Quote:
Originally Posted by kev woodman
I don't think there is any reliable, workable way of automating sign-ons that are protected by captcha (the images of letters). If you know of a way Puma then can you post the link - I know some research was done into this and Pwntcha used to have some success but I'd be interested in what the methodology was for a software agent breaking one of the more modern captchas.
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I've only got experience with phpBB, but if you introduce a compulsory registration element asking them to do some very specific (even something simple like telling them to write a specific word into a box) then they're stuck. The bots don't read the registration pages, they just autofill it. I added it to my phpBB forum and went from 15-20 bots a day to none at all since I installed it in mid january. All it tells people to do on registration is to type the word 'aston' into the box on the right. If they don't, the registration fails. Simple as that. It works so well I even took the captcha off because it was surplus to requirements.
If they work out how to do it I have some alternatives like telling them to add the third word in this sentence to the box etc etc.
Admittedly this does not fool the kids paid to sign up but in my experience the bots outnumber them significantly.