Ciphey VS CyberChef

I also discovered Ciphey. Neat little tool indeed, but it's being deprecated. It's mentioned in this issue[1] and being replaced with Ares[2]. Neither could decipher this strange encryption[3] I used it on :(

[1] https://github.com/Ciphey/Ciphey/issues/764

[2] https://github.com/bee-san/Ares

[3] "dEFLWWFKQWxRQW16RnkvbTZML0lsdz09" original text is "hacker"

Check Ciphey, I have used several times before and overall it’s great. https://github.com/Ciphey/Ciphey

It can help you detect various encryption and encodings and even decrypt them. Ciphey

I followed the steps here . I am running Python 3.10 (64). When I try to install Ciphey using the instructions, on my cmd prompt I get the following:

repo: https://github.com/Ciphey/Ciphey

if you're looking for something that would decrypt most well-known encodings/ciphers, there's ciphey. but no such thing exists to decrypt every known file type because, if it did, everyone would be using it.

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...