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local brute = require "brute"
local creds = require "creds"
local rpcap = require "rpcap"
local shortport = require "shortport"
description = [[
Performs brute force password auditing against the WinPcap Remote Capture
Daemon (rpcap).
]]
---
-- @usage
-- nmap -p 2002 <ip> --script rpcap-brute
--
-- @output
-- PORT STATE SERVICE REASON
-- 2002/tcp open globe syn-ack
-- | rpcap-brute:
-- | Accounts
-- | monkey:Password1 - Valid credentials
-- | Statistics
-- |_ Performed 3540 guesses in 3 seconds, average tps: 1180
--
--
author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"intrusive", "brute"}
portrule = shortport.port_or_service(2002, "rpcap", "tcp")
Driver = {
new = function(self, host, port)
local o = { helper = rpcap.Helper:new(host, port, brute.new_socket()) }
setmetatable(o, self)
self.__index = self
return o
end,
connect = function(self)
return self.helper:connect()
end,
login = function(self, username, password)
local status, resp = self.helper:login(username, password)
if ( status ) then
return true, creds.Account:new(username, password, creds.State.VALID)
end
return false, brute.Error:new( "Incorrect password" )
end,
disconnect = function(self)
return self.helper:close()
end,
}
local function validateAuth(host, port)
local helper = rpcap.Helper:new(host, port)
local status, result = helper:connect()
if ( not(status) ) then
return false, result
end
status, result = helper:login()
helper:close()
if ( status ) then
return false, "Authentication not required"
elseif ( not(status) and
"Authentication failed; NULL authentication not permitted." == result ) then
return true
end
return status, result
end
action = function(host, port)
local status, result = validateAuth(host, port)
if ( not(status) ) then
return result
end
local engine = brute.Engine:new(Driver, host, port )
engine.options.script_name = SCRIPT_NAME
engine.options.firstonly = true
status, result = engine:start()
return result
end
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