Firefox is one the most secured web browser in the world. Have you ever dreamed of that we can use Firefox to Hack like a pro? Firefox like other browsers has a feature called add-ons.  Add-ons adds an additional functionality to your Firefox browser. There are thousands of Firefox add-ons available. But If you want to know which add-ons are using hackers. Here we are listing top firefox add-ons that are hackers must have add-ons. All these add-ons are available for free and you can download from the Mozilla add-on website.

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10 Firefox Add-ons a Hacker Must Have and use

1. Hackbar

Hackbar is a simple penetration tool for Firefox. It helps in testing simple SQL injection and XSS holes. You cannot execute standard exploits but you can easily use it to test whether vulnerability exists or not. You can also manually submit form data with GET or POST requests. It also has encryption and encoding tools. Most of the times, this tool helps in testing XSS vulnerability with encoded XSS payloads. It also supports keyboard shortcuts to perform various tasks.I am sure, most of the persons in the security field already know about this tool. This tool is mostly used in finding POST XSS vulnerabilities because it can send POST data manually to any page you like. With the ability of manually sending POST form data, you can easily bypass client side validations of the page. If your payload is being encoded at client side, you can use an encoding tool to encode your payload and then perform the attack. If the application is vulnerable to the XSS, I am sure you will find the vulnerability with the help of the Hackbar add-on on Firefox browser.

2. Firebug

Firebug is a nice add-on that integrates a web development tool inside the browser. With this tool, you can edit and debug HTML, CSS and JavaScript live in any webpage to see the effect of changes. It helps in analyzing JS files to find XSS vulnerabilities. It’s an really helpful add-on in finding DOM based XSS for security testing professionals. We Installed Firefox browser in my system only to use Firebug Add-on.

3. Cookies Manager +

Cookie Manager is one of the greatest tool ever made. Using this tool you can actually play with cookies. You can alter almost all cookie using this tool. You can use Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

4. NoScript

No Script add-ons greatness is beyond imagination. With this tool you can monitor each an every script running on website, you can block any of scripts and see what actually that scripts does on website. But this add-on is for experts, newbies will face problems using this. Note: If you are testing XSS, HTTPS header modifications, Injection attacks on any website you need to disable this plugin because it will not allow you to do so.

5. Grease Monkey

Grease Monkey is an counter part of No Script, its actually behaves opposite of Noscript. We use Noscript to block the scripts and use GreaseMonkey to run the scripts. It allows you to customize the way a web page displays or behaves, by using small bits of JavaScript.

6. Tamper Data

Tamper data is an great tool to to view and modify HTTP/HTTPS headers and post parameters. We can alter each request going from our machine to destination host with this. Thus it helps in security testing web application by modifying POST parameters. It can be used in performing XSS and SQL Injection attacks by modifying header data.

7. SQL Inject Me

SQL Inject Me is another nice Firefox add-on used to find SQL injection vulnerabilities in web applications. This tool does not exploit the vulnerability but display that it exists. SQL injection is one of the most harmful web application vulnerabilities, it can allow attackers to view, modify, edit, add or delete records in a database.The tool sends escape strings through form fields, and tries to search database error messages. If it finds a database error message, it marks the page as vulnerable. Hackers can use this tool for SQL injection testing.

8. User Agent Switcher

User Agent Switcher add-on; adds a one click user agent switch to the browser. It adds a menu and tool bar button in the browser. Whenever you want to switch the user agent, use the browser button. User Agent add on helps in spoofing the browser while performing some attack.

9. CryptoFox

CryptoFox is an encryption or decryption tool for Mozilla Firefox. It supports most of the available encryption algorithm. So, you can easily encrypt or decrypt data with supported encryption algorithm. This add-on comes with dictionary attack support, to crack MD5 cracking passwords. Although, it hasn’t have good reviews, it works satisfactorily.

10. Passive Recon

Last but not the least. Passive recon is a good information gathering tool. PassiveRecon provides information security professionals with the ability to perform “packetless” discovery of target resources utilizing publicly available information. It gathers information like DnsStuff tool available on backtrack.

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