The numbers - PicoCTF

December 22, 2021•53 words

Open the file, it contains a long list of numbers. These are very low in value, so it is clearly not ASCII. Actually, these are so low that they might just be references to the letters' positions in the alphabet. Turns out, this is all there is to this challenge. Easy peasy ;)

👍❤️🫶👏👌🤯🤔😂😍😭😢😡😮

Subscribe to the author

You'll only receive email when they publish something new.

More from emacab98
All posts

Glory of the garden - PicoCTF

December 22, 2021•67 words

The file you download contains a string that gives you the flag. It should have been my first attempt, but it was actually my fourth:opened the picture with eog to look at it, pointless;used exiftool to inspect metadata, pointless;used steghide to extract hidden data using a blank password and the passwords "garden" and "glorious", still pointless;ran strings on the file, success! ...

Read post

speeds and feeds - PicoCTF

December 26, 2021•96 words

Once you connect to the given address, you get a very long list of strings that make no sense. I tried to look at them to find some sort of pattern, but nothing caught the eye, so I copied one of the lines and pasted it into the search bar. Google suggests this might be something called G-code. Turns out, it is a programming language for machines and you can find online interpreters to plot the code you have been given, which will show you the flag. The interpreter I used is at https://ncviewer....

Read post

The numbers - PicoCTF

More from emacab98All posts

Glory of the garden - PicoCTF

speeds and feeds - PicoCTF

More from emacab98
All posts