{"eventVersion":"1.08","userIdentity":{"type":"AssumedRole","principalId":"AROA2VNGJOMHCHCEEQXH5:i-0277cf42383125dfd","arn":"arn:aws:sts::733177541390:assumed-role/wayne-nviprocprd-instance-iamrole/i-0277cf42383125dfd","accountId":"733177541390","accessKeyId":"ASIA2VNGJOMHHAPUW3OE","sessionContext":{"sessionIssuer":{"type":"Role","principalId":"AROA2VNGJOMHCHCEEQXH5","arn":"arn:aws:iam::733177541390:role/wayne-nviprocprd-instance-iamrole","accountId":"733177541390","userName":"wayne-nviprocprd-instance-iamrole"},"webIdFederationData":{},"attributes":{"creationDate":"2024-08-01T04:26:25Z","mfaAuthenticated":"false"},"ec2RoleDelivery":"2.0"}},"eventTime":"2024-08-01T05:04:28Z","eventSource":"ssm.amazonaws.com","eventName":"UpdateInstanceInformation","awsRegion":"us-east-1","sourceIPAddress":"157.126.34.96","userAgent":"aws-sdk-go/1.51.20 (go1.21.11; windows; amd64) exec-env/EC2 amazon-ssm-agent/","requestParameters":{"instanceId":"i-0277cf42383125dfd","agentVersion":"3.3.551.0","agentStatus":"Active","platformType":"Windows","platformName":"Microsoft Windows Server 2019 Datacenter","platformVersion":"10.0.17763","iPAddress":"HIDDEN_DUE_TO_SECURITY_REASONS","computerName":"NVIPROCPRDAPP02.prdnvi.wayneint.com","agentName":"amazon-ssm-agent","availabilityZone":"us-east-1d","availabilityZoneId":"use1-az6","sSMConnectionChannel":"ssmmessages"},"responseElements":null,"requestID":"83f5a47f-c2f0-459a-88d8-acfa433688c8","eventID":"66454e52-f316-4155-85ef-fd56dd88cd30","readOnly":false,"eventType":"AwsApiCall","managementEvent":true,"recipientAccountId":"733177541390","eventCategory":"Management","tlsDetails":{"tlsVersion":"TLSv1.2","cipherSuite":"ECDHE-RSA-AES128-GCM-SHA256","clientProvidedHostHeader":"ssm.us-east-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: 157.126.34.96
fieldExtractorName: aws_cloud_trail
messageType: audit_log
ruleCategory: AwsApiCall
ruleName: UpdateInstanceInformation
senderHost: 733177541390_CloudTrail_us-east-1_3
sensitivity: normal
sourceInfo: unknown
streamName: aws_cloud_trail
tags: ['us-east-1', 'aws_cloud_trail', 'audit_log']
vendorCode: ssm.amazonaws.com