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nmap/scripts/smb-os-discovery.nse
david f054d25d1f Adjust the categories of the new SMB scripts. Also fix a couple of
documentation typos.

smb-os-discovery.nse
-categories = {"version","default"}
+categories = {"default", "discovery", "safe"}
 
smb-enum.nse
-categories = {"version","intrusive"}
+categories = {"discovery", "intrusive"}
 
smb-security-mode.nse
-categories = {"version"}
+categories = {"discovery", "safe"}
2008-09-15 18:10:00 +00:00

81 lines
2.1 KiB
Lua

--- Attempts to determine the operating system over SMB protocol (ports 445 and 139).
-- See nselib/smb.lua for more information on this protocol.
--
--@usage
-- nmap --script smb-os-discovery.nse -p445 127.0.0.1\n
-- sudo nmap -sU -sS --script smb-os-discovery.nse -p U:137,T:139 127.0.0.1\n
--
--@output
-- | OS from SMB: Windows 2000
-- | LAN Manager: Windows 2000 LAN Manager
-- | Name: WORKGROUP\TEST1
-- |_ System time: 2008-09-09 20:55:55 UTC-5
--
-----------------------------------------------------------------------
id = "OS from SMB"
description = "Attempts to determine the operating system over the SMB protocol (ports 445 and 139)."
author = "Ron Bowes"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"default", "discovery", "safe"}
require 'smb'
require 'stdnse'
--- Check whether or not this script should be run.
hostrule = function(host)
local port = smb.get_port(host)
if(port == nil) then
return false
else
return true
end
end
--- Converts numbered Windows versions (5.0, 5.1) to the names (Windows 2000, Windows XP).
--@param os The name of the OS
--@return The actual name of the OS (or the same as the 'os' parameter)
function get_windows_version(os)
if(os == "Windows 5.0") then
return "Windows 2000"
elseif(os == "Windows 5.1")then
return "Windows XP"
end
return os
end
action = function(host)
status, socket = smb.start(host)
if(status == false) then
return "Error: " .. socket
end
status, negotiate_result = smb.negotiate_protocol(socket)
if(status == false) then
stdnse.print_debug(2, "Negotiate session failed")
smb.stop(socket)
return "Error: " .. negotiate_result
end
status, session_result = smb.start_session(socket, "", negotiate_result['session_key'], negotiate_result['capabilities'])
if(status == false) then
smb.stop(socket)
return "Error: " .. session_result
end
smb.stop(socket)
return string.format("%s\nLAN Manager: %s\nName: %s\\%s\nSystem time: %s %s\n", get_windows_version(session_result['os']), session_result['lanmanager'], negotiate_result['domain'], negotiate_result['server'], negotiate_result['date'], negotiate_result['timezone_str'])
end