code_inside's ese
| Download codeinsideese.zip, 2 kb (password: crackmes.de) Browse contents of codeinsideese.zip try to decrypt the file 'encrypted.txt'
Difficulty: 3 - Getting harder | RatingWaiting for at least 3 votes View profile of code_inside » |
Solutions
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Discussion and comments
| aluigi 24. Apr 2007 | the only idea I have had for solving this crackme is brute forcing because doesn't exist a plain text version of the file so we have zero knowledge of what we should obtain, we know only that it must contain a mail address (so probably a text file with a @ in it). Anyway the algorithm is enough slow to brute force and we don't have informations about how is the password (alfabetic, alfanumeric, any char??? how much it's long?) and so at the moment I have thought to a brute forcer which works over a dynamic length of the file which makes it faster and then checks if all the chars in it are printable (isprintf())... but takes too much time too. Other ideas? Is really possible to solve this crackme without other data? |
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