As per Alex's request, I am posting about generating word-lists in Python.
However, this is my FIRST attempt with Python, so please provide me with critiques and any and all comments. I really want to know what you think as there was a little bump here and there seeing as I am transitioning from C#.
Why the Program?
Well, let's just run through a simple scenario: you're about to hack a vulnerable login page, but you think that brute-force is going to take ages (in fact, there's a decent chance it will), so why not try out a dictionary attack first? Because it's faster.
[Please check my math here. I have not slept in the last 30 hours. I am not responsible for nonsense hereafter!]
The English alphabet is 26 characters in length, and a 5 character password utilising brute force is 26^5, assuming it is not uppercase and has no special characters. 26^5 = 11881376 combinations! And that's the easy tier. Try a full dictionary—916132832 combinations (includes just upper, lower case and numbers).
In these instances, you might want to try a dictionary attack. Now assuming a user has a password such as "thistle", a normal dictionary will suffice, but what if a password is "xZya6"?
Well this is the program for you!
Requirements
- Python
Step 1 Beginning of Your Code
#! C:\python27
import string, random
The above two lines are the beginning of our code.
Since I am working on windowzer, my first line points to where I installed my Python. For linux users, change it to #!/usr/bin/python
The import declaration just tells the program to import the string handling library and a library to handle random chars.
Step 2 The Meat & Bones
Now, if we think about it, we want to be able to do the following:
- Tell the program how short each word should be.
- Tell the program how long each word should be.
- Tell the program how many words to generate.
So enter these lines:
minimum=input('Please enter the minimum length of any give word to be generated: ')
maximum=input('Please enter the maximum length of any give word to be generated: ')
wmaximum=input('Please enter the max number of words to be generate in the dictionary: ')
Now decide on what kind of alphabet you will use—I chose the below:
alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYX0123456789'
Replace above with - alphabet = string.letters[0:52] + string.digits + string.punctuation
..for runtime-generated alphabet in full ascii (no special symbols such as ¶)
Next, declare the placeholder for our words.
string=''
Now, we tell Python to open a empty text file in write mode ("w"). (Linux users, point it your respective directory, or just write the file name if the file is next to your PY script)
FILE = open("wl.txt","w")
Now we write a loop which will range from 0 to the maximum number of words you defined, and generate words that hold random characters from the alphabet we defined earlier, in random order at variable length (assuming your min/max values were not identical on imput).
for count in xrange(0,wmaximum):
for x in random.sample(alphabet,random.randint(minimum,maximum)):
string+=x
Now we tell Python to write the strings (words) to the file we pointed the program to, by using '\n' to tell Python to separate each word in a new line.
FILE.write(string+'\n')
And the last functions are just: (1) Clear the string, (2) Close the file after editing—very important as changes might not register if it is not closed—and (3) prints the word "Done!" after finishing.
string=''
FILE.close()
print 'DONE!'
And that's it! Give it a go!
Source Code
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15 Comments
nice :D is there a way to do the same thing, only with a dictionary? for example, create random english words?
A friend of mine coded one that got English words :). It's quite clever. She made it spider Wikipedia for words and just made it not spider dupes or shorter than X characters. It's quite cool :3.
I have an English dictionary word list and a few basic wordlist generators - the dictionary for english language was actually found for the game Scrabble!!!
Anyway heres my repository with a few wordlist generators...and wordlists
https://github.com/raseribanez/Word-Lists
you will have to look through the words.txt files - these asre Dictionary words from a to z.....the generators however make all random combinations (non-words)
the words.txt contents are organised in a list - however...sometimes they show as a huge unseparated line of text (one string) but when cloned/downloaded they appear as a list. My generators are very basic....but work!
Yeah you can just adjust the for loop to run through a dictionary and join words together randomly from a given english dictionary. But there will not be any logic to it. You will end up with words like - "daisychaincatspear" or something.
Is that what you meant?
yup, pretty much :) i wonder, it would be pretty cool to have a visual-plot system that plots and connects random points on a given area.
Awesome little program, I think the next step would be to utilize Mechanize: http://wwwsearch.sourceforge.net/mechanize/ to fill the site's form automatically.
Say no to mechanize! Haha
I found mechanize to be very useful
First, thanks for the code. Really useful. I however get the following error message:
<--
Traceback (most recent call last):
File "/home/arrayjumper/Desktop/Word-Lists for Dictionary attacks.py", line 10, in <module>
alphabet = string.letters0:52 + string.digits + string.punctuation
AttributeError: 'module' object has no attribute 'letters'
-->
Any idea what the problem might be?
how to do this generating non-repeted words?
Like:
alphabet is '123'
minimum=2
maximum=2
wmaximum=9
so result should be 11,12,13,23,21,32,22,33,31
but this setup gives me repeated results like 11,12,31,11,22,31,12,31,11
HOW TO BEGIN WITH DICTINARY ATTACK TO HACK WIFI SERVER ACCOUNT?
so mine runs, but I dont get the output using this coding example
I know it's supposed to make an empty text file for the results, but I get no text file, no results
Searched through my drive and nothing - it says 'Done' as-well when I run it. Isn't it supposed to create a txt document in the same dir as the python script?
I found it worked for me by printing the output to the Shell Window....then copy/paste into a txt doc - more work I know but I couldn't figure out why it wouldnt make the txt file - no errors either?? wierd lol
IT CAN ACCESS THE FILE BECAUSE IT HAS NOT BEEN CREATED
FIRST CREATE THE FILE
IT NO CREATE 4 U
It should be writing to a file yes. Did you download the code from the link at the bottom of the article?
really need help with a part of the code..
at this part, i want to generate fixed length passwords (e.g. 10 chars length), declared it with length=raw_input('length')
for count in xrange(0,wmaximum):
cant use random.randint(min,max) since i want a fixed value (no min,max just 'length', which module i need to use?
for x in random.sample(alphabet,random.randint(minimum,maximum)):
string+=x
struggeling here..
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