The above code uses JavaScript. It adds a hyperlink with an onclick event. Note : the value you get may be different from the one in this webpage hacking tutorial, but the concept is the same. Skip to content. Guru99 is Sponsored by Netsparker. Netsparker, the developers of Proof Based Scanning technology, have sponsored the Guru99 project to help raise web application security awareness and allow more developers to learn about writing secure code.
Visit the Netsparker Website. Report a Bug. Previous Prev. Next Continue. Home Testing Expand child menu Expand. You'll want to test to see if the system filters out code. Create and upload your cookie catcher. The goal of this attack is to capture a user's cookies, which allows you access to their account for websites with vulnerable logins.
You'll need a cookie catcher, which will capture your target's cookies and reroute them. Upload the catcher to a website you have access to and that supports PHP and is vulnerable to remote code execution via upload. An example cookie catcher code can be found in the sample section. Post with your cookie catcher. Input a proper code into the post which will capture the cookies and sent them to your site. You will want to put in some text after the code to reduce suspicion and keep your post from being deleted.
Use the collected cookies. After this, you can use the cookie information, which should be saved to your website, for whatever purpose you need. Method 2. Find a vulnerable site. You will need to find a site that is vulnerable, due to an easily accessible admin login. Try searching on your favorite search engine for admin login. Login as an admin. Type admin as the username and use one of a number of different strings as the password. Be patient.
This is probably going to require a little trial and error. Access the website. Eventually, you should be able to find a string that allows you admin access to a website, assuming the website is vulnerable to attack.
Then, logged in as an administrator, you can perform further actions, such as uploading a web shell to gain server-side access if you can perform a file upload. Method 3. Learn a programming language or two. If you want to really learn how to hack websites, you'll need to understand how computers and other technologies work. Learn to use programming languages like Python, PHP necessary for exploiting server-side vulnerabilities or SQL, so that you can gain better control of computers and identify vulnerabilities in systems.
Have basic HTML literacy. You will also need to have a really good understanding of HTML and JavaScript if you want to hack websites in particular. This can take time to learn but there are lots of free ways to learn on the internet, so you will certainly have the opportunity if you want to take it.
Consult with whitehats. Whitehats are hackers who use their powers for good, exposing security vulnerabilities and making the internet a better place for everyone. If you're wanting to learn to hack and use your powers for good or if you want to help protect your own website, you might want to contact some current whitehats for advice.
Research hacking. If you're wanting to learn to hack or if you just want to protect yourself, you'll need to do a lot of research. There are so many different ways that websites can be vulnerable and the list is ever-changing, so you will need to be constantly learning. Keep up to date.
Because the list of possible hacks is ever-changing, and new vulnerabilites are discovered, you'll need to be sure you keep up to date. Support wikiHow and unlock all samples. Every time you access a page, it makes a log file that contains your information.
This includes your IP, which can later be traced back to you by authorities if they have the legal right to do so. Not Helpful Helpful You don't literally change the script; you copy it to a text editor, then open it as an HTML file.
This will open the website through the script that you saved in your computer. Hacking a website account is illegal unless you are hacking your own account.
Not Helpful 76 Helpful The kinds of hacking that are illegal are depending on your specific jurisdiction are "theft of services" or "unauthorized access to a computer system" or "fraud. Apart from that, there aren't very many situations where it would be legal to hack.
Not Helpful 86 Helpful First off, find the Javascript code you want to delete, highlight it, and right-click it. Not Helpful 37 Helpful Yes, you can but you could get in serious trouble and even get arrested. Not Helpful 33 Helpful Yes, this is hacking. Anything that involves getting around a login or other security to gain access to something is hacking. It may not be the more dramatic, dangerous type of hacking that the media and general public tend to use the term for, but among programmers, it is considered hacking.
There are much more innocent activities that fall under the umbrella of hacking, too. Not Helpful 20 Helpful That being said, most of the websites are highly secured, so only advance level hackers can do this. Not Helpful 2 Helpful If you want to learn a certain coding language, search for it on Google.
There are websites to help you learn. Not Helpful 6 Helpful Include your email address to get a message when this question is answered. Learning HTML will give you a small advantage when reviewing your selected website's source code. Helpful 0 Not Helpful 0. Login forms are one thing. Try looking for forms, comments, or anything else that lets you input text. Helpful 14 Not Helpful 4. You Might Also Like How to. How to. About This Article. Written by:. Nicole Levine, MFA. Co-authors: Updated: December 13, Categories: Hacks.
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