Malwarebytes CrackMe 2: try another challenge

Posted on 4/27/2018 by

Last November, we released the first edition of the Malwarebytes CrackMe. Encouraged by the positive response we received from the security community, we decided to repeat the game, hopefully making it even more interesting and entertaining.

As before, the CrackMe is dedicated to malware analysts and to those who want to practice becoming them. That’s why it is not just a set of some abstract riddles, but an exercise that walks through selected tricks that were used in real malware. (Expect some original schemes designed just for this game, too.)

Of course, all is demonstrated on harmless examples, but we still recommend you use VM for reversing it so that it will not interfere with any antivirus protection.

Rules of the contest

There are two CrackMe contests:

  1. Capture the flag. The first three submitted flags win. The flag should be submitted along with (minimalistic) notes about the steps taken to find it. (No detailed write-up is required.)
  2. Best write-up. The write-up will be judged by its educational value, clarity, and accuracy. The author should show his/her method of solving the CrackMe, as well as their level of understanding of the techniques used. The write-up submission contest closes three weeks after capture the flag.

Submissions to both contests should be sent to my Twitter account: @hasherezade. Each of the four winners will get a prize: a book of his/her choice and some Malwarebytes swag.

At the end of the contest, I will publish my own solution, made from the point of view of author. All the submitted write-ups will be linked.

UPDATE: We already have the winners in the “Capture the flag” category: 1) Hexacorn 2) florek_pl 3) FraMauronz. Congratulations! Now we are waiting for your write-ups!

Asking questions

I want the contest to be fair to everyone, so I will not be answering any questions in private. However, if you are stuck, please don’t hesitate to post your question in the comments section of this post, and I will answer as soon as possible. The questions can be also answered by other participants. Giving false clues or teasing beginners will result in a ban—please respect fair play.

The application

The application is a Windows executable. It was tested on Windows 7 and above.

You can download it here.

Have fun!

The post Malwarebytes CrackMe 2: try another challenge appeared first on Malwarebytes Labs.

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