100 lines
2.9 KiB
Lua
100 lines
2.9 KiB
Lua
local brute = require "brute"
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local creds = require "creds"
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local mysql = require "mysql"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local openssl = stdnse.silent_require "openssl"
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description = [[
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Performs password guessing against MySQL.
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]]
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---
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-- @see mysql-empty-password.nse
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--
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-- @usage
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-- nmap --script=mysql-brute <target>
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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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-- | Accounts
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-- | root:root - Valid credentials
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--
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-- @args mysql-brute.timeout socket timeout for connecting to MySQL (default 5s)
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author = "Patrik Karlsson"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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categories = {"intrusive", "brute"}
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-- Version 0.5
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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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-- Revised 09/09/2011 - v0.4 - revised by Tom Sellers, changed account status text to be more consistent with other *-brute scripts
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-- Revised 05/25/2012 - v0.5 - revised by Aleksandar Nikolic, rewritten to use brute lib
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portrule = shortport.port_or_service(3306, "mysql")
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local arg_timeout = stdnse.parse_timespec(stdnse.get_script_args(SCRIPT_NAME .. ".timeout"))
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arg_timeout = (arg_timeout or 5) * 1000
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Driver = {
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new = function(self, host, port)
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local o = {}
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setmetatable(o, self)
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self.__index = self
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o.host = host
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o.port = port
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return o
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end,
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connect = function( self )
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self.socket = brute.new_socket()
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local status, err = self.socket:connect(self.host, self.port)
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self.socket:set_timeout(arg_timeout)
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if(not(status)) then
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return false, brute.Error:new( "Couldn't connect to host: " .. err )
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end
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return true
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end,
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login = function (self, user, pass)
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local status, response = mysql.receiveGreeting(self.socket)
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if(not(status)) then
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return false,brute.Error:new(response)
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end
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stdnse.debug1( "Trying %s/%s ...", user, pass )
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status, response = mysql.loginRequest( self.socket, { authversion = "post41", charset = response.charset }, user, pass, response.salt )
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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[user]=pass
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return true, creds.Account:new( user, pass, creds.State.VALID)
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end
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return false,brute.Error:new( "Incorrect password" )
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end,
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disconnect = function( self )
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self.socket:close()
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return true
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end
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}
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action = function( host, port )
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local status, result
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local engine = brute.Engine:new(Driver, host, port)
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engine.options.script_name = SCRIPT_NAME
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status, result = engine:start()
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return result
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end
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