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o [NSE] Merged the ms-sql branch with several improvements and changes to the

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ms-sql scripts and library:
  - Improved version detection
  - Improved server discovery
  - Add support for named pipes
  - Add support for integrated authentication
  - Add support for connecting to instances by name or port
  - Improved script and library stability
  - Improved script and library documentation
 [Patrik Karlsson, Chris Woodbury]
This commit is contained in:
patrik
2011-02-26 22:41:10 +00:00
parent d6bbc6da8f
commit 58edddaedb
13 changed files with 3534 additions and 979 deletions
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176
scripts/ms-sql-config.nse
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@@ -1,8 +1,65 @@
-- -*- mode: lua -*-
-- vim: set filetype=lua :
description = [[
Queries Microsoft SQL Server (ms-sql) for a list of databases, linked
servers, and configuration settings.
Queries Microsoft SQL Server (ms-sql) instances for a list of databases, linked servers,
and configuration settings.
SQL Server credentials required: Yes (use <code>ms-sql-brute</code>, <code>ms-sql-empty-password</code>
and/or <code>mssql.username</code> & <code>mssql.password</code>)
Run criteria:
* Host script: Will run if the <code>mssql.instance-all</code>, <code>mssql.instance-name</code>
or <code>mssql.instance-port</code> script arguments are used (see mssql.lua).
* Port script: Will run against any services identified as SQL Servers, but only
if the <code>mssql.instance-all</code>, <code>mssql.instance-name</code>
and <code>mssql.instance-port</code> script arguments are NOT used.
NOTE: Communication with instances via named pipes depends on the <code>smb</code>
library. To communicate with (and possibly to discover) instances via named pipes,
the host must have at least one SMB port (e.g. TCP 445) that was scanned and
found to be open. Additionally, named pipe connections may require Windows
authentication to connect to the Windows host (via SMB) in addition to the
authentication required to connect to the SQL Server instances itself. See the
documentation and arguments for the <code>smb</code> library for more information.
NOTE: By default, the ms-sql-* scripts may attempt to connect to and communicate
with ports that were not included in the port list for the Nmap scan. This can
be disabled using the <code>mssql.scanned-ports-only</code> script argument.
]]
---
-- @usage
-- nmap -p 1433 --script ms-sql-config --script-args mssql.username=sa,mssql.password=sa <host>
--
-- @args ms-sql-config.showall If set, shows all configuration options.
--
-- @output
-- | ms-sql-config:
-- | [192.168.100.25\MSSQLSERVER]
-- | Databases
-- | name db_size owner
-- | ==== ======= =====
-- | nmap 2.74 MB MAC-MINI\david
-- | Configuration
-- | name value inuse description
-- | ==== ===== ===== ===========
-- | SQL Mail XPs 0 0 Enable or disable SQL Mail XPs
-- | Database Mail XPs 0 0 Enable or disable Database Mail XPs
-- | SMO and DMO XPs 1 1 Enable or disable SMO and DMO XPs
-- | Ole Automation Procedures 0 0 Enable or disable Ole Automation Procedures
-- | xp_cmdshell 0 0 Enable or disable command shell
-- | Ad Hoc Distributed Queries 0 0 Enable or disable Ad Hoc Distributed Queries
-- | Replication XPs 0 0 Enable or disable Replication XPs
-- | Linked Servers
-- | srvname srvproduct providername
-- | ======= ========== ============
-- |_ MAC-MINI SQL Server SQLOLEDB
--
-- Created 04/02/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
-- Revised 02/01/2011 - v0.2 - Added ability to run against all instances on a host;
-- added compatibility with changes in mssql.lua (Chris Woodbury)
author = "Patrik Karlsson"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
@@ -11,57 +68,23 @@ require 'shortport'
require 'stdnse'
require 'mssql'
dependencies = {"ms-sql-brute", "ms-sql-empty-password"}
dependencies = {"ms-sql-brute", "ms-sql-empty-password", "ms-sql-discover"}
---
-- @args mssql.username specifies the username to use to connect to
-- the server. This option overrides any accounts found by
-- the mssql-brute and mssql-empty-password scripts.
--
-- @args mssql.password specifies the password to use to connect to
-- the server. This option overrides any accounts found by
-- the mssql-brute and mssql-empty-password scripts.
--
-- @args ms-sql-config.showall if set shows all configuration options.
--
-- @output
-- PORT STATE SERVICE
-- 1433/tcp open ms-sql-s
-- | ms-sql-config:
-- | Databases
-- | name db_size owner
-- | ==== ======= =====
-- | nmap 2.74 MB MAC-MINI\david
-- | Configuration
-- | name value inuse description
-- | ==== ===== ===== ===========
-- | SQL Mail XPs 0 0 Enable or disable SQL Mail XPs
-- | Database Mail XPs 0 0 Enable or disable Database Mail XPs
-- | SMO and DMO XPs 1 1 Enable or disable SMO and DMO XPs
-- | Ole Automation Procedures 0 0 Enable or disable Ole Automation Procedures
-- | xp_cmdshell 0 0 Enable or disable command shell
-- | Ad Hoc Distributed Queries 0 0 Enable or disable Ad Hoc Distributed Queries
-- | Replication XPs 0 0 Enable or disable Replication XPs
-- | Linked Servers
-- | srvname srvproduct providername
-- | ======= ========== ============
-- |_ MAC-MINI SQL Server SQLOLEDB
-- Version 0.1
-- Created 04/02/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
hostrule = mssql.Helper.GetHostrule_Standard()
portrule = mssql.Helper.GetPortrule_Standard()
portrule = shortport.port_or_service(1433, "ms-sql-s")
action = function( host, port )
local status, helper, response
local username = stdnse.get_script_args( 'mssql.username' )
local password = stdnse.get_script_args( 'mssql.password' ) or ""
--- Processes a set of instances
local function process_instance( instance )
local status, errorMessage
local result, result_part = {}, {}
local conf_filter = stdnse.get_script_args( {'mssql-config.showall', 'ms-sql-config.showall'} ) and ""
or " WHERE configuration_id > 16384"
local db_filter = stdnse.get_script_args( {'mssql-config.showall', 'ms-sql-config.showall'} ) and ""
or " WHERE name NOT IN ('master','model','tempdb','msdb')"
local helper = mssql.Helper:new()
local queries = {
[2]={ ["Configuration"] = [[ SELECT name,
@@ -77,46 +100,25 @@ action = function( host, port )
INSERT INTO #nmap_dbs EXEC sp_helpdb
SELECT name, db_size, owner
FROM #nmap_dbs ]] .. db_filter .. [[
DROP DATABASE #nmap_dbs ]] }
DROP TABLE #nmap_dbs ]] }
}
if ( not(username) and nmap.registry.mssqlusers ) then
-- do we have a sysadmin?
if ( nmap.registry.mssqlusers.sa ) then
username = "sa"
password = nmap.registry.mssqlusers.sa
else
-- ok were stuck with some non sysadmin account, just get the first one
for user, pass in pairs(nmap.registry.mssqlusers) do
username = user
password = pass
break
end
end
end
status, errorMessage = helper:ConnectEx( instance )
if ( not(status) ) then result = "ERROR: " .. errorMessage end
-- If we don't have a valid username, simply fail silently
if ( not(username) ) then
return
end
helper = mssql.Helper:new()
status, response = helper:Connect(host, port)
if ( not(status) ) then
return " \n\n" .. response
end
status, response = helper:Login( username, password, nil, host.ip )
if ( not(status) ) then
return " \n\nERROR: " .. response
if status then
status, errorMessage = helper:LoginEx( instance )
if ( not(status) ) then result = "ERROR: " .. errorMessage end
end
for _, v in ipairs( queries ) do
if ( not status ) then break end
for header, query in pairs(v) do
status, result_part = helper:Query( query )
if ( not(status) ) then
return " \n\nERROR: " .. result_part
result = "ERROR: " .. result_part
break
end
result_part = mssql.Util.FormatOutputTable( result_part, true )
result_part.name = header
@@ -126,6 +128,28 @@ action = function( host, port )
helper:Disconnect()
return stdnse.format_output( true, result )
local instanceOutput = {}
instanceOutput["name"] = string.format( "[%s]", instance:GetName() )
table.insert( instanceOutput, result )
return instanceOutput
end
action = function( host, port )
local scriptOutput = {}
local status, instanceList = mssql.Helper.GetTargetInstances( host, port )
if ( not status ) then
return stdnse.format_output( false, instanceList )
else
for _, instance in pairs( instanceList ) do
local instanceOutput = process_instance( instance )
if instanceOutput then
table.insert( scriptOutput, instanceOutput )
end
end
end
return stdnse.format_output( true, scriptOutput )
end