Can you crack it (no, this is not about pirating)

[Linux711]

First off, I want to tell everyone that this is not about pirating or any illegal activity if that is what you were thinking. I don't want to get myself kicked from the forum.

Anyway, apparently the UK is seeking to hire people for computer security related purposes and for some reason this crack it thing is getting a lot of publicity. I even heard about it on a US national news station. I gave it a try, and got somewhere, but failed to complete it.

I have concluded that the code is actually an assembly language program and that you have to use one part to decode the other or something and there is also a key stored in the header of the main png file on the page.

I figured I'd post this because I was surprised by the amount of publicity it was getting and I also thought BC_Programmer could probably solve it.

Here is the link: http://www.canyoucrackit.co.uk/index.asp

[nickgr5]

I came across this after a simple search on Google:
http://www.canyoucrackit.co.uk/soyoudidit.asp

And here's a blog post about this: http://www.alwaysbetesting.co.uk/seo/how-to-crack-the-gchq-code-breaking-competition-using-google/

Anyway, that was a good motivation. People who really solved the problem proved themselves that they can do it. And no, that wasn't any illegal activity at all.

[Linux711]

http://www.canyoucrackit.co.uk/soyoudidit.asp

Yeah, but that's cheating.

[BC_Programmer]

I got to the point where I had some x86 assembly code. (well technically machine code, but I disassembled it), I ended up with this Assembly code. I didn't know where to go from there, though. it refused to assemble with MASM or NASM (something about pointers, I forget). So I said "bother to this" and did something else. I got curious and googled, turns out I got the very first of three steps right (yay, I guess). Apparently the missing bits were found inside a piece of base64 encoded data in the PNG file that they show you. Which is pretty silly. Then the Assembly will give you javascript or something, I forget the specifics.

was the eventual result, the person that found it first was within the first four hours, if I recall.
Pr0t3ct!on#cyber_security@12*12.2011+”

[Mulreay]

May be worth looking at this...

http://www.t3.com/news/gchq-canyoucrackit-puzzle-to-have-hidden-layer