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64 lines (53 loc) · 1.24 KB
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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();
}