Obfuscated code. Its is dangerous?
<p>I download free WP plugin, but found something strange in source. Plugin was present before on WordPress plugin directory, now is removed - may by due this obfuscated code.</p>

<p>Could some one find what this does? 
Code is uploaded to:
<a href="http://pastebin.ca/2136405" rel="nofollow">http://pastebin.ca/2136405</a>
and 
<a href="http://pastebin.pl/f0ecc958a20afd60af18deb8944acacd" rel="nofollow">http://pastebin.pl/f0ecc958a20afd60af18deb8944acacd</a></p>

<p>Thanks for help. I don't want to be a part of botnet :)</p>
