setup_binary_lab_with_tcpserver

Setup binary lab with TCPServer for CTF

1. Setup environment

apt-get install ucspi-tcp

2. Create shell script (test.sh)

#!/bin/bash

## Receive input from network
read msg 
echo "Hello "$msg

3. Create socket for receive input with tcpserver

tcpserver -t 50 -RHl0 0.0.0.0 31337 ./test.sh

4. Connect with netcat

echo "testing" | nc localhost 31337