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DllLoaderLoader.cpp

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#define WIN32_LEAN_AND_MEAN

#ifndef _CRT_SECURE_NO_WARNINGS

#define _CRT_SECURE_NO_WARNINGS

#endif

#include <assert.h>

#include <windows.h>

#include <tchar.h>

#include <stdio.h>

#include <malloc.h>

#include "../../MemoryModule.h"

#define EXE_FILE TEXT("DllLoader.exe")

int RunFromMemory(void)

{

FILE *fp;

unsigned char *data=NULL;

long size;

size_t read;

HMEMORYMODULE handle;

int result = -1;

fp = _tfopen(EXE_FILE, _T("rb"));

if (fp == NULL)

{

_tprintf(_T("Can't open executable \"%s\"."), EXE_FILE);

goto exit;

}

fseek(fp, 0, SEEK_END);

size = ftell(fp);

assert(size >= 0);

data = (unsigned char *)malloc(size);

assert(data != NULL);

fseek(fp, 0, SEEK_SET);

read = fread(data, 1, size, fp);

assert(read == static_cast<size_t>(size));

fclose(fp);

handle = MemoryLoadLibrary(data, size);

if (handle == NULL)

{

_tprintf(_T("Can't load library from memory.\n"));

goto exit;

}

result = MemoryCallEntryPoint(handle);

if (result < 0) {

_tprintf(_T("Could not execute entry point: %d\n"), result);

}

MemoryFreeLibrary(handle);

exit:

free(data);

return result;

}

int main()

{

return RunFromMemory();

}