[https://github.com/hhassen/writeup_deadface_2021](https://github.com/hhassen/writeup_deadface_2021)
First, I have tried `strings` on that file. Nothing special was found.So, I used `ltrace` to find the `strcmp` function. ```ltrace ./demon```
![ltrace](https://raw.githubusercontent.com/hhassen/writeup_deadface_2021/main/images/ltrace.png)