{"eventVersion":"1.08","userIdentity":{"type":"AssumedRole","principalId":"AROA2VNGJOMHODE234I32:i-055f92210c7e88c98","arn":"arn:aws:sts::733177541390:assumed-role/umbrella-ncasaltprd-instance-iamrole/i-055f92210c7e88c98","accountId":"733177541390","accessKeyId":"ASIA2VNGJOMHHUOSL5J3","sessionContext":{"sessionIssuer":{"type":"Role","principalId":"AROA2VNGJOMHODE234I32","arn":"arn:aws:iam::733177541390:role/umbrella-ncasaltprd-instance-iamrole","accountId":"733177541390","userName":"umbrella-ncasaltprd-instance-iamrole"},"webIdFederationData":{},"attributes":{"creationDate":"2024-07-31T22:04:37Z","mfaAuthenticated":"false"},"ec2RoleDelivery":"2.0"}},"eventTime":"2024-07-31T23:05:39Z","eventSource":"ssm.amazonaws.com","eventName":"UpdateInstanceInformation","awsRegion":"us-west-1","sourceIPAddress":"198.22.199.149","userAgent":"aws-sdk-go/1.51.20 (go1.21.11; windows; amd64) exec-env/EC2 amazon-ssm-agent/","requestParameters":{"instanceId":"i-055f92210c7e88c98","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":"NCASALTPRDAPP02.prdnca.umbrellaint.com","agentName":"amazon-ssm-agent","availabilityZone":"us-west-1c","availabilityZoneId":"usw1-az1","sSMConnectionChannel":"ssmmessages"},"responseElements":null,"requestID":"ae3b4854-8e80-448f-941f-a596d2fbebda","eventID":"60c04113-8c00-4267-b62a-a3eb7434ead8","readOnly":false,"eventType":"AwsApiCall","managementEvent":true,"recipientAccountId":"733177541390","eventCategory":"Management","tlsDetails":{"tlsVersion":"TLSv1.2","cipherSuite":"ECDHE-RSA-AES128-GCM-SHA256","clientProvidedHostHeader":"ssm.us-west-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: 198.22.199.149
fieldExtractorName: aws_cloud_trail
messageType: audit_log
ruleCategory: AwsApiCall
ruleName: UpdateInstanceInformation
senderHost: 733177541390_CloudTrail_us-east-1
sensitivity: normal
sourceInfo: unknown
streamName: aws_cloud_trail
tags: ['us-west-1', 'aws_cloud_trail', 'audit_log']
vendorCode: ssm.amazonaws.com