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Mastering Kali Linux for Advanced Penetration Testing, Second Edition
Mastering Kali Linux for Advanced Penetration Testing, Second Edition

Mastering Kali Linux for Advanced Penetration Testing, Second Edition: Secure your network with Kali Linux – the ultimate white hat hackers' toolkit , Second Edition

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Mastering Kali Linux for Advanced Penetration Testing, Second Edition

Open Source Intelligence and Passive Reconnaissance

"If something is not meant to be on the internet, probably it shouldn't be there in the first place."

Information gathering is the way to gather all the relevant information from publicly available sources, and is often referred as Open Source Intelligence (OSINT). Passive reconnaissance through OSINT occurs during the first step of the kill chain when conducting a penetration test or an attack against a network or server target. An attacker will typically dedicate up to 75% of the overall work effort for a penetration test to reconnaissance, as it is this phase that allows the target to be defined, mapped, and explored for the vulnerabilities that will eventually lead to exploitation.

There are two types of reconnaissance: passive reconnaissance (direct and indirect) and active reconnaissance.

Generally, passive...

Basic principles of reconnaissance

Reconnaissance, or recon, is the first step of the kill chain when conducting a penetration test or attack against a data target. This is conducted before the actual test or attack of a target network. The findings will point to where additional reconnaissance may be required, or the vulnerabilities to attack during the exploitation phase.

Reconnaissance activities are segmented on a gradient of interactivity with the target network or device.

Passive reconnaissance does not involve any malicious direct interaction with the target network. The attacker's source IP address and activities are not logged (for example, a Google search for the target's email addresses). It is difficult, if not impossible, for the target to differentiate passive reconnaissance from normal business activities. Here's some more information:

  • Passive reconnaissance...

Google Hacking Database

Lately, Google is the way people keep themselves updated. Google it are the common words utilized to search anything that is unknown or to gather information about the topic in question. In this section, we will narrow down on how penetration testers can utilize Google through dorks.

Using dork script to query Google

The first step for testers to understand Google Hacking Database is to understand all the advanced Google operators, just as the machine-level programming engineers must understand computer OP codes. These Google operators are part of the Google query; the syntax of searching is as follows:

Operator:itemthatyouwanttosearch

There is no space between the operation, the colon, and itemsthatyouwanttosearch...

Creating custom word lists for cracking passwords

There are multiple tools that are readily available in Kali Linux to create custom word lists for cracking passwords offline. We will now take a look at a couple of them in this chapter.

Using CeWL to map a website

CeWL is a Ruby app that spiders a given URL to a specified depth, optionally following external links, and returns a list of words, which can then be used for password crackers, such as John the Ripper.

The following screenshot provides the custom list of words generated from the https://www.google.com index page:

Extracting words from Twitter using Twofi

...

Summary

The first real step in the attack process or kill chain is to conduct reconnaissance to identify the target with the use of OSINT. Passive reconnaissance provides a complete attacker's view of a company. This is a stealthy assessment – the IP address and the activities of the attacker are almost indistinguishable from normal access. Nevertheless, this information can be critical when conducting social engineering attacks or facilitating other attack types. We have now built our own custom script to save time and perform passive reconnaissance using OSINT.

In the next chapter, we will assess the types of reconnaissance that are active and also make use of OSINT results. Although active reconnaissance techniques produce more information, there is an increased risk of detection. Therefore, the emphasis will be on advanced stealth techniques.

...
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Key benefits

  • Employ advanced pentesting techniques with Kali Linux to build highly-secured systems
  • Get to grips with various stealth techniques to remain undetected and defeat the latest defenses and follow proven approaches
  • Select and configure the most effective tools from Kali Linux to test network security and prepare your business against malicious threats and save costs

Description

This book will take you, as a tester or security practitioner through the journey of reconnaissance, vulnerability assessment, exploitation, and post-exploitation activities used by penetration testers and hackers. We will start off by using a laboratory environment to validate tools and techniques, and using an application that supports a collaborative approach to penetration testing. Further we will get acquainted with passive reconnaissance with open source intelligence and active reconnaissance of the external and internal networks. We will also focus on how to select, use, customize, and interpret the results from a variety of different vulnerability scanners. Specific routes to the target will also be examined, including bypassing physical security and exfiltration of data using different techniques. You will also get to grips with concepts such as social engineering, attacking wireless networks, exploitation of web applications and remote access connections. Later you will learn the practical aspects of attacking user client systems by backdooring executable files. You will focus on the most vulnerable part of the network—directly and bypassing the controls, attacking the end user and maintaining persistence access through social media. You will also explore approaches to carrying out advanced penetration testing in tightly secured environments, and the book's hands-on approach will help you understand everything you need to know during a Red teaming exercise or penetration testing

Who is this book for?

Penetration Testers, IT professional or a security consultant who wants to maximize the success of your network testing using some of the advanced features of Kali Linux, then this book is for you.Some prior exposure to basics of penetration testing/ethical hacking would be helpful in making the most out of this title.

What you will learn

  • Select and configure the most effective tools from Kali Linux to test network security
  • Employ stealth to avoid detection in the network being tested
  • Recognize when stealth attacks are being used against your network
  • Exploit networks and data systems using wired and wireless networks as well as web services
  • Identify and download valuable data from target systems
  • Maintain access to compromised systems
  • Use social engineering to compromise the weakest part of the network—the end users
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Length: 510 pages
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Language : English
ISBN-13 : 9781787120235
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Offensive Security
Category :
Tools :

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Table of Contents

14 Chapters
Goal-Based Penetration Testing Chevron down icon Chevron up icon
Open Source Intelligence and Passive Reconnaissance Chevron down icon Chevron up icon
Active Reconnaissance of External and Internal Networks Chevron down icon Chevron up icon
Vulnerability Assessment Chevron down icon Chevron up icon
Physical Security and Social Engineering Chevron down icon Chevron up icon
Wireless Attacks Chevron down icon Chevron up icon
Reconnaissance and Exploitation of Web-Based Applications Chevron down icon Chevron up icon
Attacking Remote Access Chevron down icon Chevron up icon
Client-Side Exploitation Chevron down icon Chevron up icon
Bypassing Security Controls Chevron down icon Chevron up icon
Exploitation Chevron down icon Chevron up icon
Action on the Objective Chevron down icon Chevron up icon
Privilege Escalation Chevron down icon Chevron up icon
Command and Control Chevron down icon Chevron up icon

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David - Dec 11, 2017
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Good book with clear explanation and example
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Sandesh More Jan 14, 2019
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Great content... Excellent book
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Rob J Vargas Dec 28, 2017
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The manual has been easy to read and easy to follow. Seems extensive so far. This distro is updating almost constantly, but for the basics, a great manual.
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fantabulous!!
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Amazon Customer Dec 19, 2017
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Quality book, easy to read and informative, got it as a reference/field manual for OSCP; great addition to any pentesters book shelf!
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