Web Servers and Its Types of Attacks In Ethical Hacking

Web Server and Its Types of Attacks In Ethical Hacking

Introduction

This blog will discuss web servers and types of attacks in Ethical Hacking. Web servers serve as the home for websites. A web server is a device which runs an operating system and is linked to a database that houses multiple applications. An attack on the web server will result from any web, operating method, database, or application flaw. 

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Web Server Attacks types

DOS attack

An attacker may exploit a technical flaw in the application to launch a denial of service attack or send various service request packets that exceed the web server’s capacity to respond.

Website Defacement

Attacks using SQL injection are used to deface the website. An attacker can add SQL strings to create a malicious file query run by the web browser if he discovers that input fields are not properly sanitized. When the website is accessed, the database may contain illegal or unnecessary data that will display useless data, leading to the display of a ruined website.

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Directory Traversal

It is a flaw where an attacker can use the program to gain access beyond the web root directory. He might be able to run OS tasks, obtain sensitive data, or access is forbidden folders if he can get past the web root directory.

Misconfiguration attacks

Verbose/error information is not hidden if useless services are set or default configuration files are utilized. An attacker can always compromise the web server through various attacks, including password cracking, error-based SQL injection, command injection, etc.

Phishing Attack

The attacker can steal personal data by giving a fake website via email that appears to be an official website but actually takes the victim to a malicious website.

Numerous more web application assaults can result in a web server attack, including buffer overflow attacks, SQL injection, cookie tampering, and parameter form processing.

Methodology

Information Gathering

The target server’s information is derived from a variety of sources, including.

  • From websites
  • WHOIS information
  • Banner grabbing
  • Netcraft information
  • Port scanning with Nmap
  • Mirroring a website using HTtrack

Vulnerability Scanning

Some programs regularly scan a web server and the apps it hosts. The results on the target web server may show several risks and attacks that can later be actively or remotely used. Students can learn how to organize a network vulnerability check and component testing by taking a Hacking Course in Mumbai.

E.g. Acunetix, Nikto, Vega etc.

Password Attacks

  • Brute Forcing
  • Guessing/Default passwords
  • Dictionary Attacks

Countermeasures

  • Constantly patch and update web servers.
  • Use something other than the default setting.
  • Save the file system in a safe place.
  • Check the web server’s apps for any flaws.
  • Use firewall and IDS with up-to-date signatures.
  • Block any services and protocols that are not necessary.
  • Employ secure protocol.
  • Implement a firm access control policy and disable default accounts.
  • Install antivirus software and keep it updated.
  • Every OS and piece of software should be current and up to date.

Conclusion

So far, we have enhanced the web servers and types of attacks in Ethical Hacking. Acquiring Ethical hacking knowledge is helpful at all times. Make sure you fully understand the principles and apply them appropriately. It also offers a wide range of job opportunities and decent pay. You will undoubtedly have a lot of responsibility, but it is also true that this is a practical solution. Join the Best Ethical Hacking Training Institute in Pune to impart your understanding of hacking skills.

Also, Read SQL Injection in Ethical Hacking