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Several (tm) months back I did my talk on "From LOW to PWNED" at hashdays and BSides Atlanta.
The slides were published here and the video from hashdays is here, no video for BSides ATL.
I consistently violate presentation zen and I try to make my slides usable after the talk but I decided to do a few blog posts covering the topics I put in the talk anyway.
Post [1] Exposed Services and Admin Interfaces
Exposed Services:
An example of exposed services and making sure you check for default and common passwords. so first example is a VNC server with no password. This gives us a HIGH severity finding
The following is a VNC server with a password of "password"
see the problem? Same thing goes for SSH, Telnet, FTP, etc. Don't forget about databases as well, MS SQL, MySQL, Oracle, Postgres listening out to the Internet at large.
Admin Interfaces:
Admin interfaces can be gold. the problem is 1) you have to find them on the random ass port they are running on and 2) you have to get eyes on them. this can be a hassle/problem/hard to do.
So to bring the "low" to it. some random HTTP server gets you this in Nessus
Now, to be fair this could be totally accurate, but the point is you need to look at what is being served on this HTTP server, could be something could be nothing, no way to know unless you look. Finding useful HTTP pages on all the random ports can be challenging.Here is a possible methodology for doing it:
- Nmap your range
- Import your nmap results into metasploit
- Use the db_ searches to pull out a list of hosts & ports
- With the magic of scripting languages make that list into an html page(s)
- Use linky to open all those links
after you have imported your nmap results, uses the services option.
If its populated you'll get a list or results like the below
Output that stuff to a CSVmsf > services -o /tmp/demo.csv
Take that CSV and run some ruby on it
The above code will output an html file that you can open with linky
linky will open each link in a new tab allowing you a way to get eyes on each of those random HTTP(S) services.
You can now start intelligently trying default passwords or viewing exposed content.
Thoughts?
-CG
