Enumerate All Loaded Modules

//http://waleedassar.blogspot.com - (@waleedassar)
//This code shows how to list all loaded (even those hidden) modules of a process.
#include "stdafx.h"
#include "windows.h"
#include "stdio.h"

#define MemorySectionName         0x2
#define MemoryBasicVlmInformation 0x3
struct UNICODE_S
{
    unsigned short len;
    unsigned short man_len;
    wchar_t* pStr;
};
struct MEMORY_BASIC_VLM_INFORMATION
{
    unsigned long ImageBase;
    unsigned long blah[0x2];
    unsigned long SizeOfImage;
};
extern "C"
{
    int __stdcall ZwQueryVirtualMemory(HANDLE,void*,int,void*,int,unsigned long*);
}
int main(int argc, char* argv[])
{
    SYSTEM_INFO SI={0};
    GetSystemInfo(&SI);
    unsigned long min_addr=(unsigned long)(SI.lpMinimumApplicationAddress);
    unsigned long max_addr=(unsigned long)(SI.lpMaximumApplicationAddress);
    UNICODE_S* p=(UNICODE_S*)LocalAlloc(LMEM_ZEROINIT,0x1000);  //allocate one page, to receive image file name
    for(unsigned long i=min_addr;i<=max_addr;i+=(SI.dwPageSize))
    {
        MEMORY_BASIC_INFORMATION MBI={0};
        if(VirtualQuery((void*)i,&MBI,sizeof(MBI)))
        {
             if(MBI.Type==MEM_IMAGE)
             {
                 ZwQueryVirtualMemory(GetCurrentProcess(),(void*)i,MemorySectionName,p,0x1000,0);
                 wprintf(L"Module: %s\r\n",p->pStr);

                 unsigned long out=0;
                 MEMORY_BASIC_VLM_INFORMATION MBVI={0};
                 ZwQueryVirtualMemory(GetCurrentProcess(),(void*)i,MemoryBasicVlmInformation,&MBVI,sizeof(MBVI),&out);
                 unsigned long IB=MBVI.ImageBase;
                 wprintf(L"  at:%X",IB);
                 unsigned long szImage=MBVI.SizeOfImage;
                 wprintf(L"  size:%X\r\n",szImage);
                 i+=szImage;
             }
        }
    }
    return 0;
}