[CrackMe] CrackMe Simulator 2018

This is a PoC-style test run for an application that I am currently developing as a personal project. Should anything weird happen, please report it to me and I’ll try to fix it. This is just a simple crackme so it shouldn’t be too hard once you start to figure out what’s happening… maybe…? :thinking:

Difficulty

Author Assigned Level: ¯\_(ツ)_/¯

Community Assigned Level:

  • Newbie
  • Wannabe
  • Hacker
  • Wizard
  • Guru

0 voters


Objective

  • Find the correct key.

Rules of Engagement

  • You may not modify the binary.

Binary

To retrieve the binary, use the following command with the base64 text below:

cat text | base64 -d | gunzip >binary
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Good luck!

13 Likes

The textbox insert newlines automattically on my mashine so some user has to use

base64 -id
for it to work

1 Like

Was fun! :smiley:

The flag is VM{M4TR1X}

3 Likes

Finally managed to finish it too :smiley:

$ ./crackme VM{M4TR1X}
Congratulations! You did it!

5 Likes

Although I’m late to this thread, I enjoy challenges a lot. So I’m going to put this on my to-do list.
-Archangel

Can i get some hint as to how to start cause i am new to c++ and this is my second reverse engineering. I put it in r2 but i am so confused as to how do i start.

So I think the name of the binary gives a clue. Run the executable in a debugger and see how it behaves. If you’re not familiar with r2, I would suggest you use something else like IDA Pro to make it easier on yourself.

thz for the reply, I managed to finish the beginner challenge of us [KEYGENME - EASY] Cracking Your First Program (learnt a lot) is this too big of a step for me hahaha?