hacker.org

Loved this challenge! It took me few days until I understood the odd existence of the PLTE chunk. From then on, it was quite intuitive what to do. And of course, as everyone here, I made the off by one error with GIMP

Here are my steps to solve this challenge:

1) ffmpeg -ss 00:00:00 -t 00:00:16.56 -i a.mp4 -r 25.0 yoga%3d.jpg
2) for i in $(ls *.jpg); do gm convert $i -crop 40x70+0+0 $i; done;
3) split in 8 columns in explorer and read ascii

Wow, I was puzzled on how to extract the png's, but I managed to solve it after finding pngcheck from another challenge (and the funny thing is, I haven't solved that one yet ). Anyway, I haven't heard about wireshark - it definitely sounds promising.

Python anyone? :wink: import requests base_url = "http://www.hacker.org/challenge/misc/maze.php?steps=" def dfs(cur): r = requests.get(base_url + cur); print cur if r.content.find('boom') >= 0: return elif r.content.find('keep moving') >= 0: dfs(cur + 'L') dfs(cur + 'R') dfs(cur + 'D') dfs...

Wow, I felt really lucky while solving this

This was way harder than expected though my solution is a bit of an overkill. Yet a good question is why does it have more than 2,500 solvers. I solved it by writing a C++ program which searches every possibility for the last word in an dictionary and submits the good ones on the site. Of course, I ...