PWN101

Prerequisites 

Before jumping into this room, there are some prerequisites to complete the challenges:

1. C programming language
2. Assembly language (basics)
3. Some experience in reverse engineering, using debuggers, understanding low-level concepts
4. Python scripting and pwntools
5. A lot of patience

These are the things you're going to learn in this room:

• Buffer overflow
• Modify variable's value
• Return to win
• Return to shellcode
• Integer Overflow
• Format string exploit
• Bypassing mitigations
• GOT overwrite
• Return to PLT
• Playing with ROP

Start the Machine

If you feel you're ready to enter the land of pwn and pain click the Start Machine button to get started. Please allow around 5 minutes for all the challenges to become available.

I hope you enjoy this room. Keep an eye out for more binary exploitation challenges in my next room.

Important Note

You're working with a Ubuntu 20.04 LTS VM, so there will be stack alignment issues, make sure to add a ret gadget to solve it.