rants from the dark side of marketing

DEFCON 17

Reading suggestions from DEFCON 17. Go to the DEFCON website for videos of the talks.

Screen scraper tricks (focus on iMacros)

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November 15th, 2009 » 0:56 » Comments

Deciphering Decaptcher’s protocol

Decaptcher has a TCP socket and an HTTP API. This is a description of the socket API, deciphered from Decaptcher’s official PHP client. You can also look at my version of the Decaptcher PHP client that I posted recently. The following will come in handy if you’d like to code your own client.
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August 29th, 2009 » 14:17 » Comments

Decaptcher PHP API

I rewrote Decaptcher’s PHP monstrosity yesterday. My version is a single class and doesn’t use three dozen constants. You can find the source below:

http://svn.blackhat-seo.com/stuff/php/Decaptcher/

August 25th, 2009 » 3:54 » 2 Comments

Captcha Farms

The one greatest vulnerability of captchas is the mechanical turk. If a human can solve it, which is not always the case these days, then you can find people that will solve a thousand captchas for a dollar.

Captcha farm services

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August 2nd, 2009 » 10:46 » 56 Comments

Deferred chain

A few months ago, I wrote a small PHP class to help me create chainable interfaces (PHP people like to call these “fluent interfaces”) without having to retrofit old code. I call this DeferredChain.

Here is the source for DeferredChain.

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July 21st, 2009 » 9:33 » 6 Comments
 

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Asides

Content may be king, but distribution pays the king’s mortgage.

8/12/09» 15:51» link» comments

Google acquired reCaptcha about a month ago, you might want to throttle your reCaptcha solving per IP address from now on.

14/10/09» 16:22» link» comments

Matt Cutts on how Google deals with spam.

7/10/09» 14:31» link» comments

Why you don’t want to shard.

Real World Web: Performance & Scalability.

NGINX + PHP-FPM + APC.

Gearman is interesting.

31/08/09» 4:46» link» comments
 
 
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