Rating:

### Summary
1. Using fsb, leak pie_base and libc_base and stack_addr
2. malloc_hook → gets
3. gets(stack)
4. rop

Original writeup (https://blog.jsec.xyz/ctf-write-up/2021/03/22/Securinets-CTF-2021-pwn-write-up.html#kill-shot-810pts-24solves).