Download Rainbow Tables For Ophcrack !!BETTER!!

Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms.

The NTLM torrent I tried to grab from freerainbowtables.com seems to only have only peers (unless something is blocking the others) that are incomplete so everything stalls at 5-15%. Before I go out of my way to generate 400GB+ of data, are there any other good sources of NTLM tables?

Download Rainbow Tables For Ophcrack

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I have made a txt file with some passwords in it and i need a way to convert it into a rainbow tables to crack windows passwords using ophcrack. I have had a look on Google but i haven't found a way to do this. My OS is windows 7 but i can use Ubuntu if needed. Can any one help.

So after using "fgdump" to dump the hashes I used the the hash I wanted with the "rcrack" program included with RainbowCrack. I was able to use the Hak5 tables to crack a nine character password with upper and lower case letters, and symbols in nine and a half minutes. Yay! I then decided to use Ophcrack to do the same thing, and it didn't work. I have Ophcrack installed on both an xUbuntu machine and a Windows XP machine, both fully updated.

When I open Ophcrack, I click on the"tables" button, and tell it where my tables are located (on an external drive). Once I do that, the Windows version of Ophcrack says "You requested the tables blahblahblah, but some or all tables could not be found or loaded." The Linux version gives a similar error. I know the tables are sorted and working, because they worked with "rcrack".

At you'll find a program called rcracki that is an improved version of rainbowcrack that can crack NT hashes. The hak5 tables will not work with this application, but the site has an extensive collection of other tables in a different format to download. They have a giant collection, and their tables are more space efficient than the standard rainbow table.

But it is possible to attack the hashed value of your password using rainbow tables: enormous, pre-computed hash values for every possible combination of characters. An attacking PC could certainly calculate all these hashes on the fly, but taking advantage of a massive table of pre-computed hash values enables the attack to proceed several orders of magnitude faster-- assuming the attacking machine has enough RAM to store the entire table (or at least most of it) in memory. It's a classic time-memory tradeoff, exactly the sort of cheating shortcut you'd expect a black hat attacker to take.

It takes a long time to generate these massive rainbow tables, but once they're out there, every attacking computer can leverage those tables to make their attacks on hashed passwords that much more potent.

The smallest rainbow table available is the basic alphanumeric one, and even it is 388 megabytes. That's the default table you get with the Ophcrack bootable ISO. Even that small-ish table is remarkably effective. I used it to attack some passwords I set up in a Windows XP virtual machine with the following results:

You wouldn't expect this rainbow table to work on the passwords with non-alphanumeric characters (%&^$# and the like) because the table doesn't contain those characters. You'll also note that that passphrases, which I am a big fan of, are immune to this technique due to their length. But then again, this attack covered 99.9% of all possible 14 character alphanumeric passwords in 11 minutes, and that was with the smallest of the available rainbow tables. We could do better by using larger, more complete rainbow tables. The Ophcrack documentation describes the differences between the available rainbow tables it uses:

Note that all rainbow tables have specific lengths and character sets they work in. Passwords that are too long, or contain a character not in the table's character set, are completely immune to attack from that rainbow table.

Unfortunately, Windows servers are particularly vulnerable to rainbow table attack, due to unforgivably weak legacy Lan Manager hashes. I'm stunned that the legacy Lan Manager support "feature" is still enabled by default in Windows Server 2003. It's highly advisable that you disable Lan Manager hashes, particularly on Windows servers which happen to store domain credentials for every single user. It'd be an awful shame to inconvenience all your Windows 98 users, but I think the increase in security is worth it.

The Ophcrack tool isn't very flexible. It doesn't allow you to generate your own rainbow tables. For that, you'll need to use the Project Rainbow Crack tools, which can be used to attack almost any character set and any hashing algorithm. But beware. There's a reason rainbow table attacks have only emerged recently, as the price of 2 to 4 gigabytes of memory in a desktop machine have approached realistic levels. When I said massive, I meant it. Here are some generated rainbow table sizes for the more secure NT hash:

A rainbow table attack is usually overkill for a desktop machine. If hackers have physical access to the machine, security is irrelevant. That's rule number 3 in the 10 Immutable Laws of Computer Security. There are any number of tools that can reset passwords given physical access to the machine.

But when a remote hacker obtains a large list of hashed passwords from a server or database, we're in trouble. There's significant risk from a rainbow table attack. That's why you should never rely on hashes alone-- always add some salt to your hash so the resulting hash values are unique. Salting a hash sounds complicated (and vaguely delicious), but it's quite simple. You prefix a unique value to the password before hashing it:

If you've salted your password hashes, an attacker can't use a rainbow table attack against you-- the hash results from "password" and "deliciously-salty-password" won't match. Unless your hacker somehow knows that all your hashes are "delicously-salty-" ones. Even then, he or she would have to generate a custom rainbow table specifically for you.

Rainbow tables for LM hashes are provided for free by the developers. By default, ophcrack is bundled with tables that allow it to crack passwords no longer than 14 characters using only alphanumeric characters. Available for free download are four Windows XP tables and four Windows Vista tables.[2]

Ophcrack is also available as Live CD distributions, which automates the retrieval, decryption, and cracking of passwords from a Windows system. One Live CD distribution is available for Windows XP and lower and another for Windows Vista and Windows 7.[4] The Live CD distributions of ophcrack are built with SliTaz GNU/Linux.

Cracking a Windows Password with Ophcrack with the use of rainbow tables, relatively easy if you take the right steps and if the computer can boot from a disc. The free, open source Ophcrack Live CD is a Windows account password cracking tool designed to help you recover lost Windows passwords. Whether you need to recover the lost password to a Windows account, you're looking to ensure that your passwords are secure, or you're a super l33t h4x0r, the Ophcrack Live CD is a pretty useful tool. The Ophcrack Project has recently released a Linux Live-CD based on SLAX that can be used to retrieve and crack passwords from Windows machines with little or no effort.

So, there's this pentest I want to try with my network. I tried bruteforce but it took days and nothing came up even. I believe Rainbow Tables are a convenient way to try and, as there are tables available on Ophcrack's website, that worked well before when I tried with Windows passwords, I wanted to give it a try to know if it's possible and easy to do. They come in .zip format and there is a folder and inside comes a bunch of files with different extensions. (.bin, .start.. etc.)

Those Rainbow tables are unlikely to work as WPA2 hashes are salted with the name of the SSID. There are available rainbow tables of the 1000 most common SSID's, but if yours is not on that list, you will need to generate your own.

Just tell me something too... Cracking a Wireless network password is completely different than SAM hashes (that doesn't need the names of the accounts to crack), right? So there's no way to use Ophcrack's tables to do this job, right?

Ophcrack is an extremely fast password cracker because it uses a special algorithm called rainbow tables. Brute-force cracking tools typically try thousands of combinations of letters, numbers and special characters each second, but cracking a password by attempting every conceivable combination can take hours or days. Rainbow tables pre-computes the hashes used by passwords, allowing for a speedy password lookup by comparing the hashes it has, instead of computing them from scratch.

Ophcrack works on LAN Manager (LM) and NT LAN Manager (NTLM) hashes, and has rainbow tables available for cracking Windows XP and Windows Vista passwords. It comes with a slick GUI and runs on Windows, Linux/Unix, Mac OS X, or from a bootable LiveCD. Ophcrack has the ability to obtain password hashes from the Security Accounts Manager (SAM), the registry database that Windows uses to store protected user passwords.

Ophcrack is not malware and has its legitimate uses. For instance, most Windows password-recovery tools will substitute a new password in place of a lost one, but knowing the actual password may be useful in unlocking other archives found during a forensics investigation. Additionally, testing a known password against Ophcrack, and besting the rainbow tables, can help validate that the password is extremely strong.

For this activity, we will be using Ophcrack, along with a small rainbow table. is a free Windows cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a graphical user interface (GUI) and runs on multiple platforms. It is by default in the Kali Linux distro. This recipe will focus on cracking the using Ophcrack, with the help of rainbow tables. e24fc04721