domcon-brute
NSE detection rule by Patrik Karlsson · Same as Nmap--See https://nmap.org/book/man-legal.html
Performs brute force password auditing against the Lotus Domino Console.
local brute = require "brute"
local creds = require "creds"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Performs brute force password auditing against the Lotus Domino Console.
]]
---
-- @usage
-- nmap --script domcon-brute -p 2050 <host>
--
-- @output
-- PORT STATE SERVICE REASON
-- 2050/tcp open unknown syn-ack
-- | domcon-brute:
-- | Accounts
-- |_ patrik karlsson:secret => Login correct
--
-- Summary
-- -------
-- x The Driver class contains the driver implementation used by the brute
-- library
--
--
-- Version 0.1
-- Created 07/12/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
--
author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"intrusive", "brute"}
portrule = shortport.portnumber(2050, "tcp", "open")
local not_admins = {}
SocketPool = {
new = function(self, max_sockets)
local o = {}
setmetatable(o, self)
self.__index = self
o.max_sockets = max_sockets
o.pool = {}
return o
end,
getSocket = function(self, host, port)
while(true) do
for i=1, #self.pool do
if ( not( self.pool[i].inuse ) ) then
self.pool[i].inuse = true
return self.pool[i].socket
end
end
if ( #self.pool < self.max_sockets ) then
local socket = nmap.new_socket()
local status = socket:connect( host, port )
if ( status ) then
socket:reconnect_ssl()
end
if ( status and socket ) then
table.insert( self.pool, {['socket'] = socket, ['inuse'] = false})
end
end
stdnse.sleep(1)
end
end,
releaseSocket = function( self, socket )
for i=1, #self.pool do
if( socket == self.pool[i].socket ) then
self.pool[i].inuse = false
break
end
end
end,
shutdown = function( self )
for i=1, #self.pool do
self.pool[i].socket:close()
end
end,
}
Driver =
{
new = function(self, host, port, options)
local o = {}
setmetatable(o, self)
self.__index = self
o.host = host
o.port = port
o.sockpool = options
return o
end,
connect = function( self )
self.socket = self.sockpool:getSocket( self.host, self.port )
if ( self.socket ) then
return true
else
return false
end
end,
--- Attempts to login to the Lotus Domino Console
--
-- @param username string containing the login username
-- @param password string containing the login password
-- @return status, true on success, false on failure
-- @return brute.Error object on failure
-- creds.Account object on success
login = function( self, username, password )
local data = ("#UI %s,%s\n"):format(username,password)
local status
if ( not_admins[username] ) then
return false, brute.Error:new( "Incorrect password" )
end
status, data = self.socket:send( data )
if ( not(status) ) then
local err = brute.Error:new( data )
err:setRetry(true)
return false, err
end
status, data = self.socket:receive_bytes(5)
if ( status and data:match("NOT_REG_ADMIN") ) then
not_admins[username] = true
elseif( status and data:match("VALID_USER") ) then
return true, creds.Account:new( username, password, creds.State.VALID)
end
return false, brute.Error:new( "Incorrect password" )
end,
disconnect = function( self )
self.sockpool:releaseSocket( self.socket )
end,
}
action = function(host, port)
local status, result
local pool = SocketPool:new(10)
local engine = brute.Engine:new(Driver, host, port, pool )
engine.options.script_name = SCRIPT_NAME
status, result = engine:start()
pool:shutdown()
return result
end