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Exploit writing Tutorial

Free

Learn to write stack-based buffer overflows from scratch

FreeFree tier
Type
Open Source
Founded
2007
Company
Corelan

About Exploit writing Tutorial

The Corelan Exploit Writing Tutorial Part 1 is a detailed, step-by-step guide on building a stack-based buffer overflow exploit from scratch. Written by Peter Van Eeckhoutte (corelanc0d3r) in 2009, the tutorial uses the Easy RM to MP3 Converter vulnerability as a real-world example. It covers verifying the crash, controlling EIP, finding offsets, choosing shellcode, and writing a working exploit. Aimed at security enthusiasts and researchers, it emphasizes understanding the process over copying existing exploits and remains one of the most referenced free resources in exploit development education.

Key Features

Guided walkthrough from crash detection to working exploit
Uses Easy RM to MP3 Converter vulnerability (CVE-2009-???)
Explains stack overflow mechanics and EIP control
Covers finding offsets with pattern generation
Demonstrates shellcode integration and exploit stabilization
Free and publicly available educational content

Pros & Cons

Pros
  • Detailed and methodical approach suitable for beginners
  • Uses a real vulnerability as a practical example
  • Free and openly accessible without registration
  • Written by an experienced security researcher (corelanc0d3r)
  • Widely cited and trusted in the infosec community
Cons
  • Tutorial targets Windows XP SP2/SP3 (outdated OS)
  • Assumes some prior knowledge of assembly and debugging
  • Does not cover modern mitigations like ASLR or DEP
  • No interactive elements or video (text-only with screenshots)

Best For

Learning exploit development basicsUnderstanding stack-based buffer overflow attacksSecurity research and vulnerability analysis educationPreparing for advanced exploit writing or CTF challenges

FAQ

Is this exploit writing tutorial free?
Yes, the tutorial is freely available on Corelan.be without any cost.
What vulnerability is used in the tutorial?
The tutorial uses a reported buffer overflow vulnerability in Easy RM to MP3 Converter version 2.7.3.700.
What operating system is required?
The tutorial is demonstrated on Windows XP SP2 and SP3 (32-bit).
Do I need prior programming experience?
Basic knowledge of C and assembly language is recommended to fully understand the exploit writing process.