quentin meffre

Write-up of both pwn challenges Gimme sum fud and Yet Another HR Management Framework which are ELF binary compiled from Go lang.

Explanation of a heap exploit method, the fast bin duplicate attack. This post is based on the babyheap challenge from the 0ctf Quals 2017.

Points: 200 Category: Exploitation Author: Dagger

Points: 200 Category: Pwn Description: Chris is trying out to be a police officer and the applications have just been sent into the police academy. He is really eager to find out about his competition. Help it him back the system and view the other applicant’s applications.

Write-Up on the challenges "BaskinRobins31" and "OldSchool-NewAge" of the Codegate preliminary and Sharif CTF. This Write-Up will show you two ways to solve a Return Oriented Programming, with and without having access to the LibC.

Write-Up on the "Bad auth" SEC-IT challenge, or how to exploit a format strings without having access to the binary. (Blind format strings on an amd64)

Write-Up on the Cyber@Hack CTF.

Write-UP of the Pwn challenge "Just do it!" of the Tokyo westerns CTF.

How to make a polymorphic shellcode on a Linux system to bypass Network Intrusion Detection Systems.

Introduction to shellcode on a Linux system.