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Rainbow Password Cracking

The document outlines the process of using RainbowCrack, a password cracking tool, on Kali Linux to crack MD5 hashes using precomputed rainbow tables. It details the installation steps, generation of rainbow tables for different character lengths, and the cracking process for passwords. The entire process can take approximately 30 minutes for cracking hashes that include both alphabetic and numeric characters.

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65 views7 pages

Rainbow Password Cracking

The document outlines the process of using RainbowCrack, a password cracking tool, on Kali Linux to crack MD5 hashes using precomputed rainbow tables. It details the installation steps, generation of rainbow tables for different character lengths, and the cracking process for passwords. The entire process can take approximately 30 minutes for cracking hashes that include both alphabetic and numeric characters.

Uploaded by

akashkhawle1306
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Rainbow password cracking(MD5 hash ) using kali linux.

RainbowCrack – A Password Cracking Tool

RainbowCrack is a tool that uses rainbow tables to perform fast password cracking by
precomputing hash values. It uses precomputed hash tables to crack passwords more efficiently.

First we have to install rcarck


1.we have to start super user in linux terminal –sudo su .
2.We just type rcarck on kali to install .

3. Now we add table into rcrack using cmd . - rtgen md5 loweralpha 1 1 0 1000 1000 0
What This Command Does
 Generates a rainbow table for MD5 hashes.
 Uses only lowercase letters (a-z).
 Passwords will be exactly 1 character long.
 The table will have 1000 chains, each 1000 hashes long.
4. using we rtsort we save that rainbowtable .rt file – rtsort.

1. Loading the Rainbow Table (.rt file)


o ./md5_loweralpha#1-1_0_1000x1000_0.rt is being processed.
2. Memory Check
o 3.57 GB RAM is available for sorting.
3. Sorting Process
o It loads the unsorted chains from the table into memory.
o Sorts the data for faster lookup.
4. Writing Sorted Data
o Saves the sorted rainbow table back to the disk.

5.Now we crack the password for 1 aplhabet .

1.using md5 hash generate tool we first create md5 hash value .
2. After crating md5 now we crack that md5 hash using cmd .

rcrack . -h 0cc175b9c0f1b6a831c399e269772661

2 Alphabhet rainbow table

Output for the 2 alphabet letters.


3 Alphabhet rainbow table

Output for the 3 letters

4 Alphabhet rainbow table

Output of 4 letter
5 Alphabhet rainbow table

Output of 5 letters

6 Alphabhet rainbow table

Output of 6 letter
7 Alphabhet rainbow table

Output for 7 letters

Also increased range of hashing upto 200000 .


NOW I given the hash of alph And numeric

It take approx. 30 min to do the cracking the hash code.

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