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Como assinar anúncios do Amazon GuardDuty SNS

Esta seção fornece informações sobre como se inscrever em anúncios do Amazon SNS (Simple Notification Service) GuardDuty para receber notificações sobre os tipos de descobertas recém-lançados, as atualizações dos tipos de descobertas existentes e outras alterações de funcionalidade. As notificações estão disponíveis em todos os formatos compatíveis com o Amazon SNS.

O GuardDuty SNS envia anúncios sobre atualizações do GuardDuty serviço AWS para qualquer conta assinada. Para receber notificações sobre descobertas em sua conta, consulte Processando GuardDuty descobertas com a Amazon EventBridge.

É possível se inscrever uma fila do Amazon SQS neste tópico de notificação, mas deve-se usar um ARN de tópico que esteja na mesma região. Para obter mais informações, consulte Tutorial: Inscrever-se em uma fila do Amazon SQS para um tópico do Amazon SNS no Guia do desenvolvedor do Amazon Simple Queue Service.

Você também pode usar uma AWS Lambda função para acionar eventos quando as notificações forem recebidas. Para obter mais informações, consulte Invocar funções do Lambda usando notificações do Amazon SNS no Guia do desenvolvedor do Amazon Simple Queue Service.

O tópico do Amazon SNS ARNs para cada região é mostrada abaixo.

Formato da mensagem do Amazon SNS

Um exemplo de mensagem de notificação GuardDuty geral:

{
    "Type" : "Notification",
    "MessageId" : "9101dc6b-726f-4df0-8646-ec2f94e674bc",
    "TopicArn" : "arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements",
    "Message" : "{\"version\":\"1\",\"type\":\"GENERAL\",\"message\":[{\"title\":\"Updated AmazonGuardDutyFullAccess policy\",\"body\":\"Added permission that allows you to pass an IAM role to GuardDuty when you enable Malware Protection for S3.\",\"links\":[\"https://docs.aws.amazon.com//guardduty/latest/ug/security-iam-awsmanpol.html#security-iam-awsmanpol-AmazonGuardDutyFullAccess\"]}]}",
    "Timestamp" : "2018-03-09T00:25:43.483Z",
    "SignatureVersion" : "1",
    "Signature" : "XWox8GDGLRiCgDOXlo/fG9Lu/88P8S0FL6M6oQYOmUFzkucuhoblsdea3BjqdCHcWR7qdhMPQnLpN7y9iBrWVUqdAGJrukAI8athvAS+4AQD/V/QjrhsEnlj+GaiW+ozAu006X6GopOzFGnCtPMROjCMrMonjz7Hpv/8KRuMZR3pyQYm5d4wWB7xBPYhUMuLoZ1V8YFs55FMtgQV/YLhSYuEu0BP1GMtLQauxDkscOtPP/vjhGQLFx1Q9LTadcQiRHtNIBxWL87PSI+BVvkin6AL7PhksvdQ7FAgHfXsit+6p8GyOvKCqaeBG7HZhR1AbpyVka7JSNRO/6ssyrlj1g==",
    "SigningCertURL" : "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-433026a4050d206028891664da859041.pem",
    "UnsubscribeURL" : "https://sns.us-west-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements:9225ed2b-7228-4665-8a01-c8a5db6859f4"
}

O valor da mensagem analisada (sem aspas com escape) é mostrado abaixo:

{
        "version": "1",
        "type": "GENERAL",
        "message": [
            {
                "title": "Updated AmazonGuardDutyFullAccess policy",
                "body": "Added permission that allows you to pass an IAM role to GuardDuty when you enable Malware Protection for S3.",
                "links": [
                    "https://docs.aws.amazon.com//guardduty/latest/ug/security-iam-awsmanpol.html#security-iam-awsmanpol-AmazonGuardDutyFullAccess"
                ]
             }
        ]
}

Uma mensagem de exemplo de notificação de GuardDuty atualização sobre novas descobertas é mostrada abaixo:

{
    "Type" : "Notification",
    "MessageId" : "9101dc6b-726f-4df0-8646-ec2f94e674bc",
    "TopicArn" : "arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements",
    "Message" : "{\"version\":\"1\",\"type\":\"NEW_FINDINGS\",\"findingDetails\":[{\"link\":\"https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_unauthorized.html\",\"findingType\":\"UnauthorizedAccess:EC2/TorClient\",\"findingDescription\":\"This finding informs you that an EC2 instance in your AWS environment is making connections to a Tor Guard or an Authority node. Tor is software for enabling anonymous communication. Tor Guards and Authority nodes act as initial gateways into a Tor network. This traffic can indicate that this EC2 instance is acting as a client on a Tor network. A common use for a Tor client is to circumvent network monitoring and filter for access to unauthorized or illicit content. Tor clients can also generate nefarious Internet traffic, including attacking SSH servers. This activity can indicate that your EC2 instance is compromised.\"}]}",
    "Timestamp" : "2018-03-09T00:25:43.483Z",
    "SignatureVersion" : "1",
    "Signature" : "XWox8GDGLRiCgDOXlo/fG9Lu/88P8S0FL6M6oQYOmUFzkucuhoblsdea3BjqdCHcWR7qdhMPQnLpN7y9iBrWVUqdAGJrukAI8athvAS+4AQD/V/QjrhsEnlj+GaiW+ozAu006X6GopOzFGnCtPMROjCMrMonjz7Hpv/8KRuMZR3pyQYm5d4wWB7xBPYhUMuLoZ1V8YFs55FMtgQV/YLhSYuEu0BP1GMtLQauxDkscOtPP/vjhGQLFx1Q9LTadcQiRHtNIBxWL87PSI+BVvkin6AL7PhksvdQ7FAgHfXsit+6p8GyOvKCqaeBG7HZhR1AbpyVka7JSNRO/6ssyrlj1g==",
    "SigningCertURL" : "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-433026a4050d206028891664da859041.pem",
    "UnsubscribeURL" : "https://sns.us-west-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements:9225ed2b-7228-4665-8a01-c8a5db6859f4"
}

O valor da mensagem analisada (sem aspas com escape) é mostrado abaixo:

{
    "version": "1",
    "type": "NEW_FINDINGS",
    "findingDetails": [{
        "link": "https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_unauthorized.html",
        "findingType": "UnauthorizedAccess:EC2/TorClient",
        "findingDescription": "This finding informs you that an EC2 instance in your AWS environment is making connections to a Tor Guard or an Authority node. Tor is software for enabling anonymous communication. Tor Guards and Authority nodes act as initial gateways into a Tor network. This traffic can indicate that this EC2 instance is acting as a client on a Tor network. A common use for a Tor client is to circumvent network monitoring and filter for access to unauthorized or illicit content. Tor clients can also generate nefarious Internet traffic, including attacking SSH servers. This activity can indicate that your EC2 instance is compromised."
    }]
}

Uma mensagem de exemplo de notificação de GuardDuty atualização de GuardDuty funcionalidade é mostrada abaixo:

{
    "Type" : "Notification",
    "MessageId" : "9101dc6b-726f-4df0-8646-ec2f94e674bc",
    "TopicArn" : "arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements",
    "Message" : "{\"version\":\"1\",\"type\":\"NEW_FEATURES\",\"featureDetails\":[{\"featureDescription\":\"Customers with high-volumes of global CloudTrail events should see a net positive impact on their GuardDuty costs.\",\"featureLink\":\"https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_data-sources.html#guardduty_controlplane\"}]}",
    "Timestamp" : "2018-03-09T00:25:43.483Z",
    "SignatureVersion" : "1",
    "Signature" : "XWox8GDGLRiCgDOXlo/fG9Lu/88P8S0FL6M6oQYOmUFzkucuhoblsdea3BjqdCHcWR7qdhMPQnLpN7y9iBrWVUqdAGJrukAI8athvAS+4AQD/V/QjrhsEnlj+GaiW+ozAu006X6GopOzFGnCtPMROjCMrMonjz7Hpv/8KRuMZR3pyQYm5d4wWB7xBPYhUMuLoZ1V8YFs55FMtgQV/YLhSYuEu0BP1GMtLQauxDkscOtPP/vjhGQLFx1Q9LTadcQiRHtNIBxWL87PSI+BVvkin6AL7PhksvdQ7FAgHfXsit+6p8GyOvKCqaeBG7HZhR1AbpyVka7JSNRO/6ssyrlj1g==",
    "SigningCertURL" : "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-433026a4050d206028891664da859041.pem",
    "UnsubscribeURL" : "https://sns.us-west-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements:9225ed2b-7228-4665-8a01-c8a5db6859f4"
}

O valor da mensagem analisada (sem aspas com escape) é mostrado abaixo:

{
    "version": "1",
    "type": "NEW_FEATURES",
    "featureDetails": [{
        "featureDescription": "Customers with high-volumes of global CloudTrail events should see a net positive impact on their GuardDuty costs.",
        "featureLink": "https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_data-sources.html#guardduty_controlplane"
    }]
}

Uma mensagem de exemplo de notificação de GuardDuty atualização sobre descobertas atualizadas é mostrada abaixo:

{
    "Type": "Notification",
    "MessageId": "9101dc6b-726f-4df0-8646-ec2f94e674bc",
    "TopicArn": "arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements",
    "Message": "{\"version\":\"1\",\"type\":\"UPDATED_FINDINGS\",\"findingDetails\":[{\"link\":\"https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_unauthorized.html\",\"findingType\":\"UnauthorizedAccess:EC2/TorClient\",\"description\":\"Increased severity value from 5 to 8.\"}]}",
    "Timestamp": "2018-03-09T00:25:43.483Z",
    "SignatureVersion": "1",
    "Signature": "XWox8GDGLRiCgDOXlo/fG9Lu/88P8S0FL6M6oQYOmUFzkucuhoblsdea3BjqdCHcWR7qdhMPQnLpN7y9iBrWVUqdAGJrukAI8athvAS+4AQD/V/QjrhsEnlj+GaiW+ozAu006X6GopOzFGnCtPMROjCMrMonjz7Hpv/8KRuMZR3pyQYm5d4wWB7xBPYhUMuLoZ1V8YFs55FMtgQV/YLhSYuEu0BP1GMtLQauxDkscOtPP/vjhGQLFx1Q9LTadcQiRHtNIBxWL87PSI+BVvkin6AL7PhksvdQ7FAgHfXsit+6p8GyOvKCqaeBG7HZhR1AbpyVka7JSNRO/6ssyrlj1g==",
    "SigningCertURL": "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-433026a4050d206028891664da859041.pem",
    "UnsubscribeURL": "https://sns.us-west-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-west-2:934957504740:GuardDutyAnnouncements:9225ed2b-7228-4665-8a01-c8a5db6859f4"
}

O valor da mensagem analisada (sem aspas com escape) é mostrado abaixo:

{
    "version": "1",
    "type": "UPDATED_FINDINGS",
    "findingDetails": [{
        "link": "https://docs.aws.amazon.com//guardduty/latest/ug/guardduty_unauthorized.html",
        "findingType": "UnauthorizedAccess:EC2/TorClient",
        "description": "Increased severity value from 5 to 8."
    }]
}