Ever think you've nailed every SSRF bug only to watch your bounty dreams vanish? It's not just you. In 2024, over 60% of critical SSRF reports involved tricks other than the usual metadata game. So, what's everyone missing? Turns out, the best hackers are using a fresh arsenal of tools — ones that go way beyond just grabbing AWS credentials. Let's break open the world of SSRF hunting in 2025: practical, advanced, and — above all — actionable.

Why SSRF Still Dominates in 2025

Server-Side Request Forgery (SSRF) isn't just a "legacy" bug. As cloud-native architectures explode, so do the opportunities for pentesters and bug bounty hunters. The tricky part? Defenders learned to lock down things like the AWS metadata endpoint long ago. But the attack surface just keeps morphing — think custom internal APIs, overlooked cloud integrations, and weird new protocols.

A typical SSRF in 2025 isn't about curling http://169.254.169.254 anymore. It's about chaining misconfigurations, leveraging obscure protocols, and making the target server talk in ways its creators never expected.

Let's dive into the 12 must-have SSRF hunting tools that'll leave "just metadata" in the dust.

Interactsh: The Swiss Army Knife for External Callbacks

Ever wished you could see every time a remote server tries to fetch your payload? That's what Interactsh does. It's more than a pingback service — it tracks DNS, HTTP, and even out-of-band SMTP requests triggered by SSRF.

How It Works

  • Register a unique subdomain with Interactsh.
  • Use that domain as your SSRF payload target.
  • Sit tight—any server-side requests light up your Interactsh dashboard.

Practical Guide

Let's say you're testing a PDF generator endpoint like /generate?url=http://example.com.

  1. Start Interactsh:
   interactsh-clien

Plug your assigned URL into the SSRF parameter:``` /generate?url=http://<your-unique>.interactsh.co Watch for incoming requests.

Pro tip: Interactsh even logs HTTP request headers, which can leak internal tokens or environment variables — not just the fact of the fetch.

2. SSRFmap: Automated Internal Network Recon

SSRFmap is like SQLmap, but for SSRF. It's a tool I've used on actual pentests when I needed to map out what was sitting behind a firewall — using SSRF as my flashlight.

Why Use SSRFmap?

  • Automates scanning of internal IP ranges using SSRF.
  • Detects services like Redis, Memcached, Elasticsearch, and more.
  • Supports custom payloads (think: XSS, RCE, or whatever attack you want to chain).

Step-by-Step

  1. Install:
   git clone https://github.com/swisskyrepo/SSRFmap.git
   cd SSRFmap
   pip install -r requirements.tx

Configure your target endpoint and parameter:``` python ssrfmap.py -u "https://target.com/page?img_url=FUZZ" — lhost <your domain Let it rip. SSRFmap will try fetching dozens of internal services via the vulnerable parameter.

Heads up: Sometimes, you'll spot internal admin panels this way — prime for further exploitation.

3. Gopherus: Payload Generation for Gopher-Based SSRF

You might think HTTP(S) is all there is — but the Gopher protocol still pops up in SSRF chains, especially for RCE.

The Magic of Gopherus

  • Converts protocols like Redis, MySQL, or even custom HTTP POST into Gopher URLs.
  • Lets you trigger complex server-side actions via SSRF—like writing files or injecting commands.

Real Example: Redis Write via SSRF

Suppose you find an SSRF accepting gopher:// URLs. You want to poison a Redis instance.

  1. Generate a Redis payload:
   python gopherus.py --redis --cmd "set testkey hacked

Use the output as your SSRF payload:``` gopher://127.0.0.1:6379/_%2A1%0A%

This trick has landed many a critical bug bounty — especially when chained into RCE.

4. ffuf + SSRF: Fuzzing Internal Services via SSRF

Here's where it gets interesting. Fuzzers like ffuf aren't just for directories — they're powerful SSRF allies.

How?

  • Use SSRF to bounce requests into the victim's internal network.
  • Supply a wordlist of internal URLs or IPs.
  • Let ffuf handle the grunt work.

Try This

Say your SSRF endpoint "https://foo.com/fetch?url=" reflects errors or timing.

  1. Prepare a wordlist with internal services:
   127.0.0.1:80
   10.0.0.1:8080
   172.16.0.1:300

Fuzz with ffuf:``` ffuf -u "https://foo.com/fetch?url=http://FUZZ" -w wordlist.tx Watch for status or timing anomalies.

I've found internal Grafana dashboards and Jenkins this way. The cool part? You're using the target server as your internal scanner — stealthy and powerful.

5. Burp Collaborator: Classic, But Still Gold

Remember when everyone used Burp Collaborator only for blind XSS? Turns out, it's still a killer SSRF detection tool — especially for finding those "invisible" server-side fetches.

How To Use

  • Generate a Collaborator domain in Burp Suite.
  • Insert it into SSRF parameters.
  • Monitor DNS, HTTP, and SMTP interactions.

Collaborator will even catch funky protocols that Interactsh might miss.

6. SSRFire: SSRF Automation in the Browser

Testing a web app where SSRF is buried in JavaScript-heavy flows? SSRFire is a browser extension to automate payload injection — no more messing with repeater tabs for hours.

Why It Rocks

  • Injects SSRF payloads directly into form fields and AJAX calls.
  • Integrates with Interactsh for OOB detection.
  • Great for single-page apps and React frontends.

A time-saver when you're juggling dozens of endpoints.

7. EyeWitness: Screenshotting Internal Panels via SSRF

Let's say your SSRF can fetch anything — even HTML. Wouldn't it be sweet to get screenshots of internal dashboards, not just raw HTML?

Enter EyeWitness

  • Takes HTML responses from SSRF and renders screenshots in bulk.
  • Helps you visually spot juicy targets: admin panels, login forms, forgotten tools.

Workflow

  1. Collect a list of internal URLs via SSRFmap or manual guessing.
  2. For each, fetch the HTML via SSRF and save.
  3. Run EyeWitness:
   eyewitness -f urls.txt -d screenshots

Browse the images. Sometimes, seeing the panel is what gets you the bounty.

8. HackTricks SSRF Cheatsheet: The Ultimate Payload Library

HackTricks isn't a tool — it's a living repository of SSRF payloads, bypasses, and real-world tricks.

Why Bookmark It?

  • Updated constantly with the latest cloud and web bypasses.
  • Covers edge cases like SSRF to localhost over IPv6, alternative URL encodings, and protocol smuggling.
  • Includes payloads for AWS, Google Cloud, Azure, and more.

Whenever I'm stuck, a quick scroll through HackTricks often unlocks new angles.

9. ParamSpider + SSRF: Finding Hidden Parameters for Maximum Coverage

You can't exploit SSRF if you don't know where the parameters live. ParamSpider hunts down all possible URL and form parameters — discovered through crawling, JavaScript parsing, and guessing.

Combine with SSRF

  1. Run ParamSpider on your target domain:
   python3 paramspider.py --domain example.co

Get a juicy list of endpoints and parameters.

Test each for SSRF potential—even the ones not documented.

The "secret" admin endpoints with SSRF are usually the ones that pay out.

10. ssrf-king: Advanced OOB and Cloud SSRF Detection

ssrf-king is a newish framework built for 2025's cloud ecosystem. It automates detection of not just classic SSRF, but also cloud provider metadata, IMDSv2, and even internal GCP/Azure endpoints.

Features

  • Custom detection payloads for each cloud provider.
  • OOB integrations (works with Interactsh, Collaborator, or your own server).
  • Cloud-specific bypass techniques.

Real-World Example

If you're testing a cloud app, ssrf-king might light up requests to:

Key for bug bounty hunters chasing those modern cloud bounties.

11. Amass + SSRF: Expanding the Internal Map

You've found SSRF, but what's inside the network? Amass is usually used for external recon, but creative pentesters now feed Amass's subdomain list into SSRF probes.

How-To

  1. Harvest a list of internal domains:
   amass enum -d company.interna

Use each as a target for SSRF (e.g., http://admin.company.internal/).

Watch for unique responses or information leaks.

I've seen testers find "dev", "staging", and "ci" subdomains this way — often goldmines.

12. Custom SSRF Proxies: Building Your Own Tunnels

Sometimes, off-the-shelf tools aren't flexible enough. When you want to chain SSRF into a full proxy — browsing the internal network almost interactively — you'll want a custom SSRF proxy.

The Trick

  • Use SSRF to forward traffic from your browser through the victim.
  • Build a simple relay script using requests or curl.
  • Point Burp or your browser at this proxy.

Basic Example

Let's say the SSRF parameter is ?url=:

  1. Set up a Python Flask app as a relay:
   from flask import Flask, request
   import requests

   app = Flask(__name__)

   @app.route('/proxy')
   def proxy():
       target = request.args.get('target')
       resp = requests.get(f"https://victim.com/fetch?url={target}")
       return resp.content

   app.run(port=8080

Now, browse to http://localhost:8080/proxy?target=http://internal-service/.

The Flask app relays your request via the SSRF on the target.

You can chain this into full fuzzing, brute-forcing, or even interactive browsing. The sky's the limit.

None
Photo by Gabriel Heinzer on Unsplash

Beyond the Tools: Tactics That Really Work

You've got the tools, but SSRF is about strategy as much as tech. Here are three human lessons I've learned the hard way:

  • Always test HTTP AND HTTPS. Some filters allow one but block the other.
  • Check for URL encoding and trick the parser. Double-encoding, using @, or breaking hostnames (e.g., 127.0.0.1@evil.com) can bypass lazy filters.
  • Don't give up after "blocked". SSRF is all about persistence — try gopher, file, dict, or even custom schemas. I've seen servers fetch images via FTP and never realize it.

Chaining SSRF: The Real Bounty Hunter's Move

The highest bounties don't just stop at SSRF — they chain it into RCE, SQLi, or even privilege escalation. Here's a real scenario:

Chaining SSRF to RCE: A Mini Walkthrough

  1. Find SSRF in an image fetcher.
  2. Use SSRF to target an internal Jenkins panel (`http://localhost:8080`).
  3. Leak the Jenkins Crumb (CSRF token) via HTML parsing.
  4. Trigger a build with attacker-controlled scripts.
  5. Achieve RCE on the Jenkins host.

The trick? SSRF is the first domino.

Staying Sharp: Practice, Practice, Practice

The best SSRF hunters aren't just tool jockeys — they practice. Here's what works in 2025:

  • Play in live bug bounty programs where SSRF is in scope.
  • Set up a local lab with vulnerable apps (like SSRF Labs or Web Security Dojo).
  • Write your own payload generators—most bounties go to creative, persistent hackers.

Wrapping Up: Your 2025 SSRF Toolkit

Let's face it: SSRF isn't getting easier. But with these 12 advanced tools — and a relentless mindset — you're not just poking at metadata endpoints. You're mapping networks, chaining bugs, and scoring those high-impact bounties.

SSRF in 2025 is a moving target. But it's also one of the most rewarding attack surfaces out there. Get out there, get creative, and — most importantly — have fun breaking stuff (ethically, of course).

Got a favorite SSRF trick or tool not listed here? Share it with your fellow hackers — because, honestly, the best discoveries always come from the community.

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