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chntpw is a software utility for resetting or blanking local passwords used by Windows NT operating systems on Linux. It does this by editing the SAM database where Windows stores password hashes . Features
The Security Account Manager (SAM) is a database file [1] in Windows NT, Windows 2000, Windows XP, Windows Vista, Windows 7, 8.1, 10 and 11 that stores users' passwords. It can be used to authenticate local and remote users. Beginning with Windows 2000 SP4, Active Directory authenticates remote users.
In older versions of Windows NT, the password could only be stored in plain text in the registry; support for using the Local Security Authority's private storage capabilities was introduced in Windows NT 4.0 Workstation Service Pack 3 and Windows NT Server 3.51.
Kon-Boot was originally designed as a proof of concept, freeware security tool, mostly for people who tend to forget their passwords. The main idea was to allow users to login to the target computer without knowing the correct password and without making any persistent changes to system on which it is executed.
However, NT Locksmith, a Windows password recovery utility, was immediately removed. [citation needed] Most of the source that Sysinternals provided was also removed. Currently, the Sysinternals website is moved to the Windows Sysinternals website and is a part of Microsoft Docs. [1] In late 2010, Bryce Cogswell retired from Sysinternals. [6]
Screenshot of the Syskey utility on the Windows 8.1 operating system requesting the user to enter a password.. The SAM Lock Tool, better known as Syskey (the name of its executable file), is a discontinued component of Windows NT that encrypts the Security Account Manager (SAM) database using a 128-bit RC4 encryption key.
In Windows Vista and above, LM has been disabled for inbound authentication. Windows NT-based operating systems up through and including Windows Server 2003 store two password hashes, the LAN Manager (LM) hash and the Windows NT hash. Starting in Windows Vista, the capability to store both is there, but one is turned off by default. This means ...
Cain and Abel (often abbreviated to Cain) was a password recovery tool for Microsoft Windows.It could recover many kinds of passwords using methods such as network packet sniffing, cracking various password hashes by using methods such as dictionary attacks, brute force and cryptanalysis attacks. [1]