Portless File transfer by using Hping

PC1: Server that will receive file.
PC2: Host that will send file to PC2

On PC1, you should execute the command below;

Hping3 PC1_IP_Address  --listen fire --icmp -I eth0 > received_file.txt

Parameters that is using in command.

--icmp: Protocol 

-d: FileSize(Excluding Heading Information)

--sign: Word that will trigger file transfer

--file: File_Name

-c: Number of Packet

-I: Network Interface

--listen: Listening Mode

Because of trigger word "fire" ,While sending the packet we are losing 4 bytes data. It means when you want to send 35byte file, you will send 39 byte totaly.


On PC2, you should execute the command below;

Hping3 PC1_IP_Address --icmp -d 73 --sign fire  --file sendingfile.txt -c 1 –I eth0