127 lines
4.1 KiB
Ruby
127 lines
4.1 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'msf/core/auxiliary/jtr'
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class MetasploitModule < Msf::Auxiliary
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#Included to grab the john.pot and use some utiltiy functions
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include Msf::Auxiliary::JohnTheRipper
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def initialize
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super(
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'Name' => 'John the Ripper Postgres SQL Password Cracker',
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'Description' => %Q{
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This module uses John the Ripper to attempt to crack Postgres password
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hashes, gathered by the postgres_hashdump module. It is slower than some of the other
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JtR modules because it has to do some wordlist manipulation to properly handle postgres'
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format.
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},
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'Author' => ['theLightCosine'],
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'License' => MSF_LICENSE
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)
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end
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def run
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@username_set = Set.new
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cracker = new_john_cracker
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hash_list = hash_file
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# generate our wordlist and close the file handle
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wordlist = wordlist_file
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wordlist.close
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print_status "Wordlist file written out to #{wordlist.path}"
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cracker.wordlist = wordlist.path
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cracker.hash_path = hash_list
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['raw-md5'].each do |format|
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cracker_instance = cracker.dup
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cracker_instance.format = format
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print_status "Cracking #{format} hashes in normal wordlist mode..."
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# Turn on KoreLogic rules if the user asked for it
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if datastore['KoreLogic']
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cracker_instance.rules = 'KoreLogicRules'
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print_status "Applying KoreLogic ruleset..."
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end
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cracker_instance.crack do |line|
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print_status line.chomp
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end
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print_status "Cracking #{format} hashes in single mode..."
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cracker_instance.rules = 'single'
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cracker_instance.crack do |line|
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print_status line.chomp
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end
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print_status "Cracking #{format} hashes in incremental mode (Digits)..."
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cracker_instance.incremental = 'Digits'
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cracker_instance.crack do |line|
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print_status line.chomp
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end
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print_status "Cracked passwords this run:"
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cracker_instance.each_cracked_password do |password_line|
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password_line.chomp!
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next if password_line.blank?
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fields = password_line.split(":")
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# If we don't have an expected minimum number of fields, this is probably not a hash line
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next unless fields.count >=3
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username = fields.shift
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core_id = fields.pop
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password = fields.join(':') # Anything left must be the password. This accounts for passwords with : in them
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# Postgres hashes always prepend the username to the password before hashing. So we strip the username back off here.
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password.gsub!(/^#{username}/,'')
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print_good "#{username}:#{password}:#{core_id}"
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create_cracked_credential( username: username, password: password, core_id: core_id)
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end
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end
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end
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# Override the mixin method to add prependers
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def wordlist_file
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return nil unless framework.db.active
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wordlist = Metasploit::Framework::JtR::Wordlist.new(
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prependers: @username_set,
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custom_wordlist: datastore['CUSTOM_WORDLIST'],
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mutate: datastore['MUTATE'],
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use_creds: datastore['USE_CREDS'],
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use_db_info: datastore['USE_DB_INFO'],
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use_default_wordlist: datastore['USE_DEFAULT_WORDLIST'],
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use_hostnames: datastore['USE_HOSTNAMES'],
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use_common_root: datastore['USE_ROOT_WORDS'],
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workspace: myworkspace
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)
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wordlist.to_file
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end
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def hash_file
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hashlist = Rex::Quickfile.new("hashes_tmp")
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Metasploit::Credential::PostgresMD5.joins(:cores).where(metasploit_credential_cores: { workspace_id: myworkspace.id }).each do |hash|
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hash.cores.each do |core|
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user = core.public.username
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@username_set << user
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hash_string = "#{hash.data}"
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hash_string.gsub!(/^md5/, '')
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id = core.id
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hashlist.puts "#{user}:#{hash_string}:#{id}:"
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end
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end
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hashlist.close
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print_status "Hashes written out to #{hashlist.path}"
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hashlist.path
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end
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end
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