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Wordlist Manipulation

{% hint style="success" %} Hack Responsibly.

Always ensure you have explicit permission to access any computer system before using any of the techniques contained in these documents. You accept full responsibility for your actions by applying any knowledge gained here. {% endhint %}

Wordlist Manipulation

Password file merge, sort by unique entries:

Sorts all files in a directory

find . -maxdepth 1 -type f ! -name ".*" -exec cat {} + | sort -u -o $out_file

https://unix.stackexchange.com/questions/365114/efficiently-merge-sort-unique-large-number-of-text-files

Remove the space character with sed

# sed -i 's/ //g' file.txt OR # egrep -v "^[[:space:]]*$" file.txt

Remove the last space character with sed

# sed -i s/.$// file.txt

Sorting Wordlists by Length

# awk '{print length, $0}' rockyou.txt | sort -n | cut -d " " -f2- > rockyou_length-list.txt

Convert uppercase to lowercase and the opposite

# tr [A-Z] [a-z] < file.txt > lower-case.txt
# tr [a-z] [A-Z] < file.txt > upper-case.txt

Remove blank lines with sed

sed -i '/^$/d' $text_file

Remove a specific character with sed

sed -i "s/$char//" $text_file

Delete all instances of a string with sed

cat $text_file | sed -e "s/$string//g" > $out_text_file

Replace characters with tr

# tr '@' '#' < emails.txt OR # sed 's/@/#' file.txt

Print specific columns with awk or cut

# awk -F "," '{print $3}' infile.csv > outfile.csv OR # cut -d "," -f 3 infile.csv > outfile.csv

Note: if you want to isolate all columns after column 3 put a - (dash) after the number: # cut -d "," -f 3- infile.csv > outfile.csv

Generate Random Passwords with /dev/urandom

tr -dc 'a-zA-Z0-9._!@#$%^&*()' < /dev/urandom | fold -w 8 | head -n 500000 > wordlist.txt
tr -dc 'a-zA-Z0-9-_!@#$%^&*()_+{}|:<>?=' < /dev/urandom | fold -w 12 | head -n 4
base64 /dev/urandom | tr -d '[^:alnum:]' | cut -c1-10 | head -2
tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 10 | head -n 4
tr -dc 'a-zA-Z0-9-_!@#$%^&*()_+{}|:<>?=' < /dev/urandom | fold -w 12 | head -n 4 | grep -i '[!@#$%^&*()_+{}|:<>?=]'
tr -dc '[:print:]' < /dev/urandom | fold -w 10| head -n 10
tr -cd '[:alnum:]' < /dev/urandom | fold -w30 | head -n2

Remove Parenthesis with tr

# tr -d '()' < in_file > out_file

Generate wordlists from your file names

# ls -A | sed 's/regexp/& /g'

Process text files when cat is unable to handle strange characters

# sed 's/([[:alnum:]]*)[[:space:]]*(.)(..*)/12/' *.txt

Generate length based wordlists with awk

# awk 'length == 10' file.txt > 10-length.txt

Merge two different txt files

# paste -d' ' file1.txt file2.txt > new-file.txt

Faster sorting

# export alias sort='sort --parallel=<number_of_cpu_cores> -S <amount_of_memory>G ' && export LC_ALL='C' && cat file.txt | sort -u > new-file.txt

Mac to unix

# tr '\015' '\012' < in_file > out_file

Dos to Unix

# dos2unix file.txt

Unix to Dos

# unix2dos file.txt

Extract the difference between two files

# grep -F -v -f file1.txt -w file2.txt > file3.txt

Isolate specific line numbers with sed

# sed -n '1,100p' test.file > file.out

Create Wordlists from PDF files

# pdftotext file.pdf file.txt

Find the line number of a string inside a file

# awk '{ print NR, $0 }' file.txt | grep "string-to-grep"

Create your own Dictionaries

Find as much information about the target as you can and generate a custom dictionary. Tools that may help:

Crunch

Create a wordlist with lengths from 4 to 6 using a specified character set

crunch 4 6 0123456789ABCDEF -o crunch1.txt

Create a list of 4 character "words" using the character set mixalpha (inside file charset.lst)

crunch 4 4 -f /usr/share/crunch/charset.lst mixalpha

Character set examples:

@ Lower case alpha characters
, Upper case alpha characters
% Numeric characters
^ Special characters including spaces

Using this you can make wordlists using custom character sets with shortcuts

crunch 6 8 -t ,@@^^%%

Cewl

Generate a wordlist based on a target website

cewl example.com -m 5 -w words.txt

CUPP

Generate passwords based on your knowledge of the victim (names, significant dates, etc...)

python3 cupp.py -h

pydictor

Hashcat

TODO: add more

Rules

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