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Nmap: Network Exploration and Security Auditing Cookbook

You're reading from   Nmap: Network Exploration and Security Auditing Cookbook Network discovery and security scanning at your fingertips

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781786467454
Length 416 pages
Edition 2nd Edition
Languages
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Author (1):
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Paulino Calderon Paulino Calderon
Author Profile Icon Paulino Calderon
Paulino Calderon
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Toc

Table of Contents (18) Chapters Close

Preface 1. Nmap Fundamentals 2. Network Exploration FREE CHAPTER 3. Reconnaissance Tasks 4. Scanning Web Servers 5. Scanning Databases 6. Scanning Mail Servers 7. Scanning Windows Systems 8. Scanning ICS SCADA Systems 9. Optimizing Scans 10. Generating Scan Reports 11. Writing Your Own NSE Scripts 12. HTTP, HTTP Pipelining, and Web Crawling Configuration Options 13. Brute Force Password Auditing Options 14. NSE Debugging 15. Additional Output Options 16. Introduction to Lua 17. References and Additional Reading

Brute forcing Oracle passwords


System administrators managing several databases often need to check for weak passwords as part of the organization's policy. Penetration testers also take advantage of weak passwords to gain unauthorized access. Conveniently, Nmap NSE offers a way of performing remote brute force password auditing against Oracle database servers.

This recipe shows how to perform brute force password auditing against Oracle with Nmap.

How to do it...

Open a terminal and run Nmap with the following command:

$ nmap -sV --script oracle-brute --script-args oracle-brute.sid=TEST <target>

Any valid credentials found will be included in the results in the script output section:

   PORT     STATE  SERVICE REASON 
   1521/tcp open  oracle  syn-ack 
   | oracle-brute:   
   |   Accounts 
   |     system:system => Valid credentials 
   |   Statistics 
   |_    Perfomed 103 guesses in 6 seconds, average tps: 17

How it works...

The argument -sV --script oracle-brute --script-args oracle...

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