NahamConCTF – Time Keeper

Oregon State University Security Club

NahamConCTF – Time Keeper

50 points

Prompt

There is some interesting stuff on this website. Or at least, I thought there was…

Connect here: https://apporima.com/

Note, this flag is not in the usual format.

Solution

After scoping out that site, the title and description heavily hint towards use of the Wayback Machine. Over there we head, then.

First, I noted that there were only two captures, so I figured it would be worth it to compare them. In doing so, I came upon this:

Image

It clearly indicates that we need to browse to apporima.com/flag.txt but in current times, that page does not exist. What else to do but browse it in the Wayback Machine? It gives us this page.

JCTF{the_wayback_machine}

~ Lyell

 

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