Advanced NT Security Explorer (ANTExp) is an application for Microsoft Windows NT, Windows 2000 and Windows XP system administrators for finding holes in system security. It analyses user password hashes, and tries to recover plain-text passwords. If it's possible to recover the password in a reasonable time, the password should be considered to be insecure. ANTExp is very fast - tries about 900,000 passwords per second on a Pentium-III/450 CPU. Tested on Windows 95, Windows 98, Windows ME, Windows NT 4.0, Windows 2000, Windows XP.
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