{"eventVersion":"1.09","userIdentity":{"type":"IAMUser","principalId":"AIDAIGS6OA73WDHY2VERC","arn":"arn:aws:iam::733177541390:user/johndoe","accountId":"733177541390","accessKeyId":"AKIA2VNGJOMHDUVJGPFA","userName":"johndoe"},"eventTime":"2024-08-01T01:17:26Z","eventSource":"ec2.amazonaws.com","eventName":"DescribeInstances","awsRegion":"eu-north-1","sourceIPAddress":"204.72.12.1","userAgent":"aws-sdk-java/1.11.968 Linux/5.10.220-209.869.amzn2.x86_64 OpenJDK_64-Bit_Server_VM/25.401-b03 java/1.8.0_401 vendor/Azul_Systems,_Inc.","requestParameters":{"instancesSet":{},"filterSet":{"items":[{"name":"subnet-id","valueSet":{"items":[{"value":"subnet-0e171b76"}]}}]}},"responseElements":null,"requestID":"1660310e-4883-4bfc-8fc4-6b829c9a6d3c","eventID":"286f81af-719d-4257-a330-1be99a29db56","readOnly":true,"eventType":"AwsApiCall","managementEvent":true,"recipientAccountId":"733177541390","eventCategory":"Management","tlsDetails":{"tlsVersion":"TLSv1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","clientProvidedHostHeader":"ec2.eu-north-1.amazonaws.com"}}
This is a syslog message from a product called aws_cloud_trail by aws_cloud_trail. The following fields were extracted from the message:
clientIP: 204.72.12.1
fieldExtractorName: aws_cloud_trail
messageType: audit_log
ruleCategory: AwsApiCall
ruleName: DescribeInstances
senderHost: 733177541390_CloudTrail_us-east-1
sensitivity: normal
sourceInfo: unknown
streamName: aws_cloud_trail
tags: ['eu-north-1', 'aws_cloud_trail', 'audit_log']
userName: johndoe
vendorCode: ec2.amazonaws.com