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Edit Request in interceptor using burp extender

Krish | Last updated: Dec 09, 2016 08:43PM UTC

Hi Is it possible to use burp extender to write a custom tool which will modify a certain paramter , every time this parameter is present in this request ?

PortSwigger Agent | Last updated: Dec 12, 2016 09:56AM UTC

Yes, you can do this easily. Your extension can register an IHttpListener, which will be called for every HTTP request and response processed by Burp. You can then use some helper methods to manipulate certain parameters in requests. See more details below: https://portswigger.net/burp/extender/api/burp/IBurpExtenderCallbacks.html#registerHttpListener(burp.IHttpListener) https://portswigger.net/burp/extender/api/burp/IExtensionHelpers.html#updateParameter(byte[],%20burp.IParameter)

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