CTF – [√-1 +1]CTF Server – Meta

Challenge

Solution

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The challenge is called meta. So, looked at the meta and found artist has a string

VjIweE5HRkdiM3BrU0ZKT1RURkZkMWRyVWxOTlJUVkhUMGhvYWsxVWJEWlVWVmsxWkVVd2VsVlVRbTFWVkRBNQ==

Run it through a base 64 decoder https://www.base64decode.org/

Got a string back -> V20xNGFGb3pkSFJOTTFFd1drUlNNRTVHT0hoak1UbDZUVVk1ZEUwelVUQm1VVDA5

Here I got stuck for a while and somebody told me try again. So I did

I put the next string into the decoder

I got Wm14aFozdHRNM1EwWkRSME5GOHhjMTl6TUY5dE0zUTBmUT09

Now I put this in the decoder

I got this ZmxhZ3ttM3Q0ZDR0NF8xc19zMF9tM3Q0fQ==

I put this in the decoder

flag{m3t4d4t4_1s_s0_m3t4}

and now I have the flag

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