Amazon GuardDuty Threat Detections for Suspicious DNS Traffic | Amazon Web Services

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Опубликовано 31 января 2024, 1:14
Amazon GuardDuty monitors DNS traffic from EC2 instances that use the Amazon DNS resolvers to detect potential malicious actor activities. However, malicious actors may attempt to mask their activity by using external DNS providers, or by using techniques such as sending DNS traffic over HTTPS (DoH), or over TLS (DoT). Amazon GuardDuty offers threat detections (finding types: DefenseEvasion:EC2/UnusualDNSResolver, DefenseEvasion:EC2/Unusual DoHActivity, and DefenseEvasion:EC2/UnusualDoTActivity) to help detect suspicious DNS traffic indicative of potential attempts by malicious actors to evade detection when performing activities such as exfiltrating data, or using command & control servers to communicate with malware. GuardDuty learns the expected DNS traffic patterns for the AWS environment to only alert when the activity is suspicious and indicative of potential malicious activity.

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#AmazonGuardDuty #suspiciousDNStraffic #UnusualDNSResolver #UnusualDoHActivity #UnusualDoTActivity #ThreatDetection #AWSSecurityServicesFeatureDemos #AWS #AmazonWebServices #CloudComputing
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