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Thread: Cryption

  1. #1

    Unhappy Cryption

    Is there any MD5 Online crack or any tool ?

    I am trying to decrypt this string since 1 week but no luck. Is there anyone who can guide my about any tool or any online site to decrypt this string.

    Thanks in advance if anyone would help me.


  2. #2
    Naides is Nobody
    Join Date
    Jan 2002
    Planet Earth
    [414f7777778f7dae4ec03c354b8f546742b545776d4f4d65546e7c9a508d7388] => "Whoever tries to decrypt me with so little extra information, is dumb"

    MD5 is NOT an encryption scheme per-se, it is a hashing algo (Digital signature to atest the integrity of a string of bytes) Wikipedia

    Search the Malattia cryptography site. . .

  3. #3
    Furthermore the posted string is surely NOT MD5.
    It's either two concatenated MD5's or something like SHA256 or anything completely different. As naides said, trying to decrypt it with so little info is just crazy.

  4. #4
    So here is little more information about this thing.

    This is the outgoing string from the software which seems to be MD5:


    This is the response which is also encrypted.

    414f7777778f7dae4ec03c354b8f546742b545776d4f4d65546e7c9a508d7388*5657274502D30256C62696379665E22356D 6162764*5657274502D30256C62696379665E23356D6162764*5657274502D30256C62696379665E26356D6162764*565727 4502D30256C62696379665E21356D6162764*77F68635E2E69616D4D62764*56469684E286475714D62764*86475714F6740 2C6C61634

    Same for another outgoing string.


    This is response:

    6e5742ad4bc07e7d5491703679645b99758241796e4b7c6d536d7e667ec1448a*5657274502D30256C62696379665E22356D 6162764*5657274502D30256C62696379665E23356D6162764*5657274502D30256C62696379665E26356D6162764*565727 4502D30256C62696379665E21356D6162764*77F68635E2E69616D4D62764*56469684E286475714D62764*86475714F6740 2C6C61634

    Now it is quite obvious for every serial this reponse will be different. I want to decrypt this incoming reponse.

    I tried to find out the answer and I noticed this. Only first response string is different and rest is same.

    For example.

    outgoing: 40f0d3bf1e233d140d40a9405bcf32a7

    Incoming First string:


    same another

    Outgoing: a81f8dc576f4a98fc102b5c84ae2af29

    Incoming First String :


    Is there anyone who can help me with this? Just wants to know what is the relation between this outgoing and incoming first string.

  5. #5
    Musician member evaluator's Avatar
    Join Date
    Sep 2001
    Blog Entries
    you must look in THAT program, how it decrypts-deals with such strings..

  6. #6
    <script>alert(0)</script> disavowed's Avatar
    Join Date
    Apr 2002
    I'd suggest using a rainbow table:

  7. #7
    Thank you Disavowed, but still no sucess

  8. #8
    try the not so difficult approach. run peid with kanal crypto plugin and see what algorithms are used in the program. once you see them, get the address and set a breakpoint on this location. then run the application and when it does that in/out exchange you will break on the algorithm. at this time you can confirm the algo type from kanal, if it is done client side (not server) you should be able to spot it easily. if kanal shows no algos found, or no algos you can break on, you can proceed to finding the routine which sends the data out and break there. dongs


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