Yes, it's been there on the homepage all this time. https://ctf.uwaterloo.ca/arrow-up-right
Yes, it's been there on the homepage all this time.
https://ctf.uwaterloo.ca/arrow-up-right
From the title "steg" I automatically think of steganography
Steganography - Method of hiding information within seemingly ordinary mediums, such as images, to avoid detection
We go to the website and play around, inspecting elements for potential hidden flags. Eventually, something catches my eye:
This houses all the code for the UW CTF website. We can see a very telling commit name
"Chall"? "Background"? Oho!
Checking out the commit, we can see an image file change
There must be something very peculiar about the new image 🤔
I would use Photoshop if I had it. Unfortunately, the only image software I know how to use is MS Paint. Instead, let's try some online websites
One of the images produced shows the flag, albeit very hard to read
uwctf{stegfrthistime_9b0a89e16a81af67}
Last updated 3 years ago
