Crack Password Protected .rar/.zip Files Using Kali Linux or Backtrack

Crack password protected zip/rar files using backtrack 5 & Kali Linux






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Mobeen Tariq Warriach

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[ Using Kali Linux ]

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1) Got to Kali Linux --> Password Attacks --> Offline Attacks --> fcrackzip
2) When fcrackzip is loaded you will see this options:
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-b brute force
-D dictionary Attack
-B benchmark
-c charset characterset
-h help
-V validate
-p init-password string
-l length min-max
-u use-unzip
-m method num
-2 modulo r/m
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3) To start crack the zip/rar file use this command
" fcrackzip -b -c a -l 1-6 /root/Desktop/crackfile.zip " ( The crackfile.zip, change it to
the directory and the name of the file that you want to crack )
-b = bruteforce
-c a = charset lower case alphabets
-l One-Six = length of expected password
4) Hit Enter
5) Wait until it finish, it may take some time depend on the password.




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[ Using Backtrack 5 ]

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1) Go to Backtrack --> Privilege Escalation --> Password Attacks --> Offline Attacks -->
fcrackzip
2) 2) When fcrackzip is loaded you will see this options:
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-b brute force
-D dictionary Attack
-B benchmark
-c charset characterset
-h help
-V validate
-p init-password string
-l length min-max
-u use-unzip
-m method num
-2 modulo r/m
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3) To start crack the zip/rar file use this command
" fcrackzip -b -c a -l 1-6 /root/Desktop/crackfile.zip "
-b = bruteforce
-c a = charset lower case alphabets
-l One-Six = length of expected password
4) Hit Enter, and wait until the pass is crack
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Note: This method does not guarantee for the result, it may take a lot of time even years for a very strong password to crack.