# Cheese This
![](CheeseThis.png)
Data rot usually is a problem with images. When opening an image with any program the filetype should get detected by the first few bytes of the image.Opening this however just showed the following:![](branzaV1.png)
Having a look at the hex of the aleged image we found that the first few bytes went missing (yellow highlighted) and that the image is in fact a png (green highlighted)![](branzaV2.png)
Replacing those emty bytes with correct ones![](branzaV3.png)
revealed this image:
With a litte trial and error we managed to get the flag correctly:
### Flag: `X-MAS{You_are_g00d_w1th_gu3551ng}`