NTSTATUS LeGlobalData::Initialize()
{
BOOL IsLoader;
PLEPEB LePeb;
PLDR_MODULE Ntdll;
PPEB_BASE Peb;
NTSTATUS Status;
NLSTABLEINFO NlsTableInfo;
UNICODE_STRING SystemDirectory, NlsFileName, OemNlsFileName, LangFileName;
PKEY_VALUE_PARTIAL_INFORMATION IndexValue;
IsLoader = IsLeLoader();
Wow64 = Ps::IsWow64Process();
Ntdll = GetNtdllLdrModule();
LOOP_ONCE
{
LePeb = OpenOrCreateLePeb();
if (LePeb == nullptr)
{
ULONG_PTR DefaultACPLength, DefaultLCIDLength, DefaultOEMCPLength;
WCHAR DefaultACP[0x20], DefaultOEMCP[0x20], DefaultLCID[0x20];
PVOID ReloadedNtdll;
PUNICODE_STRING FullDllName;
LePeb = GetLePeb();
InitDefaultLeb(&LePeb->Leb);
FullDllName = &FindLdrModuleByHandle(&__ImageBase)->FullDllName;
CopyMemory(LePeb->LeDllFullPath, FullDllName->Buffer, FullDllName->Length + sizeof(WCHAR));
Status = LoadPeImage(Ntdll->FullDllName.Buffer, &ReloadedNtdll, nullptr, LOAD_PE_IGNORE_RELOC);
if (NT_SUCCESS(Status))
{
PVOID LdrLoadDllAddress;
LdrLoadDllAddress = LookupExportTable(ReloadedNtdll, NTDLL_LdrLoadDll);
LePeb->LdrLoadDllAddress = PtrAdd(LdrLoadDllAddress, PtrOffset(Ntdll->DllBase, ReloadedNtdll));
CopyMemory(LePeb->LdrLoadDllBackup, LdrLoadDllAddress, LDR_LOAD_DLL_BACKUP_SIZE);
LePeb->LdrLoadDllBackupSize = LDR_LOAD_DLL_BACKUP_SIZE;
UnloadPeImage(ReloadedNtdll);
}
DefaultACPLength = (swprintf(DefaultACP, L"%d", LePeb->Leb.AnsiCodePage) + 1) * sizeof(WCHAR);
DefaultOEMCPLength = (swprintf(DefaultOEMCP, L"%d", LePeb->Leb.OemCodePage) + 1) * sizeof(WCHAR);
DefaultLCIDLength = (swprintf(DefaultLCID, L"%d", LePeb->Leb.LocaleID) + 1) * sizeof(WCHAR);
REGISTRY_REDIRECTION_ENTRY64 *Entry, Entries[] =
{
{
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_CODEPAGE), USTR64(REGKEY_ACP), REG_SZ, },
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_CODEPAGE), USTR64(REGKEY_ACP), REG_SZ, DefaultACP, DefaultACPLength },
},
{
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_CODEPAGE), USTR64(REGKEY_OEMCP), REG_SZ, },
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_CODEPAGE), USTR64(REGKEY_OEMCP), REG_SZ, DefaultOEMCP, DefaultOEMCPLength },
},
{
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_LANGUAGE), USTR64(REGKEY_DEFAULT_LANGUAGE), REG_SZ, },
{ (ULONG64)HKEY_LOCAL_MACHINE, USTR64(REGPATH_LANGUAGE), USTR64(REGKEY_DEFAULT_LANGUAGE), REG_SZ, DefaultLCID, DefaultLCIDLength },
},
};
Status = this->InitRegistryRedirection(Entries, countof(Entries), nullptr);
}
else
{
*GetLePeb() = *LePeb;
Status = this->InitRegistryRedirection(LePeb->Leb.RegistryReplacement, LePeb->Leb.NumberOfRegistryRedirectionEntries, &LePeb->Leb);
NtClose(LePeb->Section);
CloseLePeb(LePeb);
}
if (IsLoader)
break;
Status = this->TextMetricCache.Initialize();
FAIL_RETURN(Status);
PVOID NlsBaseAddress;
LCID DefaultLocaleID;
LARGE_INTEGER DefaultCasingTableSize;
Status = NtInitializeNlsFiles(&NlsBaseAddress, &DefaultLocaleID, &DefaultCasingTableSize);
FAIL_RETURN(Status);
this->GetLePeb()->OriginalLocaleID = DefaultLocaleID;
NtUnmapViewOfSection(CurrentProcess, NlsBaseAddress);
WriteLog(L"init leb %s", GetLePeb()->LeDllFullPath);
SystemDirectory = Ntdll->FullDllName;
SystemDirectory.Length -= Ntdll->BaseDllName.Length;
Status = RtlDuplicateUnicodeString(RTL_DUPSTR_ADD_NULL, &SystemDirectory, &this->SystemDirectory);
FAIL_RETURN(Status);
RtlInitEmptyString(&NlsFileName, nullptr, 0);
RtlInitEmptyString(&OemNlsFileName, nullptr, 0);
RtlInitEmptyString(&LangFileName, nullptr, 0);
SCOPE_EXIT
{
RtlFreeUnicodeString(&NlsFileName);
RtlFreeUnicodeString(&OemNlsFileName);
RtlFreeUnicodeString(&LangFileName);
}
SCOPE_EXIT_END;
Status = GetNlsFile(&NlsFileName, GetLeb()->AnsiCodePage, REGPATH_CODEPAGE);
FAIL_RETURN(Status);
Status = GetNlsFile(&OemNlsFileName, GetLeb()->OemCodePage, REGPATH_CODEPAGE);
FAIL_RETURN(Status);
Status = GetLangFile(&LangFileName, GetLeb()->LocaleID, REGPATH_LANGUAGE);
FAIL_RETURN(Status);
NtFileMemory AnsiFile, OemFile, LangFile;
Status = ReadFileInSystemDirectory(AnsiFile, &NlsFileName);
FAIL_RETURN(Status);
Status = ReadFileInSystemDirectory(OemFile, &OemNlsFileName);
FAIL_RETURN(Status);
Status = ReadFileInSystemDirectory(LangFile, &LangFileName);
FAIL_RETURN(Status);
AnsiCodePageOffset = 0;
OemCodePageOffset = ROUND_UP(AnsiFile.GetSize32(), 16);
UnicodeCaseTableOffset = OemCodePageOffset + ROUND_UP(OemFile.GetSize32(), 16);
Status = AllocVirtualMemory(&CodePageMapView, UnicodeCaseTableOffset + LangFile.GetSize32(), PAGE_READWRITE, MEM_COMMIT | MEM_TOP_DOWN);
FAIL_RETURN(Status);
CopyMemory(PtrAdd(CodePageMapView, AnsiCodePageOffset), AnsiFile.GetBuffer(), AnsiFile.GetSize32());
CopyMemory(PtrAdd(CodePageMapView, OemCodePageOffset), OemFile.GetBuffer(), OemFile.GetSize32());
CopyMemory(PtrAdd(CodePageMapView, UnicodeCaseTableOffset), LangFile.GetBuffer(), LangFile.GetSize32());
ProtectVirtualMemory(CodePageMapView, UnicodeCaseTableOffset + LangFile.GetSize32(), PAGE_READONLY);
RtlInitNlsTables(
(PUSHORT)PtrAdd(CodePageMapView, AnsiCodePageOffset),
(PUSHORT)PtrAdd(CodePageMapView, OemCodePageOffset),
(PUSHORT)PtrAdd(CodePageMapView, UnicodeCaseTableOffset),
&NlsTableInfo
);
RtlResetRtlTranslations(&NlsTableInfo);
WriteLog(L"reset nls");
Peb = CurrentPeb();
Peb->AnsiCodePageData = (PUSHORT)PtrAdd(CodePageMapView, AnsiCodePageOffset);
Peb->OemCodePageData = (PUSHORT)PtrAdd(CodePageMapView, OemCodePageOffset);
Peb->UnicodeCaseTableData = (PUSHORT)PtrAdd(CodePageMapView, UnicodeCaseTableOffset);
// LdrInitShimEngineDynamic(&__ImageBase);
LdrRegisterDllNotification(0,
[] (ULONG NotificationReason, PCLDR_DLL_NOTIFICATION_DATA NotificationData, PVOID Context)
{
return ((PLeGlobalData)Context)->DllNotification(NotificationReason, NotificationData);
},
this,
&DllNotificationCookie
);
}
Status = InstallHookPort();
WriteLog(L"inst hp: %08X", Status);
FAIL_RETURN(Status);
HookNtdllRoutines(Ntdll->DllBase);
WriteLog(L"hook ntdll");
if (IsLoader)
return Status;
PLDR_MODULE Kernel32Ldr;
Kernel32Ldr = GetKernel32Ldr();
if (Kernel32Ldr != nullptr)
{
Kernel32Ldr->EntryPoint = DelayInitDllEntry;
// HookKernel32Routines(Kernel32Ldr->DllBase);
}
WriteLog(L"init %p", Status);
return Status;
}
NTSTATUS LeGlobalData::Initialize()
{
PLEPEB LePeb;
PLDR_MODULE Ntdll;
PPEB_BASE Peb;
NTSTATUS Status;
NLSTABLEINFO NlsTableInfo;
UNICODE_STRING SystemDirectory, NlsFileName, OemNlsFileName, LangFileName;
PKEY_VALUE_PARTIAL_INFORMATION IndexValue;
Wow64 = Ps::IsWow64Process();
Ntdll = GetNtdllLdrModule();
LePeb = OpenOrCreateLePeb();
if (LePeb == nullptr)
{
PVOID ReloadedNtdll;
PUNICODE_STRING FullDllName;
LePeb = GetLePeb();
InitDefaultLeb(&LePeb->Leb);
FullDllName = &FindLdrModuleByHandle(&__ImageBase)->FullDllName;
CopyMemory(LePeb->LeDllFullPath, FullDllName->Buffer, FullDllName->Length + sizeof(WCHAR));
Status = LoadPeImage(Ntdll->FullDllName.Buffer, &ReloadedNtdll, nullptr, LOAD_PE_IGNORE_RELOC);
if (NT_SUCCESS(Status))
{
PVOID LdrLoadDllAddress;
LdrLoadDllAddress = EATLookupRoutineByHashPNoFix(ReloadedNtdll, NTDLL_LdrLoadDll);
LePeb->LdrLoadDllAddress = PtrAdd(LdrLoadDllAddress, PtrOffset(Ntdll->DllBase, ReloadedNtdll));
CopyMemory(LePeb->LdrLoadDllBackup, LdrLoadDllAddress, LDR_LOAD_DLL_BACKUP_SIZE);
LePeb->LdrLoadDllBackupSize = LDR_LOAD_DLL_BACKUP_SIZE;
UnloadPeImage(ReloadedNtdll);
}
}
else
{
*GetLePeb() = *LePeb;
ZwClose(LePeb->Section);
CloseLePeb(LePeb);
}
WriteLog(L"init leb %s", GetLePeb()->LeDllFullPath);
SystemDirectory = Ntdll->FullDllName;
SystemDirectory.Length -= Ntdll->BaseDllName.Length;
Status = RtlDuplicateUnicodeString(RTL_DUPSTR_ADD_NULL, &SystemDirectory, &this->SystemDirectory);
FAIL_RETURN(Status);
RtlInitEmptyUnicodeString(&NlsFileName, nullptr, 0);
RtlInitEmptyUnicodeString(&OemNlsFileName, nullptr, 0);
RtlInitEmptyUnicodeString(&LangFileName, nullptr, 0);
SCOPE_EXIT
{
RtlFreeUnicodeString(&NlsFileName);
RtlFreeUnicodeString(&OemNlsFileName);
RtlFreeUnicodeString(&LangFileName);
}
SCOPE_EXIT_END;
Status = GetNlsFile(&NlsFileName, GetLeb()->AnsiCodePage, REGPATH_CODEPAGE);
FAIL_RETURN(Status);
Status = GetNlsFile(&OemNlsFileName, GetLeb()->OemCodePage, REGPATH_CODEPAGE);
FAIL_RETURN(Status);
Status = GetLangFile(&LangFileName, GetLeb()->LocaleID, REGPATH_LANGUAGE);
FAIL_RETURN(Status);
NtFileMemory AnsiFile, OemFile, LangFile;
Status = ReadFileInSystemDirectory(AnsiFile, &NlsFileName);
FAIL_RETURN(Status);
Status = ReadFileInSystemDirectory(OemFile, &OemNlsFileName);
FAIL_RETURN(Status);
Status = ReadFileInSystemDirectory(LangFile, &LangFileName);
FAIL_RETURN(Status);
AnsiCodePageOffset = 0;
OemCodePageOffset = ROUND_UP(AnsiFile.GetSize32(), 16);
UnicodeCaseTableOffset = OemCodePageOffset + ROUND_UP(OemFile.GetSize32(), 16);
Status = AllocVirtualMemory(&CodePageMapView, UnicodeCaseTableOffset + LangFile.GetSize32(), PAGE_READWRITE, MEM_COMMIT | MEM_TOP_DOWN);
FAIL_RETURN(Status);
CopyMemory(PtrAdd(CodePageMapView, AnsiCodePageOffset), AnsiFile.GetBuffer(), AnsiFile.GetSize32());
CopyMemory(PtrAdd(CodePageMapView, OemCodePageOffset), OemFile.GetBuffer(), OemFile.GetSize32());
CopyMemory(PtrAdd(CodePageMapView, UnicodeCaseTableOffset), LangFile.GetBuffer(), LangFile.GetSize32());
ProtectVirtualMemory(CodePageMapView, UnicodeCaseTableOffset + LangFile.GetSize32(), PAGE_READONLY);
RtlInitNlsTables(
(PUSHORT)PtrAdd(CodePageMapView, AnsiCodePageOffset),
(PUSHORT)PtrAdd(CodePageMapView, OemCodePageOffset),
(PUSHORT)PtrAdd(CodePageMapView, UnicodeCaseTableOffset),
&NlsTableInfo
);
RtlResetRtlTranslations(&NlsTableInfo);
WriteLog(L"reset nls");
Peb = CurrentPeb();
Peb->AnsiCodePageData = (PUSHORT)PtrAdd(CodePageMapView, AnsiCodePageOffset);
Peb->OemCodePageData = (PUSHORT)PtrAdd(CodePageMapView, OemCodePageOffset);
Peb->UnicodeCaseTableData = (PUSHORT)PtrAdd(CodePageMapView, UnicodeCaseTableOffset);
// LdrInitShimEngineDynamic(&__ImageBase);
LdrRegisterDllNotification(0,
[] (ULONG NotificationReason, PCLDR_DLL_NOTIFICATION_DATA NotificationData, PVOID Context)
{
return ((PLeGlobalData)Context)->DllNotification(NotificationReason, NotificationData);
},
this,
&DllNotificationCookie
);
Status = InstallHookPort();
FAIL_RETURN(Status);
WriteLog(L"inst hp");
HookNtdllRoutines(Ntdll->DllBase);
WriteLog(L"hook ntdll");
PLDR_MODULE Kernel32Ldr;
Kernel32Ldr = GetKernel32Ldr();
if (Kernel32Ldr != nullptr)
{
Kernel32Ldr->EntryPoint = DelayInitDllEntry;
// HookKernel32Routines(Kernel32Ldr->DllBase);
}
WriteLog(L"init %p", Status);
return Status;
}
