Wednesday, October 17, 2012

hackyou CTF: Steg 200

This challenge is a picture of a slightly creepy ghost thing (shown below).

When you adjust the Lightness and Saturation of the picture and turn Constrast all the way up (I used Gimp for this), a secret key appears.

The dots are 7 bit ASCII where the two dots is a 1 and the one dot is a 0. This message translates to aint_afraid_of_no_ghosts.

-- suntzu_II

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