November 17, 2024

Penetration Testing with Shellcode

10 minutes

The Book titled "Penetration Testing with Shellcode" by Hamza Megahed. This book provides a comprehensive guide to detecting, exploiting, and securing network-level and operating system vulnerabilities. The book explores the concept of shellcode, a payload used to execute commands on a compromised system, and how it is utilized in buffer overflow attacks. It guides readers through the process of creating custom shellcode, overcoming challenges posed by bad characters, and understanding the techniques behind various shellcode types, including the execve syscall, bind TCP shell, and reverse TCP shell. The book further delves into buffer overflow attacks on both Linux and Windows systems, covering techniques like fuzzing, controlling the instruction pointer, and injecting shellcode. It also examines advanced techniques like return-oriented programming (ROP) and structured exception handling (SEH) for bypassing system security measures. The book concludes with a discussion of security mechanisms, such as ASLR and executable-space protection, that aim to prevent such attacks.

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