mirror of
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99 lines
3.6 KiB
Lua
99 lines
3.6 KiB
Lua
local shortport = require "shortport"
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local http = require "http"
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local stdnse = require "stdnse"
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local string = require "string"
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local table = require "table"
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description = [[
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Attempts to retrieve the server-status page for Apache webservers that
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have mod_status enabled. If the server-status page exists and appears to
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be from mod_status the script will parse useful information such as the
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system uptime, Apache version and recent HTTP requests.
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References:
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* http://httpd.apache.org/docs/2.4/mod/mod_status.html
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* https://blog.sucuri.net/2012/10/popular-sites-with-apache-server-status-enabled.html
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* https://www.exploit-db.com/ghdb/1355/
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* https://github.com/michenriksen/nmap-scripts
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]]
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---
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--@usage nmap -p80 --script http-apache-server-status <target>
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--@usage nmap -sV --script http-apache-server-status <target>
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--
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--@output
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-- PORT STATE SERVICE
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-- 80/tcp open http
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-- | http-apache-server-status:
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-- | Heading: Apache Server Status for example.com (via 127.0.1.1)
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-- | Server Version: Apache/2.4.12 (Ubuntu)
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-- | Server Built: Jul 24 2015 15:59:00
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-- | Server Uptime: 53 minutes 31 seconds
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-- | Server Load: 0.00 0.01 0.05
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-- | VHosts:
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-- |_ www.example.com:80 GET /server-status HTTP/1.1
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--
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-- @xmloutput
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-- <elem key="Heading">Apache Server Status for example.com (via 127.0.1.1)</elem>
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-- <elem key="Server Version">Apache/2.4.12 (Ubuntu)</elem>
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-- <elem key="Server Built">Jul 24 2015 15:59:00</elem>
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-- <elem key="Server Uptime">59 minutes 26 seconds</elem>
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-- <elem key="Server Load">0.01 0.02 0.05</elem>
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-- <table key="VHosts">
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-- <elem>www.example.com:80</elem>
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-- </table>
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author = "Eric Gershman"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"discovery", "safe"}
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portrule = shortport.port_or_service({80, 443}, {"http","https"}, "tcp", "open")
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action = function(host, port)
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-- Perform a GET request for /server-status
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local path = "/server-status"
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local response = http.get(host,port,path)
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local result = {}
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-- Fail if there is no data in the response, the response body or if the HTTP status code is not successful
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if not response or not response.status or response.status ~= 200 or not response.body then
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stdnse.debug(1, "Failed to retrieve: %s", path)
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return
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end
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-- Fail if this doesn't appear to be an Apache mod_status page
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if not string.match(response.body, "Apache%sServer%sStatus") then
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stdnse.debug(1, "%s does not appear to be a mod_status page", path)
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return
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end
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result = stdnse.output_table()
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-- Remove line breaks from response.body to handle html tags that span multiple lines
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response.body = string.gsub(response.body, "\n", "")
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-- Add useful data to the result table
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result["Heading"] = string.match(response.body, "<h1>([^<]*)</h1>")
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result["Server Version"] = string.match(response.body, "Server%sVersion:%s*([^<]*)</")
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result["Server Built"] = string.match(response.body, "Server%sBuilt:%s*([^<]*)</")
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result["Server Uptime"] = string.match(response.body, "Server%suptime:%s*([^<]*)</")
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result["Server Load"] = string.match(response.body, "Server%sload:%s*([^<]*)</")
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result.VHosts = {}
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local uniq_requests = {}
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-- Parse the Apache client requests into the result table
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for line in string.gmatch(response.body, "<td nowrap>.-</td></tr>") do
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-- skip line if the request is empty
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if not string.match(line, "<td%snowrap></td><td%snowrap></td></tr>") then
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local vhost = string.match(line, ">([^<]*)</td><td")
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uniq_requests[vhost] = 1
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end
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end
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for request,count in pairs(uniq_requests) do
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table.insert(result.VHosts,request)
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end
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table.sort(result.VHosts)
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return result
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end
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