socks-brute
NSE detection rule by Patrik Karlsson · Same as Nmap--See https://nmap.org/book/man-legal.html
Performs brute force password auditing against SOCKS 5 proxy servers.
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 <host>
--
-- @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