## esoF*ck 2We have a file linked to the challenge : 
[eso-file](https://traboda-arena-69.s3.amazonaws.com/files/attachments/msg_7fbd69ad-7013-4d5c-9621-9b9466fe6533.txt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIA6GUFVMV6HO3NYL6Z%2F20230407%2Fap-south-1%2Fs3%2Faws4_request&X-Amz-Date=20230407T174004Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=0ea123becbc0ac47cd7b30f90304b0a5d3d82639809e600f7975c6614b4091af)
It seems to be brainfuck, so we can go on https://copy.sh/brainfuck/ and we paste the fileWe optain this output : ```  Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook. Ook.
Ook. Ook. ... (truncated)```It seems to be another esoteric langage, so we search for it and we can find it's the ook langage. We go on https://www.dcode.fr/ook-language and we paste the text and we optain :
grepCTF{3sot3r1c_l4ngu4g3s_4r3_0k!}