Windows Nt 4 Crack Password

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2. Windows Nt 4 Crack Password Reset

Hash Suite by Alain Espinosa
Windows XP to 10 (32- and 64-bit), shareware, free or $39.95+

Hash Suite is a very efficient auditing tool for Windows password hashes(LM, NTLM, and Domain Cached Credentials also known as DCC and DCC2).It is very fast, yet it has modest memory requirements even when attacking amillion of hashes at once.The GUI is simple, yet uses modern features offered by Windows 7 and above.Besides the password security auditing program itself, there's an includedreports engine that generates reports in multiple formats, including PDF.(The reports engine requires free Java VM from Oracle to be installed.)

pwdump byJeremy Allison
Windows NT, free (permissive BSD and GPL-compatible Open Source license)
Download local copy of pwdump (49 KB)

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. Features: » Runs on Windows, Linux/Unix, Mac OS X. » Cracks LM and NTLM hashes. Cracking four Linux hashes took about 20 seconds using a dictionary of 500 words when I did it, but as you will see, you can crack four Windows passwords using a dictionary of 500,000 words in about a second. Windows password hashes are more than 10,000 times weaker than Linux hashes. Lost password? Easy to use password recovery software for Windows, Word, Excel, Outlook, Access mdb and more. Over 280 file types supported. Dec 23, 2012 Today, I'm gonna show you how to crack MD4, MD5, SHA1, and other hash types by using John The Ripper and Hashcat. John The Ripper: 'John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. This is a utility to reset the password of any user that has a valid local account on your Windows system. Supports all Windows from NT3.5 to Win8.1, also 64 bit and also the Server versions (like 2003, 2008, 2012).

This handy utility dumps the password database of an NT machine thatis held in the NT registry (underHKEY_LOCAL_MACHINESECURITYSAMDomainsAccountUsers) into a validsmbpasswd format file (which is understood by practically allWindows password security auditing tools).

This is the original pwdump program.It is mostly of historical value these days.You will likely want to use a newer reimplementation such aspwdump6 instead.You might also be interested in ourfile archive with local copies of many pwdump-like and pwdump-related programs.

pwdump2 by Todd Sabin of Bindview
Windows NT/2000,free(GPL v2)
Download local copy of pwdump2 (46 KB)

This is an application which dumps the password hashes from NT's SAM database, whether or not SYSKEY is enabled on the system. NT Administrators can now enjoy the additional protection of SYSKEY, while still being able to check for weak users' passwords. The output follows the same format as the original pwdump (by Jeremy Allison) and can be used as input to password crackers. You need the SeDebugPrivilege for it to work. By default, only Administrators have this right, so this program does not compromise NT security.

pwdump3 and pwdump3eby Phil Staubs and Erik Hjelmstad of PoliVec, Inc.
Windows NT/2000,free(GPL v2)
Download local copies ofpwdump3 version 2 (87 KB) andpwdump3e (217 KB)

pwdump3 enhances the existing pwdump and pwdump2 programs developed by Jeremy Allison and Todd Sabin, respectively. pwdump3 works across the network and whether or not SYSKEY is enabled. Like the previous pwdump utilities, pwdump3 does not represent a new exploit since administrative privileges are still required on the remote system. One of the largest improvements with pwdump3 over pwdump2 is that it allows network administrators to retrieve hashes from a remote NT system.

pwdump3e provides enhanced protection of the password hash information by encrypting the data before it is passed across the network. It uses Diffie-Hellman key agreement to generate a shared key that is not passed across the network, and employs the Windows Crypto API to protect the hashes.

pwdump4 by bingle
Windows NT/2000,free(GPL v2)
Download local copy of pwdump4 (72 KB)

pwdump4 is an attempt to improve upon pwdump3.It might work in cases when pwdump3 fails (and vice versa).

pwdump5 by AntonYo!
Windows NT/2000/XP/2003, free
Download local copy of pwdump5 (28 KB)

pwdump5 is an application that dumps password hashes from the SAM databaseeven if SYSKEY is enabled on the system.If SYSKEY is enabled, the program retrieves the 128-bit encryption key,which is used to encrypt/decrypt the password hashes.

pwdump6by fizzgig
Windows 2000/XP/2003/Vista,free(GPL v2)
Download local copy of pwdump6 1.7.2 inZIP (1268 KB) ortar.bz2 format (1103 KB)

pwdump6 is a significantly modified version of pwdump3e. This program is able to extract NTLM and LanMan hashes from a Windows target, regardless of whether SYSKEY is enabled. It is also capable of displaying password histories if they are available. Currently, data transfer between the client and target is NOT encrypted, so use this at your own risk if you feel eavesdropping may be a problem.

pwdump7by Andres Tarasco Acuna
Windows NT family (up through XP or Vista?), free
Download local copy of pwdump7 revision 7.1 (505 KB)

pwdump7 works with its own filesytem driver (from rkdetector.com technology) so users with administrative privileges are able to dump directly from disk both SYSTEM and SAM registry hives.Once dumped, the SYSKEY key will be retrieved from the SYSTEM hive and then used to decrypt both LanMan and NTLM hashes and dump them in pwdump like format.

Quarks PwDump originally bySebastien Kaczmarek of Quarkslab
Windows XP/2003/Vista/7/2008/8,free(GPL v3)
Original source code on GitHub (no pre-compiled binary, outdated) by Quarkslab
Revised source code on GitHub (with pre-compiled binary in Releases) by red canari
Download local copy of Quarks PwDump 0.3a by red canari (369 KB) orits source code (5.6 MB including a prerequisite library)

Quarks PwDump extracts local accounts NT/LM hashes + history, domain accounts NT/LM hashes + history, cached domain password, Bitlocker recovery information (recovery passwords & key packages). It requires administrator privileges.

pwdump8 by Fulvio Zanetti and Andrea Petralia of blackMath.it
Windows 2000/XP/Vista/7/2008/8/8.1/10/2012/2016/2019, free
Download local copy of pwdump8 8.2 (529 KB)

pwdump8 supports AES-128 encrypted hashes and thus works on Windows 10 v1607 and later, where the previous pwdump tools fail.pwdump8 works with the local Windows system, as well as with dumped SAM and SECURITY reg hives.Version 8.2 adds support for domain cached account.pwdump8 requires administrative privileges, just like the previous tools did.

mimikatz byBenjamin DELPY `gentilkiwi`
Windows (up to latest builds of Windows 10), free (CC BY 4.0)

mimikatz is a well-known advanced tool to extract plaintexts passwords, hash, PIN code, and Kerberos tickets from memory.mimikatz can also perform pass-the-hash, pass-the-ticket, or build Golden tickets.mimikatz is an actively maintained Open Source project.

Offline NT Password & Registry Editor by Petter Nordahl-Hagen
Windows NT to 8.1 (32- and 64-bit), freeware

This is an utility (available in the form of bootable floppy and CD images) to reset the password of any user that has a valid (local) account on your NT system, by modifying the password hash in the registry's SAM file.You do not need to know the old password to set a new one.

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The editor works offline, that is, you have to shutdown your computer and boot off a floppy disk or a CD. The boot disks use Linux as the OS and include stuff to access NTFS partitions and scripts to glue the whole thing together.

This will also work with SYSKEY, including the option to turn it off.

Cracking Syskey and the SAM on Windows XP, 2000 and NT 4 using Open Source Tools

Update: 03/05/2007: I've made a single page with links to all of my tutorials on SAM/SYSKEY Cracking, visit it if you want more information on this topic.
Update 03/22/2005:See Shockwave Flash Video Version.

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A little over a year ago I wrote a little tutorial called 'Cracking Windows 2000 And XP Passwords With Only Physical Access' [0]. It was pretty popular and the data is still useful but in the last year I've found far better ways to crack a SAM file with SysKey enabled. One reason I'm writing this new tutorial is because sometime after SAMInside v.2.1.3 exporting to a PWDump file was disabled in the demo version. There are still ways SAMInside could be used, but there are better Open Source tools now that can do the same tasks. This tutorial will recap parts of the original, but also give a far simpler, faster and more concise way to crack hashes in the SAM file that are protected by SysKey.
SysKey is an extra level of encryption put on the hashes in the SAM file [1]. SysKey was introduced in Service Pack 3 (SP3) for NT 4 but every version of Windows since has had SysKey enabled by default. The way most folks crack a SAM file on a system that uses SysKey is by running a utility called PWDump as an admin to get the LM (LAN Manager) and NT hashes. The problem is PWdump only works if you can run it from an administrator level account, and if the reason an attacker is cracking the hashes in the first place is to get an administrator level account then PWdump is of little use.
Some folks will ask why would you want to crack the passwords in the SAM at all since it's far easier to just change the Administrator password using a Linux boot disk or Sala's Password Renew for PE Builder. The reason an attacker may want to crack the local passwords instead of changing them is two fold:

1. An attacker doesn't want to tip off the system administrators. If they notice that the old local admin password no longer works they will get a little bit suspicious don't you think? This is somewhat solved by Sala's Password Renew since it lets you add new admin level accounts as well as change existing account's passwords.
2. The same local account passwords may be used on other systems on the network (and most likely are if they use imaging software like Ghost). If the attacker can crack one machine's admin password that same password may allow the attacker to gain access to other boxes on that LAN that they only have remote access (across the network) to.

This article assumes that the attacker has only physical access to the machine whose SAM they want to crack and that they also have access to the Knoppix variant known as the Auditor security collection boot CD [5] (I'm using version 120305-01 in this tutorial). Here are the steps you will need to take in order to audit local passwords using the Auditor CD:
Step 1. Download the Auditor Boot CD ISO and burn it to a CD-R. All of the tools we will be using in this tutorial come on the Auditor Boot CD.
Step 2. Insert the Auditor Boot CD into the target system, reboot and set the CD-ROM as the first boot device in the BIOS. Some systems let you hold down a certain function key at startup to choose what media to boot from (on recent Dell's it's F12).
Step 3. Auditor will begin to boot and ask you what screen resolution you want to use. Choose a resolution that your monitor and video card will support (I use 2 for 1024x768) then hit enter.
Step 4. When Auditor finishes booting click on the icon on the KDE bar for a new terminal window (it looks like a little monitor). Below you will see the commands you will have to use to get past SysKey, extract the hashes and attempt to crack the password hashes.
Step 5. Mount the local hard disk, most likely hda1:

Windows Nt 4 Crack Password Reset