CRACKING LEVEL 0

dimooz
5 years ago | edited 5 years ago

2

As already talked in this thread (and in this thread too), that could be fun if we could have a Cracking or Reverse Engineering section in HT. So I propose here a very first level to solve (I made it myself), for anyone who’d like to start with reverse engineering an easy way. Enjoy! (feedback is welcome)

[i]Let's see if you can authenticate yourself in this login process (easy level). Good luck![/i]

You can download the program to crack here.

Hint (for n00bs):

You’ll need some tools, like a Hex editor, a disassembler and/or a debugger. You’ll also need to follow some tutorial about reverse engineering, and know a little about some simple ASM instructions.

Feel free to PM me to submit your solutions, although you’ll know when you got it. I know this level is pretty easy to solve, but it’s made on purpose as it’s made for beginners.

[right]Click here to go to CRACKING LEVEL 1[/right]

WHO SOLVED IT? (in order of appearance)
Oct. 17, 2019 : @feuerstein
Oct. 21, 2019: @dannydeleto
[your_name_here_soon?]

7replies
4voices
564views
fred [feuerstein]
5 years ago

0

Good one to start. Take this one for a step-by-step debugging if you are not experienced yet with assembler

Darwin [DIDIx13]
5 years ago

0

Finally a cracking level I can get my hands on. :p

dimooz
5 years ago

0

Did you already give it a try?

Darwin [DIDIx13]
5 years ago

0

@dimooz Actually I took a quick look at it, but I need to take beginner reverse engineering course first :p

Darwin [DIDIx13]
5 years ago

0

Now I’m mostly on IDA and Hex editor digging, trying to figure out what am doing and what’s going on on my screen.

dimooz
5 years ago

0

It seems you’re on the right way with IDA :) big advantage of IDA is the “Pseudo-code” decompiler functionality, it’s pure magic. However, OllyDBG is enough for practice as a beginner (and it’s simpler to use)…

Sgt4chan
4 years ago

0

Solved it using IDA Disassembler. Just a matter of finding where the pass and username correctness is checked in assembler. Need more cracking levels! :D

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