netcat

Listen on port Start a netcat listener on port 4444 nc -lvp 4444 #netcat#nc#network#listen Connect to host Open a TCP connection to host on port 80 nc 192.168.1.1 80 #netcat#nc#network#connect Port scanning Scan ports 20-80 on a host (zero I/O mode) nc -zv 192.168.1.1 20-80 #netcat#nc#network#scan Transfer file (sender) Send file to a remote listener nc -lvp 4444 < file.tar.gz #netcat#nc#transfer#file Transfer file (receiver) Receive a file from a netcat sender nc 192.168.1.1 4444 > file.tar.gz #netcat#nc#transfer#file UDP mode Connect using UDP instead of TCP nc -u 192.168.1.1 5005 #netcat#nc#network#udp Simple HTTP request Send a raw HTTP GET request with netcat echo -e "GET / HTTP/1.0 " | nc example.com 80 #netcat#nc#http#debug Reverse shell (attacker listener) Wait for an incoming reverse shell connection nc -lvp 4444 #netcat#nc#shell#debug Banner grabbing Connect to port and read service banner nc -v 192.168.1.1 22 #netcat#nc#network#banner Timeout on connect Set connection timeout to 3 seconds nc -w 3 192.168.1.1 80 #netcat#nc#network#timeout