Saturday, 5 April 2014

Nuit de Hack Quals -2014 Here Kitty Kitty!

Not much flags this time too..Managed to get 3 of them and will write however i got it.
Question:
Mirror Link : http://1drv.ms/1jjplOH

So well first thing we would think of is audacity.Lets try our luck..You get a weird waveform.I just zoomed in to see the waveform.I got a view of Morse code,before which i thought it was a binary . Dont zoom in much coz you would over think as binary numbers.It would look like this :

Note down accordingly and you would get this Morse code

..... -... -.-. ----. ..--- ..... -.... ....- ----. -.-. -... ----- .---- ---.. ---.. ..-. ..... ..--- . -.... .---- --... -.. --... ----- ----. ..--- ----. .---- ----. .---- -.-.

Decoding which will give a md5 hash : 5BC925649CB0188F52E617D70929191C
As the flag was case sensitive and was lowercase so the flag would be : 5bc925649cb0188f52e617d70929191c

Flag : 5bc925649cb0188f52e617d70929191c

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enter valid comments.Suggestions are most welcome and would be interested in correcting my mistakes.