[HackCTF] Basic_BOF #1
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WriteUp/HackCTF
CANARY가 Disabled 되어있다. NX는 Enabled 되어 있어 쉘코드의 실행은 불가능해보인다. Dump of assembler code for function main: 0x080484cb : lea ecx,[esp+0x4] 0x080484cf : and esp,0xfffffff0 0x080484d2 : push DWORD PTR [ecx-0x4] 0x080484d5 : push ebp 0x080484d6 : mov ebp,esp 0x080484d8 : push ecx 0x080484d9 : sub esp,0x34 0x080484dc : mov DWORD PTR [ebp-0xc],0x4030201 0x080484e3 : mov eax,ds:0x804a040 0x080484e8 : sub esp..