Binary Exploitation

Beginner pwn: First challenge #include <stdio.h> #include <stdlib.h> #include <string.h> int main() { char command[110] = "cowsay \""; char message[100]; printf("Give me a message to say!\n"); fflush(stdout); fgets(message, 0x100, stdin); strncat(command, message, 98); strncat(command, "\"", 2); system(command); It has been a while since I have done any CTFs! So I struggled a little bit looking at the code and what they do. When I pass 109 A’s, it still runs the cowsay bin. When you pass in 113 A’s, the output starts to show a single ‘A’: ...