rgbCTF-2020

CTF Writeup - https://ctf.rgbsec.xyz/

Home Other writeups of rgbCTF-2020
14 July 2020

Shakespeare Play Lost and found

by anishbadhri

Did you know RGBsec was founded in the 16th century? Our top notch team of RGBsec archaeologists has uncovered this ancient manuscript to prove it. There also were some numbers inscribed beside this manuscript, they might help you. Unfortunately, flag formats hadn’t been invented yet, so you will need to enclose the flag in the flag format.

Files:

Solution

On careful observation, it is seen that the numbers in the text file are pairs of (line number, column number), both of which are 0-based. Printing the corresponding characters at each position returns the flag.

Solution

Flag

rgbCTF{itsanrgbtreeeeeee!}
tags: Cryptography