ICMP based libpcap backdoor based on the idea from: http://packetstormsecurity.org/search/?q=silentdoor Also includes the ability to send shellcode for execution and a connectionless shell functionality To build, you only need to have libpcap development files installed. Then you should only have to run make. To make a debug build with error message run: make debug If you have upx installed and would liked a packed version: make upx