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0bc8e65811
mysql-brute mysql-datatabase mysql-empty-password mysql-users mysql-variables and the mysql module
86 lines
2.4 KiB
Lua
86 lines
2.4 KiB
Lua
description = [[
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Performs password guessing against MySQL
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]]
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---
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-- @output
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-- 3306/tcp open mysql
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-- | mysql-brute:
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-- | root:<empty> => Login Correct
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-- |_ test:test => Login Correct
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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 = {"intrusive", "auth"}
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require 'shortport'
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require 'stdnse'
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require 'mysql'
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require 'unpwdb'
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-- Version 0.3
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-- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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-- Revised 01/23/2010 - v0.2 - revised by Patrik Karlsson, changed username, password loop, added credential storage for other mysql scripts, added timelimit
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-- Revised 01/23/2010 - v0.3 - revised by Patrik Karlsson, fixed bug showing account passwords detected twice
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portrule = shortport.port_or_service(3306, "mysql")
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action = function( host, port )
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local socket = nmap.new_socket()
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local catch = function() socket:close() end
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local try = nmap.new_try(catch)
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local result, response, status, aborted = {}, nil, nil, false
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local valid_accounts = {}
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local usernames, passwords
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local username, password
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local max_time = unpwdb.timelimit() ~= nil and unpwdb.timelimit() * 1000 or -1
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local clock_start = nmap.clock_ms()
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-- set a reasonable timeout value
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socket:set_timeout(5000)
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usernames = try(unpwdb.usernames())
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passwords = try(unpwdb.passwords())
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for username in usernames do
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for password in passwords do
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if max_time>0 and nmap.clock_ms() - clock_start > max_time then
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aborted=true
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break
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end
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try( socket:connect(host.ip, port.number, "tcp") )
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response = try( mysql.receiveGreeting( socket ) )
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stdnse.print_debug( string.format("Trying %s/%s ...", username, password ) )
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status, response = mysql.loginRequest( socket, { authversion = "post41", charset = response.charset }, username, password, response.salt )
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socket:close()
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if status then
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-- Add credentials for other mysql scripts to use
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if nmap.registry.mysqlusers == nil then
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nmap.registry.mysqlusers = {}
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end
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nmap.registry.mysqlusers[username]=password
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table.insert( valid_accounts, string.format("%s:%s => Login Correct", username, password:len()>0 and password or "<empty>" ) )
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break
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end
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end
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passwords("reset")
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end
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local output = stdnse.format_output(true, valid_accounts)
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if max_time > 0 and aborted then
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output = output .. string.format(" \n\nscript aborted execution after %d seconds", max_time/1000 )
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end
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return output
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end
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