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Jett's blog · Aug 8, 2022

Corctf 2022 Whack a Frog Writeup

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Problem Analysis Analyzing the pcap file, we shall see that there are a lot of /anticheat?x={x_coordinate}?y={y_coordinate} requests. Given the amount of coordinate data, it would make sense to plot these. Solution Required python modules: parse: The opposite of format, used as a convinent replacement of regex. numpy: Numerica processing matplotib: Plotting Data processing from parse import * with…

Problem Analysis Analyzing the pcap file, we shall see that there are a lot of /anticheat?x={x_coordinate}?y={y_coordinate} requests. Given the amount of coordinate data, it would make sense to plot these. Solution Required python modules: parse: The opposite of format, used as a convinent replacement of regex. numpy: Numerica processing matplotib: Plotting Data processing from parse import * with open('whacking-the-froggers.pcap', 'rb') as f: lines = f.readlines() valids = [] for l in lines: if b'anticheat' in l: valids.

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