  <span class="pill kill-chain">responseElements.keyMetadata.origin</span>
  
  <span class="pill kill-chain">result</span>
  
  <span class="pill kill-chain">result_id</span>
  
  <span class="pill kill-chain">sharedEventID</span>
  
  <span class="pill kill-chain">signature</span>
  
  <span class="pill kill-chain">source</span>
  
  <span class="pill kill-chain">sourceIPAddress</span>
  
  <span class="pill kill-chain">sourcetype</span>
  
  <span class="pill kill-chain">splunk_server</span>
  
  <span class="pill kill-chain">src</span>
  
  <span class="pill kill-chain">src_ip</span>
  
  <span class="pill kill-chain">src_user</span>
  
  <span class="pill kill-chain">src_user_id</span>
  
  <span class="pill kill-chain">src_user_name</span>
  
  <span class="pill kill-chain">src_user_type</span>
  
  <span class="pill kill-chain">start_time</span>
  
  <span class="pill kill-chain">status</span>
  
  <span class="pill kill-chain">tag</span>
  
  <span class="pill kill-chain">tag::eventtype</span>
  
  <span class="pill kill-chain">timestamp</span>
  
  <span class="pill kill-chain">user</span>
  
  <span class="pill kill-chain">user_access_key</span>
  
  <span class="pill kill-chain">user_agent</span>
  
  <span class="pill kill-chain">user_arn</span>
  
  <span class="pill kill-chain">user_group_id</span>
  
  <span class="pill kill-chain">user_id</span>
  
  <span class="pill kill-chain">user_name</span>
  
  <span class="pill kill-chain">user_type</span>
  
  <span class="pill kill-chain">userAgent</span>
  
  <span class="pill kill-chain">userIdentity.accessKeyId</span>
  
  <span class="pill kill-chain">userIdentity.accountId</span>
  
  <span class="pill kill-chain">userIdentity.arn</span>
  
  <span class="pill kill-chain">userIdentity.invokedBy</span>
  
  <span class="pill kill-chain">userIdentity.principalId</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.attributes.creationDate</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.attributes.mfaAuthenticated</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.sessionIssuer.accountId</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.sessionIssuer.arn</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.sessionIssuer.principalId</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.sessionIssuer.type</span>
  
  <span class="pill kill-chain">userIdentity.sessionContext.sessionIssuer.userName</span>
  
  <span class="pill kill-chain">userIdentity.type</span>
  
  <span class="pill kill-chain">userIdentity.userName</span>
  
  <span class="pill kill-chain">userName</span>
  
  <span class="pill kill-chain">vendor</span>
  
  <span class="pill kill-chain">vendor_account</span>
  
  <span class="pill kill-chain">vendor_product</span>
  
  <span class="pill kill-chain">vendor_region</span>
  
  <span class="pill kill-chain">vpcEndpointId</span>
  
</div>

Example Log

1{"eventVersion": "1.08", "userIdentity": {"type": "AssumedRole", "principalId": "AROAIJN34TPOD7C3TZWUU:botocore-session-1610357084", "arn": "arn:aws:sts::111111111111:assumed-role/okta_ro_role/botocore-session-1610357084", "accountId": "111111111111", "accessKeyId": "ASIAJQSQKHIXNXKJ4VHA", "sessionContext": {"sessionIssuer": {"type": "Role", "principalId": "AROAIJN34TPOD7C3TZWUU", "arn": "arn:aws:iam::111111111111:role/okta_ro_role", "accountId": "111111111111", "userName": "okta_ro_role"}, "webIdFederationData": {}, "attributes": {"mfaAuthenticated": "false", "creationDate": "2021-01-11T09:24:45Z"}}, "invokedBy": "lambda.amazonaws.com"}, "eventTime": "2021-01-11T09:25:00Z", "eventSource": "kms.amazonaws.com", "eventName": "Decrypt", "awsRegion": "us-west-2", "sourceIPAddress": "lambda.amazonaws.com", "userAgent": "lambda.amazonaws.com", "requestParameters": {"encryptionAlgorithm": "SYMMETRIC_DEFAULT", "encryptionContext": {"aws:lambda:FunctionArn": "arn:aws:lambda:us-west-2:111111111111:function:security-content-api-prod"}}, "responseElements": null, "requestID": "ae9e56c6-9e66-4a23-a23f-1d286e60f2e3", "eventID": "d9a25e61-43f0-4880-ad27-a66f32ba9fce", "readOnly": true, "resources": [{"accountId": "111111111111", "type": "AWS::KMS::Key", "ARN": "arn:aws:kms:us-west-2:111111111111:key/a2a157d6-b3fa-4c6d-89a0-5e60c981e79a"}], "eventType": "AwsApiCall", "managementEvent": true, "eventCategory": "Management", "recipientAccountId": "111111111111"}

Required Output Fields

  • dest

  • user

  • user_agent

  • src

  • vendor_account

  • vendor_region

  • vendor_product


Source: GitHub | Version: 4