AWS EC2 Instance Communicating Over Unusual Port
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AWS EC2 Instance Communicating Over Unusual Port

guardduty

Classification:

anomaly

Set up the guardduty integration.

Overview

Goal

Detect when an EC2 instance is communicating over an unusual port.

Strategy

This rule lets you monitor this GuardDuty integration finding:

Triage & Response

  1. Determine which port triggered the signal. This can be found in the samples.
  2. If the instance is compromised:
    • Review the AWS documentation on remediating a compromised EC2 instance.