The objective of the challenge is just to input something and it echoes back what you wrote and then writes in the end /bin/sh. It also writes back the setvbuff from the binary.

So when we visit the website we are to just input something but when we make a short fuzz test, we get this in return:

The goal of the challenge is to find a specific function to pass to the remote host that will be executed and return the flag. The difficulty is that the binary is very large, so searching through it would take ages if not done smartly.

The objective of this challenge is to perform simple **Buffer overflow**

The objective of this challenge is to perform **Format string attack**

The goal of the challenge is to use **Format string attack** and overwrite the **RIP** to make it point to the **get_shell** function.

The objective of this challenge is to use the **format string attack** to call **print_flag**

So the goal of this challenge is to find the correct password for the admin.