Ophcrack is a Windows password cracker based on a time-memory trade-off using rainbow tables. This is a new variant of Hellman's original trade-off, with better performance. It recovers 99.9% of alphanumeric passwords in seconds. Features Cracks LM and NTLM Windows hashesFree tables available for Windows XP, Vista and 7Brute-force module for simple passwordsAudit mode and CSV exportReal-time graph