added nse script

scripts/x3-adxsrv.nse

@@ -0,0 +1,64 @@
+local nmap = require "nmap"
+local shortport = require "shortport"
+local string = require "string"
+
+description = [[
+Checks if an X3 AdxSrv service is present and vulnerable to a directory disclosure 
+vulnerability.
+
+]]
+
+---
+-- @see 
+-- @usage
+-- nmap -p 50000 --script x3-adxsrv.nse <target>
+--
+-- @output
+-- 50000/tcp open  
+-- |x3-adxsrv-vuln: VULNERABLE
+-- |_Directory returned-> C:\Sage\SafeX3\AdxAdmin
+
+author = "@deadjakk"
+license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
+categories = {"safe", "vuln"}
+
+portrule = shortport.port_or_service ({50000,1818,1895,1819}, "Sage X3", {"tcp"})
+
+action = function( host, port )
+
+  local socket = nmap.new_socket()
+  local status, err = socket:connect(host, port)
+  if not status then 
+      return
+  end
+
+  local auth = "\x09\x00"
+  local adx_dir_msg = "\x07\x41\x44\x58\x44\x49\x52\x00"
+
+  socket:set_timeout(5000)
+  socket:send(auth)
+
+  status, line = socket:receive_bytes(4)
+  if not status then
+      return 
+  end
+  -- checks for indicator of authorization
+  if not string.sub(line,1,2) == "\x00\x00" then
+     return 
+  end
+
+  socket:send(adx_dir_msg)
+  local status, line = socket:receive_buf("AdxAdmin",true)
+  if not status then
+      return
+  end
+  if not line then
+      return
+  end
+  if status then
+    return "VULNERABLE\nDirectory returned-> " .. string.sub(line,5,-1)
+  end
+  return
+end
+
+