URL-encoding ( http-3A-2F-2F for http:// ) is a common obfuscation technique to evade pattern matching. Security tools must decode strings before comparing against known malicious patterns.
Use secret scanning tools (TruffleHog, Gitleaks) to find patterns like 169\.254\.169\.254 in repositories. curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken
Every time you see that internal IP address in logs, code, or payloads: . URL-encoding ( http-3A-2F-2F for http:// ) is a
curl -X PUT "http://169.254.169.254/latest/api/token" -H "Content-Type: application/json" how IMDSv2 works
First, request a token using PUT :
Understanding what 169.254.169.254 represents, how IMDSv2 works, and why attackers target the token endpoint will make you a better cloud architect, a stronger defender, or a more effective ethical hacker.