HACKR.GG
Injection

SSRF — Server-Side Request Forgery

Make the server fetch URLs on your behalf — reaching internal services, cloud metadata APIs, and systems that are completely inaccessible from the internet.

Intermediate50 min11 lessons3 hands-on
Start free →I have an account
First lesson free. The full module is part of Pro.

You'll be able to

  • ✓Understand how SSRF turns the server into your proxy
  • ✓Reach internal services (metadata APIs, admin panels) via SSRF
  • ✓Bypass SSRF filters using DNS rebinding and alternative IP notation
  • ✓Escalate SSRF to cloud credential theft via IMDS endpoints

Lessons

  1. 1Capital One — 100 Million Records via SSRF
  2. 2What is SSRF?
  3. 3Finding and Exploiting SSRF
  4. 4Blind SSRF
  5. 5Your Turn: Make the Server FetchHANDS-ON
  6. 6Level Up: Dodge the BlocklistHANDS-ON
  7. 7Protocol Smuggling
  8. 8Tool — curl
  9. 9Module quiz
  10. 10Prevention & Defense
  11. 11Hands-on Lab: Exploit LinkPeekHANDS-ON
Start free →