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https://github.com/hyc/fcrackzip
A braindead program for cracking encrypted ZIP archives. Forked from http://oldhome.schmorp.de/marc/fcrackzip.html
https://github.com/hyc/fcrackzip
Last synced: 14 days ago
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A braindead program for cracking encrypted ZIP archives. Forked from http://oldhome.schmorp.de/marc/fcrackzip.html
- Host: GitHub
- URL: https://github.com/hyc/fcrackzip
- Owner: hyc
- License: gpl-2.0
- Created: 2013-06-20T01:05:04.000Z (over 11 years ago)
- Default Branch: master
- Last Pushed: 2023-03-23T16:43:35.000Z (over 1 year ago)
- Last Synced: 2024-11-02T19:33:54.344Z (about 1 month ago)
- Language: C
- Size: 116 KB
- Stars: 443
- Watchers: 14
- Forks: 74
- Open Issues: 0
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Metadata Files:
- Readme: README
- Changelog: ChangeLog
- License: COPYING
- Authors: AUTHORS
Awesome Lists containing this project
- awesome-password-cracking - frackzip - Small tool for cracking encrypted ZIP archives. (Specific file formats / ZIP)
README
Original README text follows below. This archive was originally copied
from http://oldhome.schmorp.de/marc/fcrackzip.htmlThe original program spawns an external unzip binary when checking
password guesses (with the -u option). This is extremely slow, so I've
modified the code to use libzip instead. This speeds up guessing by
over a factor of 1000 on my laptop, even with SSD.libzip is available on mst Linux distros. I believe this program is
largely obsoleted now if you have John the Ripper with the Jumbo patch.
In john-1.7.9-jumbo-7 you can just use zip2john and then run john.-- Howard Chu
##### Original below #####
See fcrackzip.txt (which is derived from the manpage), or fcrackzip.html
There is a web page with more information at
http://lehmann.home.ml.org/fcrackzip.html or
http://www.goof.com/pcg/marc/fcrackzip.htmlA sample password-protected .zip file is included as "noradi.zip". It's
password has 6 lower case characters, and fcrackzip will find it (and a
number of false positives) withfcrackzip -b -c a -p aaaaaa ./noradi.zip
which will take between one and thirty minutes on typical machines.
To find out which of these passwords is the right one either try them out
or use the --use-unzip option.Marc