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订阅 Amazon SNS 公告 GuardDuty

本节提供了有关订阅 Amazon SNS（SNS） GuardDuty 公告的信息，以接收有关新发布的调查发现类型、现有调查发现类型的更新以及其他功能更改的通知。通知以 Amazon SNS 支持的所有格式提供。

GuardDuty SNS 会向任何订阅账户发送有关 GuardDuty 服务 Amazon 更新的公告。要接收有关您账户中调查发现的通知，请参阅 使用 Amazon 处理 GuardDuty 调查结果 EventBridge。

您可以为 Amazon SQS 队列订阅此通知主题，但您必须使用位于同一区域的主题 ARN。有关更多信息，请参阅《Amazon Simple Queue Service 开发人员指南》中的教程：为 Amazon SQS 队列订阅 Amazon SNS 主题。

您也可以使用 Amazon Lambda 函数在收到通知时触发事件。有关更多信息，请参阅《Amazon Simple Queue Service 开发人员指南》中的使用 Amazon SNS 通知调用 Lambda 函数。

每个区域的 Amazon SN ARNs S 主题如下所示。

Amazon SNS 消息格式

GuardDuty 一般通知消息示例：

{
    "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"
}

解析的 Message 值（去掉转义引号）如下所示：

{
        "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"
                ]
             }
        ]
}

有关新调查发现的 GuardDuty 更新通知消息示例如下所示：

{
    "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 Amazon 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"
}

解析的 Message 值（去掉转义引号）如下所示：

{
    "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 Amazon 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."
    }]
}

有关 GuardDuty 功能 GuardDuty 更新的 Google 通知消息示例如下所示：

{
    "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"
}

解析的 Message 值（去掉转义引号）如下所示：

{
    "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"
    }]
}

有关 GuardDuty 更新调查发现的更新通知消息示例如下所示：

{
    "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"
}

解析的 Message 值（去掉转义引号）如下所示：

{
    "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."
    }]
}