Prompt: A super secure message has been sent by the government, but they forgot to tell everyone how to decode it. You overheard the Secret Service talking about a unique message within lines of junk text... Flag is in the format utflag{_______}
Solution:
- Use the "cat" command to print out the message file
- Use the "sort" command to sort everything in alphabetical order
- Use the "uniq -u" command to only extract the line that is unique (the message)
- Combine steps 1-3 by piping the commands: cat message.txt | sort | uniq -u
- Decode the Base 64 encoded message to get the flag
Answer: utflag{5tay_h0m3_2020}