• Syscalls on Windows 11

  24 Sep 2024

  Reversing the Windows 11 Syscall Handler Author: Andrea Di Dio If you have any further questions or suggestions after reading this writeup feel free to contact me at a.didio@student.vu.nl or on Twitter (@hammertux). I will try to answer any questions or adopt any suggestions :) Introduction The aim of this...

• Rowhammer - Flip Feng Shui

  19 Feb 2021

  Combining Flip-Feng-Shui and Opcode Flipping Author: Andrea Di Dio If you have any further questions or suggestions after reading this writeup feel free to contact me at a.didio@student.vu.nl or on Twitter (@hammertux). I will try to answer any questions or adopt any suggestions :) Introduction The aim of this writeup...

• How glibc calls main()

  27 Mar 2020

  (g)libc is the caller of main in C programs. If you’re curious about what is happening, take a few minutes to read on and if you have gdb/objdump, you can follow along :) Note: This is valid for Linux X86-64! Starting simple If we take a simple C program: #include...

• The Slab Allocator in the Linux kernel

  09 Jan 2020

  #include <linux/slab.h> Author: Andrea Di Dio If you have any further questions or suggestions after reading this writeup feel free to contact me at a.didio@student.vu.nl or on Twitter (@hammertux). I will try to answer any questions or adopt any suggestions :) Introduction Seeing as the Slab allocator is a fairly...

• Hello World

  09 Jan 2020

  Hi there :) Welcome to my personal page! I will keep general stuff I find interesting and post some of my writeups on here. Hopefully, they might be interesting/useful for others as well.