A Windows password cracker based on rainbow tables
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.
As we know, in hign school, you need to login into a client to get to the internet, but the client are always for Windows XP, the Linux and Mac are always ignored by them. Here we will take you a open source client!