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); }