shellcode

2 posts

encode shellcode to bypass antivirus

Fully undetectable backdooring PE files

Introduction During Penetration testing engagement you are required to backdoor a specific executable with your own shellcode without increasing the size of the executable or altering its intended functionality and hopefully making it fully undetectable (FUD) how would you do it?. For example, after recon, you gather information that a lot number of employees use a certain “program/software”. The social engineering way to get in the victim’s network would be a phishing email to employees with a link to download “Updated version of that program”, which actually is the backdoored binary of the updated program. This post will cover how […]

Convert Hex To Assembly Using Simple Python Script

Convert Hex To Assembly Using Simple Python Script

How many lines of code it takes to convert Hex to Assembly? only FIVE Thanks to Python and Capstone!.┬áDuring binary analysis, exploit development or reverse engineering you require a quick dissembling of hex shellcode to assembly. You could do that using a dissembler like Ollydbg or IDA Pro, if you don’t want to use a full fledged dissembler to perform this small task the following code will help to convert hex to assembly using simple python script. Firstly if you don’t already have capstone you need to install it using the following:- Debian based Download and install using the following […]