metasploit-framework/modules/auxiliary/scanner/http/wmap_replace_ext.rb

165 lines
4.1 KiB
Ruby

##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##
require 'rex/proto/http'
require 'msf/core'
require 'pathname'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
include Msf::Auxiliary::WMAPScanFile
include Msf::Auxiliary::Scanner
include Msf::Auxiliary::Report
def initialize(info = {})
super(update_info(info,
'Name' => 'HTTP File Extension Scanner',
'Description' => %q{
This module identifies the existence of additional files
by modifying the extension of an existing file.
},
'Author' => [ 'et [at] cyberspace.org' ],
'License' => BSD_LICENSE,
'Version' => '$Revision$'))
register_options(
[
OptString.new('PATH', [ true, "The path/file to identify additional files", '/default.asp']),
OptString.new('EXT', [ false, "File extension to replace (blank for automatic replacement of extension)", '']),
], self.class)
register_advanced_options(
[
OptInt.new('ErrorCode', [ true, "The expected http code for non existant files", 404]),
OptPath.new('HTTP404Sigs', [ false, "Path of 404 signatures to use",
File.join(Msf::Config.install_root, "data", "wmap", "wmap_404s.txt")
]
),
OptBool.new('NoDetailMessages', [ false, "Do not display detailed test messages", true ])
], self.class)
end
def run_host(ip)
conn = false
dm = datastore['NoDetailMessages']
extensions= [
'bak',
'txt',
'tmp',
'old',
'temp',
'java',
'doc',
'log'
]
tpathfile = Pathname.new(datastore['PATH'])
tpathnoext = tpathfile.to_s[0..datastore['PATH'].rindex(tpathfile.extname)]
extensions.each { |testext|
#
# Detect error code. This module is a special case as each extension
# usually is handled diferently by the server with different error codes
#
ecode = datastore['ErrorCode'].to_i
begin
randchars = Rex::Text.rand_text_alpha(3).chomp
tpath = tpathnoext+randchars+testext
res = send_request_cgi({
'uri' => tpath,
'method' => 'GET',
'ctype' => 'text/html'
}, 20)
return if not res
tcode = res.code.to_i
emesg = ""
# Look for a string we can signature on as well
if(tcode >= 200 and tcode <= 299)
File.open(datastore['HTTP404Sigs']).each do |str|
if(res.body.index(str))
emesg = str
break
end
end
if(not emesg)
print_status("Using first 256 bytes of the response as 404 string")
emesg = res.body[0,256]
else
print_status("Using custom 404 string of '#{emesg}'")
end
else
ecode = tcode
print_status("Using code '#{ecode}' as not found.")
end
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
conn = false
rescue ::Timeout::Error, ::Errno::EPIPE
end
#if not conn return
begin
tpath = tpathnoext+testext
res = send_request_cgi({
'uri' => tpath,
'method' => 'GET',
'ctype' => 'text/plain'
}, 20)
if(not res or ((res.code.to_i == ecode) or (emesg and res.body.index(emesg))))
if dm == false
print_status("NOT Found #{wmap_base_url}#{tpath} #{res.code.to_i}")
#blah
end
else
if res.code.to_i == 400 and ecode != 400
print_error("Server returned an error code. #{wmap_base_url}#{tpath} #{res.code.to_i}")
else
print_status("Found #{wmap_base_url}#{tpath}")
report_note(
:host => ip,
:proto => 'HTTP',
:port => rport,
:type => 'FILE',
:data => "#{tpath} Code: #{res.code}"
)
end
end
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
rescue ::Timeout::Error, ::Errno::EPIPE
end
}
end
end