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1d26975ede
scripts are:
- ms-sql-brute.nse uses the unpwdb library to guess credentials for MSSQL
- ms-sql-config retrieves various configuration details from the server
- ms-sql-empty-password checks if the sa account has an empty password
- ms-sql-hasdbaccess lists database access per user
- ms-sql-query add support for running custom queries against the database
- ms-sql-tables lists databases, tables, columns and datatypes with optional
keyword filtering
- ms-sql-xp-cmdshell adds support for OS command execution to privileged
users
[Patrik]
109 lines
3.3 KiB
Lua
109 lines
3.3 KiB
Lua
description = [[
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Queries Microsoft SQL Server (MSSQL) for a list of:
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* Databases
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* Linked Servers
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* Configuration settings
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]]
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author = "Patrik Karlsson"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"discovery", "safe"}
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require 'shortport'
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require 'stdnse'
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require 'mssql'
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dependencies = {"ms-sql-brute", "ms-sql-empty-password"}
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--
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-- @args mssql.username specifies the username to use to connect to
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-- the server. This option overrides any accounts found by
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-- the mssql-brute and mssql-empty-password scripts.
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--
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-- @args mssql.password specifies the password to use to connect to
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-- the server. This option overrides any accounts found by
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-- the mssql-brute and mssql-empty-password scripts.
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--
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-- @args mssql-config.showall if set shows all configuration options.
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--
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-- Version 0.1
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-- Created 04/02/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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portrule = shortport.port_or_service(1433, "ms-sql-s")
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action = function( host, port )
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local status, helper, response
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local username = nmap.registry.args['mssql.username']
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local password = nmap.registry.args['mssql.password'] or ""
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local result, result_part = {}, {}
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local conf_filter = ( nmap.registry.args['mssql-config.showall'] ) and "" or " WHERE configuration_id > 16384"
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local db_filter = ( nmap.registry.args['mssql-config.showall'] ) and "" or " WHERE name NOT IN ('master','model','tempdb','msdb')"
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local queries = {
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[2]={ ["Configuration"] = [[ SELECT name,
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cast(value as varchar) value,
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cast(value_in_use as varchar) inuse,
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description
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FROM sys.configurations ]] .. conf_filter },
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[3]={ ["Linked Servers"] = [[ SELECT srvname, srvproduct, providername
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FROM master..sysservers
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WHERE srvid > 0 ]] },
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[1]={ ["Databases"] = [[ CREATE TABLE #nmap_dbs(name varchar(255), db_size varchar(255), owner varchar(255),
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dbid int, created datetime, status varchar(512), compatibility_level int )
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INSERT INTO #nmap_dbs EXEC sp_helpdb
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SELECT name, db_size, owner
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FROM #nmap_dbs ]] .. db_filter .. [[
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DROP DATABASE #nmap_dbs ]] }
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}
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if ( not(username) and nmap.registry.mssqlusers ) then
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-- do we have a sysadmin?
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if ( nmap.registry.mssqlusers.sa ) then
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username = "sa"
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password = nmap.registry.mssqlusers.sa
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else
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-- ok were stuck with some non sysadmin account, just get the first one
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for user, pass in pairs(nmap.registry.mssqlusers) do
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username = user
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password = pass
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break
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end
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end
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end
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-- If we don't have a valid username, simply fail silently
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if ( not(username) ) then
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return
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end
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helper = mssql.Helper:new()
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status, response = helper:Connect(host, port)
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if ( not(status) ) then
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return " \n\n" .. response
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end
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status, response = helper:Login( username, password, nil, host.ip )
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if ( not(status) ) then
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return " \n\nERROR: " .. response
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end
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for _, v in ipairs( queries ) do
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for header, query in pairs(v) do
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status, result_part = helper:Query( query )
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if ( not(status) ) then
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return " \n\nERROR: " .. result_part
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end
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result_part = mssql.Util.FormatOutputTable( result_part, true )
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result_part.name = header
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table.insert( result, result_part )
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end
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end
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helper:Disconnect()
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return stdnse.format_output( true, result )
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end |