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mysql-brute.nse
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mysql-brute.nse
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local brute = require "brute"
local creds = require "creds"
local mysql = require "mysql"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local openssl = stdnse.silent_require "openssl"
description = [[
Performs password guessing against MySQL.
]]
---
-- @usage
-- nmap --script=mysql-brute <target>
--
-- @output
-- 3306/tcp open mysql
-- | mysql-brute:
-- | Accounts
-- | root:root - Valid credentials
author = "Patrik Karlsson"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"intrusive", "brute"}
-- Version 0.5
-- Created 01/15/2010 - v0.1 - created by Patrik Karlsson <[email protected]>
-- Revised 01/23/2010 - v0.2 - revised by Patrik Karlsson, changed username, password loop, added credential storage for other mysql scripts, added timelimit
-- Revised 01/23/2010 - v0.3 - revised by Patrik Karlsson, fixed bug showing account passwords detected twice
-- Revised 09/09/2011 - v0.4 - revised by Tom Sellers, changed account status text to be more consistent with other *-brute scripts
-- Revised 05/25/2012 - v0.5 - revised by Aleksandar Nikolic, rewritten to use brute lib
portrule = shortport.port_or_service(3306, "mysql")
local arg_timeout = stdnse.get_script_args(SCRIPT_NAME .. ".timeout") or 5
Driver = {
new = function(self, host, port)
local o = {}
setmetatable(o, self)
self.__index = self
o.host = host
o.port = port
return o
end,
connect = function( self )
self.socket = nmap.new_socket()
local status, err = self.socket:connect(self.host, self.port)
self.socket:set_timeout(tonumber(arg_timeout) * 1000)
if(not(status)) then
return false, brute.Error:new( "Couldn't connect to host: " .. err )
end
return true
end,
login = function (self, user, pass)
local status, response = mysql.receiveGreeting(self.socket)
if(not(status)) then
return false,brute.Error:new(response)
end
stdnse.print_debug( "Trying %s/%s ...", user, pass )
status, response = mysql.loginRequest( self.socket, { authversion = "post41", charset = response.charset }, user, pass, response.salt )
if status then
-- Add credentials for other mysql scripts to use
if nmap.registry.mysqlusers == nil then
nmap.registry.mysqlusers = {}
end
nmap.registry.mysqlusers[user]=pass
return true, brute.Account:new( user, pass, creds.State.VALID)
end
return false,brute.Error:new( "Incorrect password" )
end,
disconnect = function( self )
self.socket:close()
return true
end
}
action = function( host, port )
local status, result
local engine = brute.Engine:new(Driver, host, port)
engine.options.script_name = SCRIPT_NAME
status, result = engine:start()
return result
end