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AWS EC2 Instance Victim to Metadata DNS Rebind Attack
Set up the guardduty integration.
Detect when an EC2 instance makes a DNS request and resolves to the AWS metadata IP address (169.254.169.254).
This rule lets you monitor this GuardDuty integration finding:
Triage & Response
- Determine which process made the DNS request. The DNS request can be found in the samples.
- Ensure the process is not a victim of an SSRF attack to steal the AWS EC2 Instance profile’s STS credentials.
- If the STS credentials are compromised: