private static void PatchImports(PortableExecutable image, IntPtr hProcess, int processId)
{
string empty = string.Empty;
string empty2 = string.Empty;
foreach (IMAGE_IMPORT_DESCRIPTOR current in image.EnumImports())
{
if (image.ReadString((long)((ulong)image.GetPtrFromRVA(current.Name)), SeekOrigin.Begin, out empty, -1, null))
{
IntPtr intPtr = IntPtr.Zero;
IntPtr arg_4F_0 = IntPtr.Zero;
intPtr = ManualMap.GetRemoteModuleHandle(empty, processId);
if (intPtr.IsNull())
{
throw new FileNotFoundException(string.Format("Unable to load dependent module '{0}'.", empty));
}
uint num = image.GetPtrFromRVA(current.FirstThunkPtr);
uint num2 = (uint)Marshal.SizeOf(typeof(IMAGE_THUNK_DATA));
IMAGE_THUNK_DATA iMAGE_THUNK_DATA;
while (image.Read <IMAGE_THUNK_DATA>((long)((ulong)num), SeekOrigin.Begin, out iMAGE_THUNK_DATA) && iMAGE_THUNK_DATA.u1.AddressOfData > 0u)
{
IntPtr intPtr2 = IntPtr.Zero;
object obj;
if ((iMAGE_THUNK_DATA.u1.Ordinal & 2147483648u) == 0u)
{
if (!image.ReadString((long)((ulong)(image.GetPtrFromRVA(iMAGE_THUNK_DATA.u1.AddressOfData) + 2u)), SeekOrigin.Begin, out empty2, -1, null))
{
throw image.GetLastError();
}
obj = empty2;
}
else
{
obj = (ushort)(iMAGE_THUNK_DATA.u1.Ordinal & 65535u);
}
if (!(intPtr2 = WinAPI.GetModuleHandleA(empty)).IsNull())
{
IntPtr ptr = obj.GetType().Equals(typeof(string)) ? WinAPI.GetProcAddress(intPtr2, (string)obj) : WinAPI.GetProcAddress(intPtr2, (uint)((ushort)obj & 65535));
if (!ptr.IsNull())
{
intPtr2 = intPtr.Add((long)ptr.Subtract((long)intPtr2.ToInt32()).ToInt32());
}
}
else
{
intPtr2 = WinAPI.GetProcAddressEx(hProcess, intPtr, obj);
}
if (intPtr2.IsNull())
{
throw new EntryPointNotFoundException(string.Format("Unable to locate imported function '{0}' from module '{1}' in the remote process.", empty2, empty));
}
image.Write <int>((long)((ulong)num), SeekOrigin.Begin, intPtr2.ToInt32());
num += num2;
}
}
}
}
// Token: 0x06000123 RID: 291 RVA: 0x0000DEE4 File Offset: 0x0000C0E4
private static bool LoadDependencies(PortableExecutable image, IntPtr hProcess, int processId)
{
List <string> list = new List <string>();
string empty = string.Empty;
bool result = false;
foreach (IMAGE_IMPORT_DESCRIPTOR image_IMPORT_DESCRIPTOR in image.EnumImports())
{
if (image.ReadString((long)((ulong)image.GetPtrFromRVA(image_IMPORT_DESCRIPTOR.Name)), SeekOrigin.Begin, out empty, -1, null) && !string.IsNullOrEmpty(empty) && ManualMap.GetRemoteModuleHandle(empty, processId).IsNull())
{
list.Add(empty);
}
}
if (list.Count > 0)
{
byte[] array = ManualMap.ExtractManifest(image);
string text = string.Empty;
if (array == null)
{
if (string.IsNullOrEmpty(image.FileLocation) || !File.Exists(Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest")))
{
InjectionMethod injectionMethod = InjectionMethod.Create(InjectionMethodType.Standard);
IntPtr[] array2 = injectionMethod.InjectAll(list.ToArray(), hProcess);
foreach (IntPtr ptr in array2)
{
if (ptr.IsNull())
{
return(false);
}
}
return(true);
}
text = Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest");
}
else
{
text = Utils.WriteTempData(array);
}
if (string.IsNullOrEmpty(text))
{
return(false);
}
IntPtr intPtr = WinAPI.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)ManualMap.RESOLVER_STUB.Length, 12288, 64);
IntPtr lpAddress = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(text + "\0"), 4);
IntPtr lpAddress2 = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(string.Join("\0", list.ToArray()) + "\0"), 4);
if (!intPtr.IsNull())
{
byte[] array4 = (byte[])ManualMap.RESOLVER_STUB.Clone();
uint num = 0u;
BitConverter.GetBytes(ManualMap.FN_CREATEACTCTXA.Subtract(intPtr.Add(63L)).ToInt32()).CopyTo(array4, 59);
BitConverter.GetBytes(ManualMap.FN_ACTIVATEACTCTX.Subtract(intPtr.Add(88L)).ToInt32()).CopyTo(array4, 84);
BitConverter.GetBytes(ManualMap.FN_GETMODULEHANDLEA.Subtract(intPtr.Add(132L)).ToInt32()).CopyTo(array4, 128);
BitConverter.GetBytes(ManualMap.FN_LOADLIBRARYA.Subtract(intPtr.Add(146L)).ToInt32()).CopyTo(array4, 142);
BitConverter.GetBytes(ManualMap.FN_DEACTIVATEACTCTX.Subtract(intPtr.Add(200L)).ToInt32()).CopyTo(array4, 196);
BitConverter.GetBytes(ManualMap.FN_RELEASEACTCTX.Subtract(intPtr.Add(209L)).ToInt32()).CopyTo(array4, 205);
BitConverter.GetBytes(lpAddress.ToInt32()).CopyTo(array4, 31);
BitConverter.GetBytes(list.Count).CopyTo(array4, 40);
BitConverter.GetBytes(lpAddress2.ToInt32()).CopyTo(array4, 49);
if (WinAPI.WriteProcessMemory(hProcess, intPtr, array4, array4.Length, out num) && num == (uint)array4.Length)
{
uint num2 = WinAPI.RunThread(hProcess, intPtr, 0u, 5000);
result = (num2 != uint.MaxValue && num2 != 0u);
}
WinAPI.VirtualFreeEx(hProcess, lpAddress2, 0, 32768);
WinAPI.VirtualFreeEx(hProcess, lpAddress, 0, 32768);
WinAPI.VirtualFreeEx(hProcess, intPtr, 0, 32768);
}
}
return(result);
}
