RingZero – Cryptography – Some Martian Message Objective: SYNTPrfneVfPbbyOhgAbgFrpher Solution: Looks like a casear cipher let’s try ROT13 using tr @kali:~$ echo 'SYNTPrfneVfPbbyOhgAbgFrpher' | tr 'A-Za-z' 'N-ZA-Mn-za-m' FLAGCesarIsCoolButNotSecure
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