Tag Archives: Assembly

This post has been created for completing the requirements of the Pentester Academy Linux Assembly Expert Certification. Student ID: PA-8535 The assignment requests to analyze three shellcodes, during the statement Vivek name three tools, so I’m going to analyze the … Continue reading →

This post has been created for completing the requirements of the Pentester Academy Linux Assembly Expert Certification. Student ID: PA-8535 I’m going to create a custom encoder/decoder to modify an original shellcode and after recover it and execute it. The … Continue reading →

This post has been created for completing the requirements of the Pentester Academy Linux Assembly Expert Certification. Student ID: PA-8535 Egg hunter is a type of shell code that is basically a two stages payload. The first stage searches for … Continue reading →

This post has been created for completing the requirements of the Pentester Academy Linux Assembly Expert Certification. Student ID: PA-8535 Code structure: 1. Create a socket 2. Connect to a IP and port 3. Redirect STDIN, STDOUT and STDERR to … Continue reading →

This post has been created for completing the requirements of the Pentester Academy Linux Assembly Expert Certification. Student ID: PA-8535 To achieve the objective of creating a Bind Shell TCP, we need to understand the code structure that we need … Continue reading →

Following the SLAE course I found an interesting subject that is how to create an encoder to hide our original shellcode. In this case we are going to use the XOR operation because it has the following property: (A xor … Continue reading →

Hello, in this post I will explain how to use execve syscall in a shellcode using the stack technique, the purpose of this shellcode is the same as the last shellcode from the previous post. As I told you in … Continue reading →

Following the last article content, we are going to pop a shell instead of printing Hello World in the screen. To do this we are going to use the Execve syscall. This syscall allows us to execute a new program … Continue reading →

Currently I’m studying SLAE certification of Pentester Academy and I found a really interesting video that explained this technique. I’m going to follow the course instructions step by step and try to explain it here the best as I can. … Continue reading →

In this article I’m going to write a quick introduction to intel x86 assembly language. We are going to create a program, that is going to print a sentence in the screen. Before starting programming, we need to know a … Continue reading →