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lvl 18Wargame/HackerSchool FTZ 2019. 2. 13. 09:25
→ 힌트가 길어서 코드로 표현한다. [level18@ftz level18]$ cat hint#include #include #include #include void shellout(void);int main(){ char string[100]; int check; int x = 0; int count = 0; fd_set fds; printf("Enter your command: "); fflush(stdout); while(1) { if(count >= 100) printf("what are you trying to do?\n"); if(check == 0xdeadbeef) shellout(); else { FD_ZERO(&fds); FD_SET(STDIN_FILENO,&fds); if(select(F..