Another day, another challenge.
Today’s blog post is solving the, “Meta Find Me” challenge within PicoCTF.
Let’s get started.
Clicking on the challenge we see:
OK, we need to find meta data inside of an image. Let’s see what the hints give us.
We need to answer the question of how location is stored in imaged. Look like Google will once again be our friend 🙂
After downloading the image, and doing a Google search of, “GPS info on photos” we’re presented with the following link.
Reading the link (which is from How-To-Geek) we learn that if we look at the properties of a image it will give the GPS coordinates.
OK, that’s a start.
While continuing reading the article we notice that with these type of images there’s an embedded EXIF data in the image.
Let’s try a Google search of “EXIF GPS decrypter” and see if we can view the embedded EXIF data for our image.
Doing that Google search we’re presented with the following link.
Going to that link, and uploading our image and click the “view EXIF” button we’re presented with the following:
Looking at the comment we see that part of the flag is present, we need to find the latitude and longitude. Luckily that’s presented above the comment.
Entering the flag we’ve acquired 70 points!
8 thoughts on “PicoCTF 2017 – Meta Find Me #appsec #infosec”
You really make it appear so easy together with your presentation but I to find this topic to be really one thing that I think I might by no means understand. It kind of feels too complicated and extremely huge for me. I am looking ahead for your subsequent put up, I will try to get the dangle of it!
What exactly are you stuck on? Maybe I can write a post that helps to solve that issue.
Thanks for reading and your comment!
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I’ve had this blog since 2012. I have been consistent for about a year now. Thanks for the feedback! Trust it’s not easy.
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I am not too sure what you’re saying. I just tested the links in the blog post, and it works. Can you elaborate?
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I am glad the post was able to help you Lakeisha!
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