README.md

hardDOS [MISC 497]

DESCRIPTION :

Paying attention is mitey important! (Difficulty: Hard)

CHALLENGE :

nc 18.216.100.42 12345

DIFFICULTY :

HARD!

SOLVED BY:

BADboy17{ ;) }

Writeup:

Let's Start! The Challenge Prompts us to connect to the target .Then it gives us 3 choices to make(2nd) is real deal here.

Then it asks us to find the flag and gives us the Y/N option,

Although both the options are same 😆 Then comes the interesting part, We start by issuing the command echo ls . This gives a list of some DOS installation files. A lot of time was wasted in this step , first for guessing the right command and then to check all the files one by one with that command. The commmand was file FILENAME and the file was GRAPHICS.COM . Next step was to check for good looking strings in that file by strings FILENAME command and BTOOOM!!

The FLAG was there.

TUCTF{4LW4Y5_1NF3C7_7H353_19742_BY735}