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Old decoder menu for deleting bytes

skosik | Last updated: Jan 19, 2022 07:30PM UTC

Hello, can I somehow get back the old decoder menu for deleting bytes? There is no such an option in the new one Old one: https://i.imgur.com/a1JDoS2.png New one: https://i.imgur.com/FujkpqR.png Thank you

Ben, PortSwigger Agent | Last updated: Jan 21, 2022 10:33AM UTC

Hi, I replied to your email about this yesterday but, to reiterate, we have slightly changed the way the deletion of bytes in the Hex view now works. You would need to manually select the number of bytes you wish to delete before then right-clicking and using the 'Delete selected bytes' context menu option. If you prefer the old way of doing things then you should be able to obtain the 2021.5.3 release from our releases page (https://portswigger.net/burp/releases).

Steve | Last updated: Apr 10, 2022 12:44PM UTC

Small update needed in documentation. I'm going through the web academy. Here is a few references to the old items. I was 'stuck' on this lesson knowing how many bytes to delete (i'm a tad rusty on bit, byte, bytes :)). https://portswigger.net/web-security/logic-flaws/examples/lab-logic-flaws-authentication-bypass-via-encryption-oracle https://portswigger.net/burp/documentation/desktop/functions/message-editor This is a rather confusing / yet challenging lesson in the Web Academy. This text helped me explain each two digit item in HEX view is a byte. "This view displays messages in raw form in a hexadecimal editor. It shows messages arranged into lines of 16 bytes, and displays the hex value of each byte. You can edit messages in the hex view, and any values that you insert can be given as characters or in two-digit hexadecimal form, from 00 through FF."

Ben, PortSwigger Agent | Last updated: Apr 11, 2022 12:56PM UTC

Hi Steve, I think you are right here - some of our documentation, especially the lab solution that you have linked to, probably needs to be updated in order to reflect that we have altered how bytes are now deleted within Burp. I will pass this onto the content team so that they are aware of this and can make the necessary changes.

Gaurav | Last updated: Jun 24, 2022 05:55PM UTC

Hi, there's still no update on this.

Ben, PortSwigger Agent | Last updated: Jun 27, 2022 10:25AM UTC

Hi Gaurav, The changes to the solution are still with our content team. They are hoping to update this as soon as possible but we will update this forum thread when this happens.

Ben, PortSwigger Agent | Last updated: Jul 15, 2022 08:01AM UTC

Hi all, Just to confirm that we have now changed the solution for this lab so that it does reference the current way of deleting bytes in the Decoder.

Michael | Last updated: Oct 13, 2022 10:09PM UTC

The solution is still not very clear. Step 9 is misleading. Following the current step 9 doesn't logically flow. You can still remove the number of bytes using the hex editor in Decoder. Just count 23 spaces and highlight as you are counting. Then right click and delete selected bytes. From there you can re-encode.

Ben, PortSwigger Agent | Last updated: Oct 14, 2022 01:14PM UTC