: Sometimes flags are hidden in the archive's header or in the "comment" section of the RAR file.
Which (e.g., HackTheBox, TryHackMe, PicoCTF) is this from?
: Use unrar l MCDoof_07.rar to see filenames and timestamps without extracting. Look for hidden files or suspicious extensions (e.g., .exe , .lnk , .vbs ).