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Cracking password protected zip files with John on OSX

1. install john the ripper
brew install john-jumbo

2. add john path to $PATH
vi ~/.bashrc
------------------8<--------------------
# for john
export PATH=$PATH:/usr/local/share/john
------------------8<--------------------
source ~/.bashrc

2. run john
zip2john Geheim.zip > zip_hash.txt
john zip_hash.txt

ex) 
$ zip2john Geheim.zip > zip_hash.txt
Geheim.zip->Geheim.txt PKZIP Encr: cmplen=57, decmplen=45, crc=CDCEEB7B

$ cat zip_hash.txt 
Geheim.zip:$pkzip$1*1*2*0*39*2d*cdceeb7b*0*28*0*39*cdce*b4e2f486b7ac79336589b0fa5841db48d2d737fecb303e1d54e6f6a69844a14d3996d8ec8698688dbcb32e1d45378e61b2a9be7d1c9f92ce8d*$/pkzip$

$ john zip_hash.txt 
Created directory: /Users/user1/.john
Loaded 1 password hash (PKZIP [32/64])
close            (Geheim.zip) <--------- PASSWORD HERE
guesses: 1  time: 0:00:00:00 DONE (Sat Aug 23 12:18:02 2014)  c/s: 1074K  trying: coc28 - cle57
Use the "--show" option to display all of the cracked passwords reliably

3. unzip with the password above

4. remove john log file
rm ~/.john/john.pot


Title
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