This process is shown in the GIF below:ĥ.Finally, press the “Forward” button to send the request. After pasting in the payload, we need to select it, then URL encode it with the Ctrl + U shortcut to make it safe to send. Submit the form – the request should be intercepted by the proxy.Ĥ.With the request captured in the proxy, we can now change the email field to be our very simple payload from above: alert("Succ3ssful XSS"). For example: as an email address, and “Test Attack” as a query. Let’s focus on simply bypassing the filter for now.įirst, make sure that your Burp Proxy is active and that the intercept is on.ģ.Now, enter some legitimate data into the support form. There are a variety of ways we could disable the script or just prevent it from loading in the first place. ![]() You should find that there is a client-side filter in place which prevents you from adding any special characters that aren’t allowed in email addresses:Ģ.Fortunately for us, client-side filters are absurdly easy to bypass. What is the typical severity of a Vulnerable JavaScript dependency?ġ.Try typing: alert("Succ3ssful XSS"), into the “Contact Email” field. Visit this in your browser (or use the “Response” section of the site map entry for that endpoint)Ģ.Look through the Issue Definitions list. Visit every page linked to from the homepage, then check your sitemap – one endpoint should stand out as being very unusual! See the difference between the amount of traffic getting caught by the proxy before and after limiting the scope Task13 Proxy Site Map and Issue Definitionsġ.Take a look around the site on – we will be using this a lot throughout the module. Task12 Proxy Scoping and TargetingĪdd to your scope and change the Proxy settings to only intercept traffic to in-scope targets. Using the in-built browser, make a request to and capture it in the proxy. If you are not using the AttackBox, configure Firefox (or your browser of choice) to accept the Portswigger CA certificate for TLS communication through the Burp Proxy. Try installing FoxyProxy standard and have a look at the pattern matching features Task10 Proxy Proxying HTTPS Request in browser -> In original session)Ģ. Note: The option is in a dropdown sub-menu. There is one particularly useful option that allows you to intercept and modify the response to your request. Task9 Proxy Connecting through the Proxy (FoxyProxy)ġ.Read through the options in the right-click menu. Note: Assume you are using Windows or Linux (i.e. Task8 Proxy Introduction to the Burp Proxyġ.Which button would we choose to send an intercepted request to the target in Burp Proxy?Ģ. In the next section, we will cover the Burp Proxy – a much more hands-on aspect of the room. Task7 Getting Started Optionsġ.Change the Burp Suite theme to dark modeĢ.In which Project options sub-tab can you find reference to a “Cookie jar”?ģ.In which User options sub-tab can you change the Burp Suite update behaviour?Ĥ.What is the name of the section within the User options “Misc” sub-tab which allows you to change the Burp Suite keybindings?ĥ.If we have uploaded Client-Side TLS certificates in the User options tab, can we override these on a per-project basis (Aye/Nay)?Ħ.There are many more configuration options available. Get comfortable navigating around the top menu bars. Make sure that you are comfortable with it before moving on Task6 Getting Started Navigation Open Burp Suite and have a look around the dashboard. If you have chosen not to use the AttackBox, make sure that you have a copy of Burp Suite installed before proceeding Task5 Getting Started The Dashboard Intruder Task4 Getting Started Installation Mobile Task3 Getting Started Features of Burp Communityġ.Which Burp Suite feature allows us to intercept requests between ourselves and the target?Ģ.Which Burp tool would we use if we wanted to bruteforce a login form? Task2 Getting Started What is Burp Suite?ġ.Which edition of Burp Suite will we be using in this module?Ģ.Which edition of Burp Suite runs on a server and provides constant scanning for target web apps?ģ.Burp Suite is frequently used when attacking web applications and _ applications.
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