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Mrrow?????

Challenge

A lonely little text file wants to play a game: /problems/owner.

Solution

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$ ls /problems/owner/
file.txt

$ cat /problems/owner/file.txt
Help! I was wandering unfamiliar lands when I was suddenly taken hostage!

Please tell me who's my owner, and what his group is!
easyctf{<owner>:<group>}

$ ls -la /problems/owner/file.txt
-rwxr-xr-x 1 leonidas sparta 165 Nov  4 01:04 /problems/owner/file.txt

Flag

easyctf{leonidas:sparta}