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