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

Product type Paperback

Published in Sep 2021

Publisher Packt

ISBN-13 9781838649357

Length 436 pages

Edition 3rd Edition

Languages

C++

Tools

Nmap

Concepts

Network Security

Author (1):

Paulino Calderon

View More author details

Table of Contents (22) Chapters

Preface

1. Chapter 1: Nmap Fundamentals

2. Chapter 2: Getting Familiar with Nmap's Family FREE CHAPTER

3. Chapter 3: Network Scanning

4. Chapter 4: Reconnaissance Tasks

5. Chapter 5: Scanning Web Servers

6. Chapter 6: Scanning Databases

7. Chapter 7: Scanning Mail Servers

8. Chapter 8: Scanning Windows Systems

9. Chapter 9: Scanning ICS/SCADA Systems

10. Chapter 10: Scanning Mainframes

11. Chapter 11: Optimizing Scans

12. Chapter 12: Generating Scan Reports

13. Chapter 13: Writing Your Own NSE Scripts

14. Chapter 14: Exploiting Vulnerabilities with the Nmap Scripting Engine

15. Other Books You May Enjoy

Appendix A: HTTP, HTTP Pipelining, and Web Crawling Configuration Options

HTTP user agent

1. Appendix Β: Brute-Force Password Auditing Options

Brute modes

2. Appendix C: NSE Debugging

3. Appendix D: Additional Output Options

4. Appendix Ε: Introduction to Lua

5. Appendix F: References and Additional Reading

Why subscribe?

Brute forcing Oracle SID names

Oracle SID names are used to identify database instances. The TNS listener service can be abused to find valid SID names. If the SID name is known, dictionary attacks can be performed to attempt to guess valid credentials.

This recipe shows how to brute-force Oracle SID names with Nmap.

How to do it...

To brute-force Oracle SID names, use the following Nmap command:

$ nmap -sV --script oracle-sid-brute <target>

All the SID names found will be included in the NSE script output section for the oracle-sid-brute script:

PORT STATE SERVICE REASON
1521/tcp open   oracle    syn-ack
| oracle-sid-brute:
|     orcl
|     prod
|_    devel

How it works...

The -sV --script oracle-sid-brute options tell Nmap to initiate service detection (-sV) and use the oracle-sid-brute NSE script. The oracle-sid-brute NSE script was submitted by...