LT 'syreal' Jones / Mubarak Mikail
Download the file and search for the flag based on the known prefix.
Attackers have hidden information in a very large mass of data in the past, maybe they are still doing it.
Download the data here.
The hint is very good. We can follow the hint and use the command cat anthem.flag.txt | grep pico which will print out all lines in the file that has "pico" in it. That gives the output we think that the men of picoCTF{gr3p_15_@w3s0m3_429334b2}"
picoCTF{gr3p_15_@w3s0m3_429334b2}