THM pwn101 challenge write up

TRYHACKME Pwn101 The Tryhackme room Pwn101. Modify variable’s value Discovery(The Tryhackme room) ┌──(root💀KALI2021)-[/mnt/work/tryhackme/pwn101/101] └─# ./pwn101.pwn101 ┌┬┐┬─┐┬ ┬┬ ┬┌─┐┌─┐┬┌─┌┬┐┌─┐ │ ├┬┘└┬┘├─┤├─┤│ ├┴┐│││├┤ ┴ ┴└─ ┴ ┴ ┴┴ ┴└─┘┴ ┴┴ ┴└─┘ pwn 101 Hello!, I am going to shopping. My mom told me to buy some ingredients. Ummm.. But I have low memory capacity, So I forgot most of them. Anyway, she is preparing Briyani for lunch, Can you help me to buy those items :D Type the required ingredients to make briyani: ZZZZZ Nah bruh, you lied me :( She did Tomato rice instead of briyani :/ Analysis ┌ int main (int argc, char **argv, char **envp); │ ; var uint32_t var_4h @ rbp-0x4 │ ; var char *str @ rbp-0x40 │ 0x0000088e push rbp │ 0x0000088f mov rbp, rsp │ 0x00000892 sub rsp, 0x40 │ 0x00000896 mov dword [var_4h], 0x539 │ 0x0000089d mov eax, 0 │ 0x000008a2 call sym.