This is from the UTCTF2021 CTF
Challenge Author: Aya Abdelgawad
For this challenge, we are given what appears to be an emoji cipher:
After trying several emoji cipher decoders online without success, I looked a little harder at the emojis.
Knowing that the flag format starts with “utflag” and seeing what the names of the emojis are “Umbrella, Turkey, Fire, Lion, Apple, Guitar…” The first letters of the names are spelling out the flag. Going throught the full list of emojis, I get: