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Real 17
This challenge is not going to be easy, it's a new concept that I discovered whilst doing some PHP coding the other week, I then crafted an exploit out of the code and managed to use it towards dangerous things, this challenge will simulate that as best as it can.
The content was drafted by paranoiahax, the original template was also by him, it was then ported to xhtml by me, and then re-designed by -cL.
For those willing to test this challenge, click here
Let me know: a) What you think. b) Whether you've beaten it. c) If there's any exploits in the challenge [other than the simulated one]. d) Dificulty rating.
Thanks, and good luck, ~system[]