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PrometeoCTF 23

(I do not remember the names of some of the challenges ,hence I’ve added my own names ;| )

Challenge #1 - Based

The First Challenge was pretty easy converting the given text into base 64 gave me the flag

prometeoCTF{TToRS3TROD31SFUN}

Challenge #2 - Tuk Tuk … Tuuuuk

I had to download a .wav files it had a lot of beeps and pauses hence used a morse code decoder to get the message

prometeoCTF{m0rs3_cod3_1s_fun}

Challenge #3 - Basic but cool

This challenge was pretty interesting

This was the P.S

      Are you smart enough to decipher this? Think thrice before you do it

      L2IvraWapzWDE1A7Z19GAUOaZTIsATuaqI95raZ0ZU0=

Gave me the idea of it being base64 tried to convert it into base64 but it resulted in a junk val Tried to use caesar cipher with base64

[M2JwsbXbqaXEF1B7A19HBVPbAUJtBUvbrJ95sbA0AV0=, N2KxtcYcrbYFG1C7B19ICWQcBVKuCVwcsK95tcB0BW0=, O2LyudZdscZGH1D7C19JDXRdCWLvDWxdtL95udC0CX0=, P2MzveAetdAHI1E7D19KEYSeDXMwEXyeuM95veD0DY0=, Q2NawfBfueBIJ1F7E19LFZTfEYNxFYzfvN95wfE0EZ0=, R2ObxgCgvfCJK1G7F19MGAUgFZOyGZagwO95xgF0FA0=, S2PcyhDhwgDKL1H7G19NHBVhGAPzHAbhxP95yhG0GB0=, T2QdziEixhELM1I7H19OICWiHBQaIBciyQ95ziH0HC0=, U2ReajFjyiFMN1J7I19PJDXjICRbJCdjzR95ajI0ID0=, V2SfbkGkzjGNO1K7J19QKEYkJDScKDekaS95bkJ0JE0=, W2TgclHlakHOP1L7K19RLFZlKETdLEflbT95clK0KF0=, X2UhdmImblIPQ1M7L19SMGAmLFUeMFgmcU95dmL0LG0=, Y2VienJncmJQR1N7M19TNHBnMGVfNGhndV95enM0MH0=, Z2WjfoKodnKRS1O7N19UOICoNHWgOHioeW95foN0NI0=, A2XkgpLpeoLST1P7O19VPJDpOIXhPIjpfX95gpO0OJ0=, B2YlhqMqfpMTU1Q7P19WQKEqPJYiQJkqgY95hqP0PK0=, C2ZmirNrgqNUV1R7Q19XRLFrQKZjRKlrhZ95irQ0QL0=, D2AnjsOshrOVW1S7R19YSMGsRLAkSLmsiA95jsR0RM0=, E2BoktPtisPWX1T7S19ZTNHtSMBlTMntjB95ktS0SN0=, F2CpluQujtQXY1U7T19AUOIuTNCmUNoukC95luT0TO0=, G2DqmvRvkuRYZ1V7U19BVPJvUODnVOpvlD95mvU0UP0=, H2ErnwSwlvSZA1W7V19CWQKwVPEoWPqwmE95nwV0VQ0=, I2FsoxTxmwTAB1X7W19DXRLxWQFpXQrxnF95oxW0WR0=, J2GtpyUynxUBC1Y7X19EYSMyXRGqYRsyoG95pyX0XS0=, K2HuqzVzoyVCD1Z7Y19FZTNzYSHrZStzpH95qzY0YT0=]

tried converting it with a simple .py script but no luck

Finally used cyberchef to decrypt using the following receipe

(N-ZA-Mn-za-m0-9+/=)

PrometeoCTF{3_F4ct0r_4uth_lmf40}

Overall this CTF was fun… We got to 17th position