#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

int main()
{
    // Attempt to open the Cuckoo named pipe
    int fd = open("\\\\.\\pipe\\cuckoo", O_RDONLY);
    if (fd >= 0) {
        // The named pipe exists, so we are running on a virtual machine
        printf("We are running on a virtual machine.\n");
        close(fd);
    } else {
        // The named pipe does not exist, so we are running on a physical machine
        printf("We are running on a physical machine.\n");
    }

    return 0;
}