local brute = require "brute" local creds = require "creds" local shortport = require "shortport" local socks = require "socks" local stdnse = require "stdnse" description = [[ Performs brute force password auditing against SOCKS 5 proxy servers. ]] --- -- @usage -- nmap --script socks-brute -p 1080 -- -- @output -- PORT STATE SERVICE -- 1080/tcp open socks -- | socks-brute: -- | Accounts -- | patrik:12345 - Valid credentials -- | Statistics -- |_ Performed 1921 guesses in 6 seconds, average tps: 320 -- author = "Patrik Karlsson" license = "Same as Nmap--See https://nmap.org/book/man-legal.html" categories = {"brute", "intrusive"} portrule = shortport.port_or_service({1080, 9050}, {"socks", "socks5", "tor-socks"}) Driver = { new = function (self, host, port) local o = { host = host, port = port } setmetatable (o,self) self.__index = self return o end, connect = function ( self ) self.helper = socks.Helper:new(self.host, self.port, { timeout = 10000 }) return self.helper:connect(nil, brute.new_socket()) end, login = function( self, username, password ) local status, err = self.helper:authenticate({username=username, password=password}) if (not(status)) then -- the login failed if ( "Authentication failed" == err ) then return false, brute.Error:new( "Login failed" ) end -- something else happened, let's retry local err = brute.Error:new( err ) err:setRetry( true ) return false, err end return true, creds.Account:new(username, password, creds.State.VALID) end, disconnect = function( self ) return self.helper:close() end, } local function checkAuth(host, port) local helper = socks.Helper:new(host, port) local status, response = helper:connect() if ( not(status) ) then return false, response end if ( response.method == socks.AuthMethod.NONE ) then return false, "\n No authentication required" end local status, err = helper:authenticate({username="nmap", password="nmapbruteprobe"}) if ( err ~= "Authentication failed" ) then return false, err end helper:close() return true end action = function(host, port) local status, response = checkAuth(host, port) if ( not(status) ) then return stdnse.format_output(false, response) end local engine = brute.Engine:new(Driver, host, port) engine.options.script_name = SCRIPT_NAME local result status, result = engine:start() return result end