lv2 VS CyberChef

The LV2 audio plugin standard[0], and related stuff like the Atom format[1] used to feed arbitrary data between plugins in realtime.

[0] https://lv2plug.in/

Not all VSTs will work on Linux (just as not all VSTs work on Mac). Many open-source plugins are in the open LV2 format instead.

LV2 homepage

This is extremely cool. Many years ago I started and abandoned a similar kind of thing. The plan was to have support for LV2[1] plugins, so you'd get something like a Mod Duo[2] (itself very cool), but like this in that'd boot fast and have super low latency.

[1] https://lv2plug.in/

[2] https://moddevices.com/products/mod-duo/

Nice though nothing about Turtle or LV2

https://www.w3.org/2007/02/turtle/primer/

https://github.com/lv2/lv2/wiki

Folk can check out https://github.com/lv2/lv2/wiki for more info

https://github.com/lv2/lv2/wiki for more into LV2 itself

Then we take the encrypted text and use CyberChef to decrypt it.

Let's go to CyberChef and insert our pieces of evidence.

A parameter was changed from '2AMBCgIQBg' to 'CgIIAdgDAQ%3D%3D' which is just the correct base64 encoding they should have been using the entire time.

I don't think this was a hostile action by Google, I think someone just added better input validation for security reasons and it accidently broke the bad requests they were sending.

https://gchq.github.io/CyberChef/#recipe=URL_Decode()From_Ba...

❗This is indeed the flag, but the text is encrypted with Base64. Usually, the presence of padding character "=" indicates that's Base64 type of encoding (but that's only one of the hints). To decrypt it, we can use CyberChef. Copy-paste the text and we either:

It uses a combination of magic bytes (like the `file` command), entropy analysis and character frequency detection to determine whether an output is likely to be of interest to the user.

The file type mechanism is written here[0]. There's a list of all signatures we detect here[1].

[0] https://github.com/gchq/CyberChef/blob/master/src/core/lib/F...

I think this can be deciphered using CyberChef...