shellcode_compile.c

shellcode_compile.c

#include <sys/mman.h>
#include <string.h>
#include <stdio.h>
//paste your shellcode in sc variable eg. /x00/x00
char sc[]="" ;
int main(){
      void * a = mmap(0, 4096, PROT_EXEC |PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED, -1, 0); 
      printf("allocated executable memory at: %p\n", a); 
      ((void (*)(void)) memcpy(a, sc, sizeof(sc)))();
}

//gcc -ggdb3 shellcode_compile.c -o test -m32