private void LoadExports(LOADED_IMAGE loadedImage)
{
var hMod = (void *)loadedImage.MappedAddress;
if (hMod != null)
{
Log("Got handle");
uint size;
var pExportDir = (IMAGE_EXPORT_DIRECTORY *)ImageDirectoryEntryToData(
(void *)loadedImage.MappedAddress,
false,
IMAGE_DIRECTORY_ENTRY_EXPORT,
out size);
if (pExportDir != null)
{
Log("Got Image Export Descriptor");
var pFuncNames = (uint *)RvaToVa(loadedImage, pExportDir->AddressOfNames);
for (uint i = 0; i < pExportDir->NumberOfNames; i++)
{
uint funcNameRva = pFuncNames[i];
if (funcNameRva != 0)
{
var funcName =
(char *)RvaToVa(loadedImage, funcNameRva);
var name = Marshal.PtrToStringAnsi((IntPtr)funcName);
Log(" funcName: {0}", name);
_exports.Add(name);
}
}
}
}
}
private void LoadImports(LOADED_IMAGE loadedImage)
{
var hMod = (void *)loadedImage.MappedAddress;
if (hMod != null)
{
Console.WriteLine("Got handle");
uint size;
var pImportDir =
(IMAGE_IMPORT_DESCRIPTOR *)
ImageDirectoryEntryToData(hMod, false,
IMAGE_DIRECTORY_ENTRY_IMPORT, out size);
if (pImportDir != null)
{
Log("Got Image Import Descriptor");
while (pImportDir->OriginalFirstThunk != 0)
{
try
{
var szName = (char *)RvaToVa(loadedImage, pImportDir->Name);
string name = Marshal.PtrToStringAnsi((IntPtr)szName);
var pr = new Tuple <string, List <string> >(name, new List <string>());
_imports.Add(pr);
var pThunkOrg = (THUNK_DATA *)RvaToVa(loadedImage, pImportDir->OriginalFirstThunk);
while (pThunkOrg->AddressOfData != IntPtr.Zero)
{
uint ord;
if ((pThunkOrg->Ordinal & 0x80000000) > 0)
{
ord = pThunkOrg->Ordinal & 0xffff;
Log("imports ({0}).Ordinal{1} - Address: {2}", name, ord,
pThunkOrg->Function);
}
else
{
var pImageByName =
(IMAGE_IMPORT_BY_NAME *)RvaToVa(loadedImage, pThunkOrg->AddressOfData);
if (
!IsBadReadPtr(pImageByName, (uint)sizeof(IMAGE_IMPORT_BY_NAME)))
{
ord = pImageByName->Hint;
var szImportName = pImageByName->Name;
string sImportName = Marshal.PtrToStringAnsi((IntPtr)szImportName);
Log("imports ({0}).{1}@{2} - Address: {3}", name,
sImportName, ord, pThunkOrg->Function);
pr.Item2.Add(sImportName);
}
else
{
Log("Bad ReadPtr Detected or EOF on Imports");
break;
}
}
pThunkOrg++;
}
}
catch (AccessViolationException e)
{
Log("An Access violation occured\n" +
"this seems to suggest the end of the imports section\n");
Log(e.ToString());
}
pImportDir++;
}
}
}
}
private static IntPtr RvaToVa(LOADED_IMAGE loadedImage, IntPtr rva)
{
return(RvaToVa(loadedImage, (uint)(rva.ToInt32())));
}
private static IntPtr RvaToVa(LOADED_IMAGE loadedImage, uint rva)
{
return(ImageRvaToVa(loadedImage.FileHeader, loadedImage.MappedAddress, rva, IntPtr.Zero));
}
public static extern bool MapAndLoad(string imageName, string dllPath, out LOADED_IMAGE loadedImage, bool dotDll, bool readOnly);