Post

interencdec

Can you get the real meaning from this file. Download the file here.

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Download the file. image-1616

The text in the file ends with =, which suggests Base64 padding. Use base64 -d to decode it.

image-1615

The result looks like Base64 again, so run base64 -d a second time.

image-1617

The result now resembled a flag, but it appeared to need Caesar cipher decryption.

Enter it into https://www.dcode.fr/caesar-cipher.

image-1618

to get the flag!

picoCTF{caesar_d3cr9pt3d_f0212758}


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