1 files changed, 108 insertions, 0 deletions
diff --git a/scripts/mongodb-brute.nse b/scripts/mongodb-brute.nse
new file mode 100644
index 0000000..48ce84c
--- /dev/null
+++ b/scripts/mongodb-brute.nse
@@ -0,0 +1,108 @@
+local brute = require "brute"
+local creds = require "creds"
+local nmap = require "nmap"
+local shortport = require "shortport"
+local stdnse = require "stdnse"
+
+local mongodb = stdnse.silent_require "mongodb"
+
+description = [[
+Performs brute force password auditing against the MongoDB database.
+]]
+
+---
+-- @usage
+-- nmap -p 27017 <ip> --script mongodb-brute
+--
+-- @args mongodb-brute.db Database against which to check. Default: admin
+--
+-- @output
+-- PORT      STATE SERVICE
+-- 27017/tcp open  mongodb
+-- | mongodb-brute:
+-- |   Accounts
+-- |     root:Password1 - Valid credentials
+-- |   Statistics
+-- |_    Performed 3542 guesses in 9 seconds, average tps: 393
+--
+
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
+categories = {"intrusive", "brute"}
+
+local arg_db = stdnse.get_script_args(SCRIPT_NAME .. ".db") or "admin"
+
+portrule = shortport.port_or_service({27017}, {"mongodb", "mongod"})
+
+Driver = {
+
+  new = function(self, host, port, options)
+    local o = { host = host, port = port, sock = brute.new_socket() }
+    setmetatable(o, self)
+    self.__index = self
+    return o
+  end,
+
+  connect = function(self)
+    return self.sock:connect(self.host, self.port)
+  end,
+
+  login = function(self, username, password)
+    local status, resp = mongodb.login(self.sock, arg_db, username, password)
+    if ( status ) then
+      return true, creds.Account:new(username, password, creds.State.VALID)
+    elseif ( resp ~= "Authentication failed" ) then
+      local err = brute.Error:new( resp )
+      err:setRetry( true )
+      return false, err
+    end
+    return false, brute.Error:new( "Incorrect password" )
+  end,
+
+  disconnect = function(self)
+    return self.sock:close()
+  end,
+
+}
+
+local function needsAuth(host, port)
+  local socket = nmap.new_socket()
+  local status, result = socket:connect(host, port)
+  if ( not(status) ) then
+    return false, "Failed to connect to server"
+  end
+
+  local packet
+  status, packet = mongodb.listDbQuery()
+  if ( not(status) ) then
+    return false, result
+  end
+
+  --- Send packet
+  status, result = mongodb.query(socket, packet)
+  if ( not(status) ) then
+    return false, result
+  end
+
+  socket:close()
+  if ( status and result.errmsg ) then
+    return true
+  end
+  return false
+end
+
+action = function(host, port)
+
+  if ( not(needsAuth(host, port)) ) then
+    return "No authentication needed"
+  end
+
+  local engine = brute.Engine:new(Driver, host, port )
+
+  engine.options.script_name = SCRIPT_NAME
+  engine.options.firstonly = true
+  local status, result = engine:start()
+
+  return result
+end