📄 how to use the fast zip cracker (fzc).html
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<a href="http://blacksun.box.sk" target="_blank">http://blacksun.box.sk</a>
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______________________I <b> Topic:</b> I_____________________
\ I I /
\ HTML by: I <b>How to use the</b> I Written by: /
> I <b>Fast Zip Cracker (FZC)</b> I <a href="mailto:Ghost_Rider9@hotmail.com">Ghost_Rider</a> <
/ <a href="mailto:black_mesa@gmx.de">Martin L.</a> I_____________________________I <a href="mailto:barakirs@netvision.net.il">R a v e N</a> \
/___________________________> <_________________________\</pre>
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<p>8/1/2000 </p>
<p><br>
What is FZC? FZC is a program that cracks zip files (zip is a method of compressing
multiple files into one smaller file) that are password-protected (which means
you're gonna need a password to open the zip file and extract files out of it).
You can get it anywhere - just use a search engine such as altavista.com.<br>
FZC uses multiple methods of cracking - bruteforce (guessing passwords systematically
until the program gets it) or wordlist attacks (otherwise known as dictionary
attacks. Instead of just guessing passwords systematically, the program takes
passwords out of a "wordlist", which is a text file that contains
possible passwords. You can get lots of wordlists at www.theargon.com. Thanks
to Caboom for this tip).<br>
FZC can be used in order to achieve two different goals: you can either use
it to recover a lost zip password which you used to remember but somehow forgot,
or to crack zip passwords which you're not supposed to have. So like every tool,
this one can be used for good and for evil.<br>
The first thing I want to say is that reading this tutorial... is the easy way
to learn how to use this program, but after reading this part of how to use
the FZC you should go and check the texts that come with that program and read
them all. You are also going to see the phrase "check name.txt" often
in this text. These files should be in FZC's directory. They contain more information
about FZC.<br>
FZC is a good password recovery tool, because it's very fast and also support
resuming so you don't have to keep the computer turned on until you get the
password, like it used to be some years ago with older cracking programs. You
would probably always get the password unless the password is longer than 32
chars (a char is a character, which can be anything - a number, a lowercase
or undercase letter or a symbol such as ! or &) because 32 chars is the
maximum value that FZC will accept, but it doesn't really matter, because in
order to bruteforce a password with 32 chars you'll need to be at least immortal..heehhe..
to see the time that FZC takes with bruteforce just open the Bforce.txt file,
which contains such information.<br>
FZC supports brute-force attacks, as well as wordlist attacks. While brute-force
attacks don't require you to have anything, wordlist attacks require you to
have wordlists, which you can get from www.theargon.com. There are wordlists
in various languages, various topics or just miscellaneous wordlists. The bigger
the wordlist is, the more chances you have to crack the password.<br>
Now that you have a good wordlist, just get FZC working on the locked zip file,
grab a drink, lie down and wait... and wait... and wait...and have good thoughts
like "In wordlist mode I'm gonna get the password in minutes" or something
like this... you start doing all this and remember "Hey this guy started
with all this bullshit and didn't say how I can start a wordlist attack!..."
So please wait just a little more, read this tutorial 'till the end and you
can do all this "bullshit". :)</p>
<p> We need to keep in mind that are some people might choose some really weird
passwords (for example: 'e8t7@$^%*gfh), which are harder to crack and are certainly
impossible to crack (unless you have some weird wordlist). If you have a bad
luck and you got such a file, having a 200MB list won't help you anymore. Instead,
you'll have to use a different type of attack. If you are a person that gives
up at the first sign of failure, stop being like that or you won't get anywhere.
What you need to do in such a situation is to put aside your sweet xxx MB's
list and start using the Brute Force attack.<br>
If you have some sort of a really fast and new computer and you're afraid that
you won't be able to use your computer's power to the fullest because the zip
cracker doesn't support this kind of technology, it's your lucky day! FZC has
multiple settings for all sorts of hardware, and will automatically select the
best method.</p>
<p> Now that we've gone through all the theoretical stuff, let's get to the actual
commands.</p>
<hr width="250" align="left">
<b><font size="4">Bruteforce </font></b>
<hr width="250" align="left">
<br>
<p> The command line you'll need to use for using brute force is:</p>
<p> fzc -mb -nzFile.zip -lChr Lenght -cType of chars</p>
<p> Now if you read the bforce.txt that comes with fzc you'll find the description
of how works Chr Lenght and the Type of chars, but hey, I'm gonna explain this
too. Why not, right?...;) (but remember look at the bforce.txt too)</p>
<p> For Chr Lenght you can use 4 kind of switches...<br>
<br>
-> You can use range -> 4-6 :it would brute force from 4 Chr passwors
to 6 chr passwords<br>
-> You can use just one lenght -> 5 :it would just brute force using passwords
with 5 chars<br>
-> You can use also the all number -> 0 :it would start brute forcing
from passwords with lenght 0 to lenght 32, even if you are crazy i don't think
that you would do this.... if you are thinking in doing this get a live...<br>
-> You can use the + sign with a number -> 3+ :in this case it would brute
force from passwords with lenght 3 to passwords with 32 chars of lenght, almost
like the last option...</p>
<p> For the Type of chars we have 5 switches they are:</p>
<p> -> a for using lowercase letters<br>
-> A for using uppercase letters<br>
-> ! for using simbols (check the Bforce.txt if you want to see what simbols)<br>
-> s for using space <br>
-> 1 for using numbers<br>
<br>
<br>
Example:<br>
If you want to find a password with lowercase and numbers by brute force you
would just do something like:<br>
<br>
fzc -mb -nzTest.zip -l4-7 -ca1</p>
<p> This would try all combinations from passwords with 4 chars of lenght till
7 chars, but just using numbers and lowercase.</p>
<p>*****<br>
<b><font size="3">hint</font></b><br>
*****<br>
<br>
You should never start the first brute force attack to a file using all the
chars switches, first just try lowercase, then uppercase, then uppercase with
number then lowercase with numbers, just do like this because you can get lucky
and find the password much faster, if this doesn't work just prepare your brain
and start with a brute force that would take a lot of time. With a combination
like lowercase, uppercase, special chars and numbers. </p>
<hr width="250" align="left">
<b><font size="4">Wordlis</font></b>
<hr width="250" align="left">
<p> Like I said in the bottom and like you should be thinking now, the wordlist
is the most powerfull mode in this program. Using this mode, you can choose
between 3 modes, where each one do some changes to the text that is in the wordlist,
I'm not going to say what each mode does to the words, for knowing that just
check the file wlist.txt, the only thing I'm going to tell you is that the best
mode to get passwords is mode 3, but it takes longer time too.<br>
To start a wordlist attak you'll do something like.<br>
<br>
fzc -mwMode number -nzFile.zip -nwWordlist <br>
<br>
Where: </p>
<p> Mode number is 1, 2 or 3 just check wlist.txt to see the changes in each mode.
<br>
File.zip is the filename and Wordlist is the name of the wordlist that you want
to use. Remember that if the file or the wordlist isn't in the same directory
of FZC you'll need to give the all path.<br>
<br>
You can add other switches to that line like -fLine where you define in which
line will FZC start reading, and the -lChar Length where it will just be read
the words in that char length, the switche works like in bruteforce mode.<br>
So if you something like <br>
<br>
fzc -mw1 -nztest.zip -nwMywordlist.txt -f50 -l9+</p>
<p> FZC would just start reading at line 50 and would just read with length >=
to 9.</p>
<p> Example:</p>
<p> If you want to crack a file called myfile.zip using the "theargonlistserver1.txt"
wordlist, selecting mode 3, and you wanted FZC to start reading at line 50 you
would do:</p>
<p> fzc -mw3 -nzmyfile.zip -nwtheargonlistserver1.txt -f50</p>
<p><br>
</p>
<hr width="250" align="left">
<b><font size="4">Resuming </font></b>
<hr width="250" align="left">
<p> Other good feature in FZC is that FZC supports resuming. If you need to shutdown
your computer and FZC is running you just need to press the ESC key, and fzc
will stop. Now if you are using a brute force attack the current status will
be saved in a file called resume.fzc but if you are using a wordlist it will
say to you in what line it ended (you can find the line in the file fzc.log
too). <br>
To resume the bruteforce attack you just need to do:</p>
<p> fzc -mr <br>
<br>
And the bruteforce attack will start from the place where it stopped when you
pressed the ESC key.<br>
But if you want to resume a wordlist attack you'll need to start a new wordlist
attack, saying where it's gonna start. So if you ended the attack to the file.zip
in line 100 using wordlist.txt in mode 3 to resume you'll type </p>
<p> fzc -mw3 -nzfile.zip -nwwordlist.txt -f100</p>
<p> Doing this FZC would start in line 100, since the others 99 lines where already
checked in an earlier FZC session.</p>
<p></p>
<p> Well, it looks like I covered most of what you need to know. I certainly hope
it helped you... don't forget to read the files that come with the program,
and visit http://blacksun.box.sk for more tutorials. If you have any problem
fell free to post your questions on the message board at blacksun.box.sk, but
don't send me any files to crack for you! Use your own computer power.</p>
<p></p>
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