CrackMe® Practices for Newbies
PROJECT 5: zipfile.exe

Brute force attack was successful
Saturday, 13-Feb-99 22:26:29
    206.43.202.232 writes:



    I don't know if this is defeating the purpose of this project. Since I believe in going at things head first. I went ahead and did a brute force attack on the project file.

    I used AZPR ( Advanced Zip Recovery ) to Brute Force the zipfile.exe

    Since "EB" already gave us the password ( Thank God! ) I was able to tweak the program to save some time.

    Heres the results of a brute force attack

    For a 10 digit password consisting of probabilities of
    a-z , A-Z ,0-9 and extend ascii no blank spaces .

    Possible amount of passwords was around :

    59,873,693,923,837,894,660

    My computer found the correct password after trying

    35,760,000,421,306,086,400 passwords.

    Since I did tweak the program. I saved a incredible amount of time.
    But If I had to do this in the wild.
    Trying all printable characters. It would have taken about 1 1/2 to 2 weeks to
    crack it with a k6/2 266.

    This project has really made me appreciate cryptography alot more. ;)

    Dr. Zen

    Dr. Zen


Message thread:

Brute force attack was successful (Dr. Zen) (13-Feb-99 22:26:29)

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