![]() An installation of the OllySSEH OllyDbg plugin installed within OllyDbg on your Windows system is preferred, but not essential.You can also use Immunity Debugger if you prefer, but just keep in mind your screenshots will appear slightly different to mine, and certain steps in this tutorial regarding OllyDbg plugins may not be able to be performed. You can obtain information about the program (which should be read before use) and download it from here: Windows 2000 desktop and server based systems may also work, but there are no guarantees. I would suggest sticking to reasonably recent windows desktop systems such as Windows XP SP2 and up, Windows Vista or Windows 7, as these are the systems that I have personally tested. The following software is required to follow along with this tutorial: This is covered under the following links: Lastly, you will require a basic knowledge of how stack based buffer overflows are exploited. Debugging fu damentals for explit development.For those who are new to these debuggers, or who may feel they need a refresher in assembly, the required skills are covered in the following links: This tutorial will also assume that the reader has a reasonable level of skill in using the OllyDbg or Immunity Debugger debugging applications, as well as a basic knowledge of X86 assembly language. ![]() To learn one method by which such vulnerabilities can actually be discovered, you can check out a previous Vulnserver related article on fuzzing, available here: The process of initially discovering vulnerabilities however is not covered in this tutorial. ![]() This tutorial covers how to confirm that a SEH stack based overflow vulnerability is exploitable, as well as how to actually develop the exploit.
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