Open Source Backdoor - Copyrighted Under GNU GPL

Malware code can be very small, and the impact can be very severe! In our daily tasks we find a lot of web-based malware that varies in size and impact. Some of the malware is well known and very easy to detect, others not so much, but this one is very interesting. Here’s the backdoor, can you see what it’s doing? < ?php /* GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION