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Burp Extender

Burp Extender lets you extend the functionality of Burp Suite in numerous ways.

Extensions can be written in Java, Python or Ruby.

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Websockets API support

Jonathon Feb 24, 2017 07:20PM UTC

I'm running into wss more as we see the shift towards single page, media rich applications. As such, I often find the need to implement custom deserialization of binary websockets messages. It would be helpful if I could write Burp extensions to view and modify wss traffic.

Any near-term plans for this?

Dafydd Stuttard Feb 27, 2017 10:19AM UTC Support Center agent

This isn’t in our near-term roadmap, sorry. We do plan to add API support for WebSockets at some point, but can’t currently offer an ETA for the feature.

Giacomo Milani Apr 18, 2017 08:02AM UTC
+1 for this feature request (WebSockets API for Burp Extensions). With the massive use of websocket in modern webapps it's becoming every day more import.

shadowsheep Jun 26, 2017 04:02PM UTC
+1 WebSockets are spreading out more and more.

Garth Sep 08, 2017 02:24AM UTC

Jonathon Oct 24, 2017 08:07PM UTC
I'm just checking in to see if you're any closer to adding API support for websockets. Other engineers in our group have been running into the same situation.

Pascal Schulz Mar 27, 2018 02:12PM UTC
Any news regarding this topic? I would have the same need.

Also, I am curious why simple functionality like copying all websocket messages out of the websockets history is not included in Burp, which was, I guess, one of the first things that worked for the HTTP history.

Paul Johnston Mar 27, 2018 02:55PM UTC Support Center agent

Hi Pascal,

Unfortunately there hasn’t been further progress. WebSockets pose some difficulty for us, as the whole of Burp is heavily based on the “request / response” model which fits HTTP well but doesn’t fit WebSockets.

You’re right, we could make some minor improvements, such as allowing copying. I guess small improvements like that have been on hold until we do the major work to support WebSockets properly.

I’ve linked your comment to the development story; repeated user requests do help justify allocating development resource.

Thanks for getting in touch.

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