NC (NetCat) 초간단 사용법

<Message 전송>

A. $ nc -lvp 3000

B. $ nc  <IP_Address> <Port> 

Connection 후 , Message 입력 . 

A. $ nc -lvp 3000 

Message 확인 

<Shell 획득>

A. $ nc -lvp 3000 -e /bin/bash 

listening on [any] 3000 ...

B. $ NC <IP_Address> <Port>

Connection .. 

<파일전송>

A. $ nc -lp 3000 > test.png

B. $ nc -w <IP_Address> <Port> < test.png

NC OPTIONS

 -4                         Use only IPv4

 -6                         Use only IPv6

 -b, --bluetooth        Use Bluetooth (defaults to L2CAP protocol)

 --buffer-size=BYTES Set buffer size

 --continuous           Continuously accept connections (only in listen mode with --exec)

 --disable-nagle        Disable nagle algorithm for TCP connections

 -e, --exec=CMD       Exec command after connect

 --half-close             Handle network half-closes correctly

 -h, --help                Display help

 -l, --listen                Listen mode, for inbound connects

 --mtu=BYTES           Set MTU for network connection transmits

 -n                          Numeric-only IP addresses, no DNS

 --no-reuseaddr        Disable SO_REUSEADDR socket option  (only in listen mode)

 --nru=BYTES           Set NRU for network connection receives

 -p, --port=PORT      Local port

 -q, --hold-timeout=SEC1[:SEC2]  Set hold timeout(s) for local [and remote]

 --rcvbuf-size           Kernel receive buffer size for network sockets

 --recv-only             Only receive data, don't transmit

 -s, --address=ADDRESS  Local source address