1.1 Trouver l'adresse d'une variable d'environnement (Unix)

 // getenvaddress.c
 // thanks Niklos !!
 // usage: inject 'NOMDELAVARIABLEDENVIRONNEMENT'
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

 int main(int argc, char **argv) 
 {
   char *ptr;
   ptr = getenv(argv[1]);

   if( ptr == NULL )
     printf("%s not found\n", argv[1]);
   else 
     printf("%s found at %08x\n", argv[1], (unsigned int)ptr);

   return 0;
 }