[hackctf] Unexploitable #1
문제 소스 int __cdecl main(int argc, const char **argv, const char **envp) { char s; // [rsp+0h] [rbp-10h] setvbuf(stdout, 0LL, 2, 0LL); setvbuf(stdin, 0LL, 2, 0LL); fwrite("Easy RTL ha? You even have system@plt!\n", 1uLL, 0x27uLL, stdout); fflush(stdin); fgets(&s, 64, stdin); return 0; } 보호기법 gdb-peda$ checksec CANARY : disabled FORTIFY : disabled NX : ENABLED PIE : disabled RELRO : Partial 문제 분석 및..