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Tools for brute force

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(@kolgrim)
Active Member
Joined: 18 years ago
Posts: 7
Topic starter  

What tools can I use to brute force an encrypted file that i don’t know anything about?


   
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(@kovar)
Prominent Member
Joined: 18 years ago
Posts: 805
 

Greetings,

My normal tools are Access Data's PRTK and PassAware's suite, but it really depends on what sort of file and what is was encrypted with. Perhaps something about the environment where you found the file will give you some ideas on what sort of file it is and how to approach it?

You might know how big the file is. You might know what sort of file system it was on. You might know what sort of operating system was running. Have you looked at the file with a hex editor to see if there are any magic numbers that might help, or just run "file" (*nix) against it?

-David


   
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(@kolgrim)
Active Member
Joined: 18 years ago
Posts: 7
Topic starter  

Greetings,

My normal tools are Access Data's PRTK and PassAware's suite, but it really depends on what sort of file and what is was encrypted with. Perhaps something about the environment where you found the file will give you some ideas on what sort of file it is and how to approach it?

You might know how big the file is. You might know what sort of file system it was on. You might know what sort of operating system was running. Have you looked at the file with a hex editor to see if there are any magic numbers that might help, or just run "file" (*nix) against it?

-David

It is a windows application, and all I want is a program to test a brute force attack.
So I need a tool that runs under windows xp.


   
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(@kovar)
Prominent Member
Joined: 18 years ago
Posts: 805
 

Greetings,

PRTK and PassAware both run on Windows. Give them a shot.

_David


   
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(@kolgrim)
Active Member
Joined: 18 years ago
Posts: 7
Topic starter  

Greetings,

PRTK and PassAware both run on Windows. Give them a shot.

_David

Doesn’t these programs only work with known files, like zip, doc, pdf.
But if I don’t know what it is.
Just want the brute force program to “feed” the login window with passwords.


   
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 kern
(@kern)
Trusted Member
Joined: 20 years ago
Posts: 67
 

Kolgrim

If "YOU" don't know what the program is the program makes a best guess based upon header information.

Your side of the job is to give the cracking program its best chance by feeding it with a profiled wordlist. bruteforce (look it up) is kinda dumb and will only work quickly with short-ish passwords

Kern


   
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E5Pro
(@e5pro)
Trusted Member
Joined: 18 years ago
Posts: 69
 

The Passware guys have a new free app

http//www.lostpassword.com/encryption-analyzer.htm

With EA you get all password recovery and decryption options that are available for the files of the cases you are investigating. Thanks to….

and much more marketing blather.

I just used it minutes ago. Also found out I needed to archive a case off the probe unit


   
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