tags:

views:

150

answers:

2
+5  Q: 

Captcha Decoded

Hi,

I have seen some captchas being decode using javascript, php, etc. How do they do it?

For example, very popular megaupload site's captcha has also been decoded.

+1  A: 

See:

OCR and Neural Nets in JavaScript

Here John Resig (creator of JQuery javascript library) explains how exactly it is been done.

Sarfraz  2010-05-21 08:23:06
+1  A: 

Take a look at PWNtcha

You can also read Breaking a Visual CAPTCHA

Boris Guéry  2010-05-21 08:35:15
PWNtcha is vapor-ware.
Rook  2010-05-21 17:47:26

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