Burp Suite User Forum

Burp match and replace

pentest | Last updated: Jun 07, 2018 12:57PM UTC

Hi I have burps match and replace enabled but it its not replacing, heres what I have done goto proxy tab > then options > enabled item request header > insert blind xss (begins User-Agent: *****some payload here**** set proxy settings in browser > browse site > but user agent is not changing it should say > auto-modified request latest burp commnuity on kali linux 2018.2

Liam, PortSwigger Agent | Last updated: Jun 07, 2018 01:29PM UTC

Just to clarify, have you created a custom match and replace rule? The match column is sensitive to errors, you could try using User-Agent:.* and the "Regex match" function. If you're still having issues, please could you forward a screenshot of your rule and the request and response to support@portswigger.net.

Burp User | Last updated: Jun 09, 2018 09:50AM UTC

yes thanks this seems to of resolved it > User-Agent:.* <I was using the default ^User-Agent.*$ I will report back if the issue reappears, it might be well worth changing for the next burp update if possible? Thanks

Burp User | Last updated: Jun 09, 2018 10:47AM UTC

It worked briefly and now not working again, this is most frustrating I will send the screens over now

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