metasploit-framework/modules/post/multi/gather/dns_bruteforce.rb

104 lines
2.9 KiB
Ruby

##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'rex'
class MetasploitModule < Msf::Post
def initialize(info={})
super( update_info( info,
'Name' => 'Multi Gather DNS Forward Lookup Bruteforce',
'Description' => %q{
Brute force subdomains and hostnames via wordlist.
},
'License' => MSF_LICENSE,
'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
'Platform' => %w{ bsd linux osx solaris win },
'SessionTypes' => [ 'meterpreter', 'shell' ]
))
register_options(
[
OptString.new('DOMAIN', [true, 'Domain to do a forward lookup bruteforce against.']),
OptPath.new('NAMELIST',[true, "List of hostnames or subdomains to use.",
::File.join(Msf::Config.data_directory, "wordlists", "namelist.txt")])
], self.class)
end
# Run Method for when run command is issued
def run
domain = datastore['DOMAIN']
hostlst = datastore['NAMELIST']
a = []
print_status("Performing DNS Forward Lookup Bruteforce for Domain #{domain}")
name_list = []
if ::File.exist?(hostlst)
::File.open(hostlst).each do |n|
name_list << n
end
end
case session.platform
when 'windows'
cmd = "nslookup"
when 'solaris'
cmd = "/usr/sbin/host "
else
cmd = "/usr/bin/host "
end
while !name_list.nil? && !name_list.empty?
1.upto session.max_threads do
a << framework.threads.spawn("Module(#{self.refname})", false, name_list.shift) do |n|
next if n.nil?
vprint_status("Trying #{n.strip}.#{domain}")
r = cmd_exec(cmd, "#{n.strip}.#{domain}")
case session.platform
when 'windows'
proccess_win(r, "#{n.strip}.#{domain}")
else
process_nix(r, "#{n.strip}.#{domain}")
end
end
a.map {|x| x.join }
end
end
end
# Process the data returned by nslookup
def proccess_win(data,ns_opt)
if data =~ /Name/
# Remove unnecessary data and get the section with the addresses
returned_data = data.split(/Name:/)[1]
# check each element of the array to see if they are IP
returned_data.gsub(/\r\n\t |\r\n|Aliases:|Addresses:/," ").split(" ").each do |e|
if Rex::Socket.dotted_ip?(e)
print_good("#{ns_opt} #{e}")
report_host(:host=>e, :name=>ns_opt.strip)
end
end
end
end
# Process the data returned by the host command
def process_nix(r,ns_opt)
r.each_line do |l|
data = l.scan(/(\S*) has address (\S*)$/)
if not data.empty?
data.each do |e|
print_good("#{ns_opt} #{e[1]}")
report_host(:host=>e[1], :name=>ns_opt.strip)
end
end
end
end
end