1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
description = [[
Performs brute force password auditing against Mikrotik RouterOS devices with the API RouterOS interface enabled.
Additional information:
* http://wiki.mikrotik.com/wiki/API
]]
---
-- @usage
-- nmap -p8728 --script mikrotik-routeros-brute <target>
--
-- @output
-- PORT STATE SERVICE REASON
-- 8728/tcp open unknown syn-ack
-- | mikrotik-routeros-brute:
-- | Accounts
-- | admin:dOsmyvsvJGA967eanX - Valid credentials
-- | Statistics
-- |_ Performed 60 guesses in 602 seconds, average tps: 0
--
-- @args mikrotik-routeros-brute.threads sets the number of threads. Default: 1
--
---
author = "Paulino Calderon <calderon()websec.mx>"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"intrusive", "brute"}
local shortport = require "shortport"
local brute = require "brute"
local creds = require "creds"
local nmap = require "nmap"
local stdnse = require "stdnse"
local string = require "string"
local openssl = stdnse.silent_require "openssl"
portrule = shortport.portnumber(8728, "tcp")
Driver =
{
new = function(self, host, port, options )
local o = { host = host, port = port, options = options }
setmetatable(o, self)
self.__index = self
o.emptypass = true
return o
end,
connect = function( self )
self.s = brute.new_socket()
self.s:set_timeout(self.options['timeout'])
return self.s:connect(self.host, self.port, "tcp")
end,
login = function( self, username, password )
local status, data, try
data = string.pack("s1x", "/login")
--Connect to service and obtain the challenge response
try = nmap.new_try(function() return false end)
try(self.s:send(data))
data = try(self.s:receive_bytes(50))
stdnse.debug1("Response #1:%s", data)
local _, _, ret = string.find(data, '!done%%=ret=(.+)')
--If we find the challenge value we continue the connection process
if ret then
stdnse.debug1("Challenge value found:%s", ret)
local md5str = "\0" .. password .. stdnse.fromhex(ret) --appends pwd and challenge
local chksum = stdnse.tohex(openssl.md5(md5str))
local login_pkt = string.pack("s1s1s1x", "/login", "=name="..username, "=response=00"..chksum)
try(self.s:send(login_pkt))
data = try(self.s:receive_bytes(50))
stdnse.debug1("Response #2:%s", data)
if data then
if string.find(data, "message=cannot") == nil then
local c = creds.Credentials:new(SCRIPT_NAME, self.host, self.port )
c:add(username, password, creds.State.VALID )
end
end
end
return false, brute.Error:new( "Incorrect password" )
end,
disconnect = function( self )
return self.s:close()
end
}
action = function(host, port)
local thread_num = tonumber(stdnse.get_script_args(SCRIPT_NAME..".threads")) or 1
local options = {timeout = 5000}
local bengine = brute.Engine:new(Driver, host, port, options)
bengine:setMaxThreads(thread_num)
bengine.options.script_name = SCRIPT_NAME
local _, result = bengine:start()
return result
end
|