// 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); }
/* * Handles loading of all dependent modules. Iterates the IAT entries and attempts to load (using LoadLibrary) all * of the necessary modules for the main module to function. The manifest is extracted and activation contexts used to * ensure correct loading of Side-By-Side dependencies. */ private static bool LoadDependencies(PortableExecutable image, IntPtr hProcess, int processId) { List <string> neededDependencies = new List <string>(); string curdep = string.Empty; bool success = false; foreach (var desc in image.EnumImports()) { if (image.ReadString(image.GetPtrFromRVA(desc.Name), SeekOrigin.Begin, out curdep) && !string.IsNullOrEmpty(curdep)) { if (GetRemoteModuleHandle(curdep, processId).IsNull()) { neededDependencies.Add(curdep); } } } if (neededDependencies.Count > 0) //do we actually need to load any new modules? { byte[] bManifest = ExtractManifest(image); string pathManifest = string.Empty; if (bManifest == null) // no internal manifest, may be an external manifest or none at all? { if (!string.IsNullOrEmpty(image.FileLocation) && File.Exists(Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest"))) { pathManifest = Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest"); } else // no internal or external manifest, presume no side-by-side dependencies. { var standard = InjectionMethod.Create(InjectionMethodType.Standard); var results = standard.InjectAll(neededDependencies.ToArray(), hProcess); foreach (var result in results) { if (result.IsNull()) { return(false); // failed to inject a dependecy, abort mission. } } return(true); // done loading dependencies. } } else { pathManifest = Utils.WriteTempData(bManifest); } if (string.IsNullOrEmpty(pathManifest)) { return(false); } IntPtr pResolverStub = WinAPI.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)RESOLVER_STUB.Length, 0x1000 | 0x2000, 0x40); IntPtr pManifest = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(pathManifest + "\0"), 0x04); IntPtr pModules = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(string.Join("\0", neededDependencies.ToArray()) + "\0"), 0x04); if (!pResolverStub.IsNull()) { var resolverStub = (byte[])RESOLVER_STUB.Clone(); uint nBytes = 0; // Call patching. Patch the empty function addresses with the runtime addresses. BitConverter.GetBytes(FN_CREATEACTCTXA.Subtract(pResolverStub.Add(0x3F)).ToInt32()).CopyTo(resolverStub, 0x3B); BitConverter.GetBytes(FN_ACTIVATEACTCTX.Subtract(pResolverStub.Add(0x58)).ToInt32()).CopyTo(resolverStub, 0x54); BitConverter.GetBytes(FN_GETMODULEHANDLEA.Subtract(pResolverStub.Add(0x84)).ToInt32()).CopyTo(resolverStub, 0x80); BitConverter.GetBytes(FN_LOADLIBRARYA.Subtract(pResolverStub.Add(0x92)).ToInt32()).CopyTo(resolverStub, 0x8E); BitConverter.GetBytes(FN_DEACTIVATEACTCTX.Subtract(pResolverStub.Add(0xC8)).ToInt32()).CopyTo(resolverStub, 0xC4); BitConverter.GetBytes(FN_RELEASEACTCTX.Subtract(pResolverStub.Add(0xD1)).ToInt32()).CopyTo(resolverStub, 0xCD); // Parameter patching BitConverter.GetBytes(pManifest.ToInt32()).CopyTo(resolverStub, 0x1F); BitConverter.GetBytes(neededDependencies.Count).CopyTo(resolverStub, 0x28); BitConverter.GetBytes(pModules.ToInt32()).CopyTo(resolverStub, 0x31); if (WinAPI.WriteProcessMemory(hProcess, pResolverStub, resolverStub, resolverStub.Length, out nBytes) && nBytes == (uint)resolverStub.Length) { uint result = WinAPI.RunThread(hProcess, pResolverStub, 0, 5000); success = (result != uint.MaxValue && result != 0); } // Cleanup WinAPI.VirtualFreeEx(hProcess, pModules, 0, 0x8000); WinAPI.VirtualFreeEx(hProcess, pManifest, 0, 0x8000); WinAPI.VirtualFreeEx(hProcess, pResolverStub, 0, 0x8000); } } return(success); }
private static bool LoadDependencies(JLibrary.PortableExecutable.PortableExecutable image, IntPtr hProcess, int processId) { List <string> list = new List <string>(); string lpBuffer = string.Empty; bool flag = false; foreach (IMAGE_IMPORT_DESCRIPTOR image_import_descriptor in image.EnumImports()) { if ((image.ReadString((long)image.GetPtrFromRVA(image_import_descriptor.Name), SeekOrigin.Begin, out lpBuffer, -1, null) && !string.IsNullOrEmpty(lpBuffer)) && GetRemoteModuleHandle(lpBuffer, processId).IsNull()) { list.Add(lpBuffer); } } if (list.Count > 0) { byte[] data = ExtractManifest(image); string str2 = string.Empty; if (data == null) { if (string.IsNullOrEmpty(image.FileLocation) || !File.Exists(Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest"))) { IntPtr[] ptrArray = InjectionMethod.Create(InjectionMethodType.Standard).InjectAll(list.ToArray(), hProcess); foreach (IntPtr ptr in ptrArray) { if (ptr.IsNull()) { return(false); } } return(true); } str2 = Path.Combine(Path.GetDirectoryName(image.FileLocation), Path.GetFileName(image.FileLocation) + ".manifest"); } else { str2 = Utils.WriteTempData(data); } if (string.IsNullOrEmpty(str2)) { return(false); } IntPtr ptr2 = WinAPI.VirtualAllocEx(hProcess, IntPtr.Zero, (uint)RESOLVER_STUB.Length, 0x3000, 0x40); IntPtr lpAddress = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(str2 + "\0"), 4); IntPtr ptr4 = WinAPI.CreateRemotePointer(hProcess, Encoding.ASCII.GetBytes(string.Join("\0", list.ToArray()) + "\0"), 4); if (!ptr2.IsNull()) { byte[] array = (byte[])RESOLVER_STUB.Clone(); uint lpNumberOfBytesRead = 0; BitConverter.GetBytes(FN_CREATEACTCTXA.Subtract(ptr2.Add(((long)0x3fL))).ToInt32()).CopyTo(array, 0x3b); BitConverter.GetBytes(FN_ACTIVATEACTCTX.Subtract(ptr2.Add(((long)0x58L))).ToInt32()).CopyTo(array, 0x54); BitConverter.GetBytes(FN_GETMODULEHANDLEA.Subtract(ptr2.Add(((long)0x84L))).ToInt32()).CopyTo(array, 0x80); BitConverter.GetBytes(FN_LOADLIBRARYA.Subtract(ptr2.Add(((long)0x92L))).ToInt32()).CopyTo(array, 0x8e); BitConverter.GetBytes(FN_DEACTIVATEACTCTX.Subtract(ptr2.Add(((long)200L))).ToInt32()).CopyTo(array, 0xc4); BitConverter.GetBytes(FN_RELEASEACTCTX.Subtract(ptr2.Add(((long)0xd1L))).ToInt32()).CopyTo(array, 0xcd); BitConverter.GetBytes(lpAddress.ToInt32()).CopyTo(array, 0x1f); BitConverter.GetBytes(list.Count).CopyTo(array, 40); BitConverter.GetBytes(ptr4.ToInt32()).CopyTo(array, 0x31); if (WinAPI.WriteProcessMemory(hProcess, ptr2, array, array.Length, out lpNumberOfBytesRead) && (lpNumberOfBytesRead == array.Length)) { uint num2 = WinAPI.RunThread(hProcess, ptr2, 0, 0x1388); flag = (num2 != uint.MaxValue) && (num2 != 0); } WinAPI.VirtualFreeEx(hProcess, ptr4, 0, 0x8000); WinAPI.VirtualFreeEx(hProcess, lpAddress, 0, 0x8000); WinAPI.VirtualFreeEx(hProcess, ptr2, 0, 0x8000); } } return(flag); }