PACTF_2017: Hash Killer

Category: Points: 60 Description:

Qu’est que c’est? We were clearing out the old server and came across a really weird file…


Did someone say MD5? And that last line seems different from the rest…


Firstly, all the lines except the last one can be cracked as MD5, returning us decoded_hashes.txt. Looks like we have a hint regarding the last line, let's see.

8fc42c6ddf9966db3b09e84365034357 MD5 : the
c47d187067c6cf953245f128b5fde62a MD5 : word
424149e499a7cb738810dc0e537c8490 MD5 : 'AES'
0800fc577294c34e0b28ad2839435945 MD5 : hash
a2a551a6458a8de22446cc76d639a9e9 MD5 : is
8fc42c6ddf9966db3b09e84365034357 MD5 : the
3c6e0b8a9c15224a8228b9a98ca1531d MD5 : key

AES md5summed returns 76b7593457e2ab50befe2dcd63cf388f. Let's try making a Pythonic decrypter.

$ ./ 

Therefore, the flag is flag{w3_l0v3_3ncrypt10n}.

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