Source : Free On-Line Dictionary of Computing

dark-side hacker
     
        A criminal or malicious hacker; a {cracker}.  From George
        Lucas's Darth Vader, "seduced by the dark side of the Force".
        The implication that hackers form a sort of elite of
        technological Jedi Knights is intended.
     
        Opposite: {samurai}.
     
        [{Jargon File}]
     
        (1997-04-28)