Request-url-http-3a-2f-2f169.254.169.254-2flatest-2fmeta | Data-2fiam-2fsecurity Credentials-2f

When decoded, the string translates to: request-url=http://169.254.169

The attacker configures these stolen credentials on their own local machine. They now have the exact same AWS permissions as the compromised EC2 instance, allowing them to steal data, delete resources, or deploy malware.

As they ventured deeper, they encountered the /meta-data/ path, which seemed to hold metadata about the kingdom and its inhabitants. Alex's curiosity grew, and they proceeded to the next part of the URL. Alex's curiosity grew, and they proceeded to the

This specific attack vector was the methodology used in the 2019 Capital One data breach. An attacker used SSRF on a misconfigured web application firewall (WAF) to query the EC2 metadata service, steal credentials, and subsequently exfiltrate over 100 million credit card applications.

The URL http://169.254.169.254/latest/meta-data/iam/security-credentials/ is a link-local address accessible only from within an EC2 instance. The URL http://169

By understanding the mechanics of metadata SSRF and implementing IMDSv2, you can significantly harden your cloud environment against one of the most common and damaging attack vectors in the industry today. If you'd like to dive deeper, I can help you with: A to disabling IMDSv1 via the CLI IAM policy templates to enforce IMDSv2 across your account How to set up GuardDuty alerts for stolen credentials Let me know which security layer you want to tackle first. Share public link

Protecting your cloud infrastructure requires a defense-in-depth approach. Transition to IMDSv2 Alex's curiosity grew

As they approached the portal, they noticed that it was a special HTTP endpoint, indicated by the http:// prefix. The numbers 169.254.169.254 seemed to point to a specific location within the kingdom.

# Step 1: Generate a Token (Valid for 6 hours / 21600 seconds) TOKEN=$(curl -X PUT "http://169.254.169" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600") # Step 2: Request the credentials using the header token curl -H "X-aws-ec2-metadata-token: $TOKEN" http://169.254.169 Use code with caution.