defcon20 bin200

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#include <stdio.h>   int main(int argc, char *argv[]) {     char fname[] = "c:\\mac.h";     char buf[1024] = {0};     FILE* fp;     int ret = 0;       fp = fopen(fname, "r");     if (fp < 0)     {         printf("fopen error\n");         return -1;     }     ret = fread(buf,1,991, fp);           printf("buf: %s\n\n", buf);       __asm{         xor ecx, ecx         mov edx, 1         lea eax, dword ptr buf         xor ebx, ebx         dec eax         dec ecx #if 1 badcob:         inc eax         inc ecx         mov bl, byte ptr ss:[eax]         not bl         mov byte ptr ss:[eax], bl         cmp ecx, 0x3df         jnz badcob      #endif     }                   printf("buf: %s\n", buf);     fclose(fp);     return 0; }