mirror of
https://github.com/bb107/MemoryModulePP
synced 2026-06-08 13:15:33 +00:00
update
This commit is contained in:
Boring
@@ -1,16 +1,5 @@
|
||||
#include "stdafx.h"
|
||||
|
||||
int NTAPI RtlCaptureImageExceptionValues(PVOID BaseAddress, PDWORD SEHandlerTable, PDWORD SEHandlerCount);
|
||||
|
||||
static __forceinline bool NTAPI RtlIsModuleUnloaded(PLDR_DATA_TABLE_ENTRY entry) {
|
||||
if (RtlIsWindowsVersionOrGreater(6, 2, 0)) {
|
||||
return PLDR_DATA_TABLE_ENTRY_WIN8(entry)->DdagNode->State == LdrModulesUnloaded;
|
||||
}
|
||||
else {
|
||||
return entry->DllBase == nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
static VOID NTAPI RtlpInsertInvertedFunctionTable(IN PRTL_INVERTED_FUNCTION_TABLE InvertedTable, IN PVOID ImageBase, IN ULONG SizeOfImage) {
|
||||
#ifdef _WIN64
|
||||
ULONG CurrentSize;
|
||||
@@ -147,152 +136,6 @@ static VOID NTAPI RtlpRemoveInvertedFunctionTable(IN PRTL_INVERTED_FUNCTION_TABL
|
||||
return;
|
||||
}
|
||||
|
||||
int NTAPI RtlCaptureImageExceptionValues(PVOID BaseAddress, PDWORD SEHandlerTable, PDWORD SEHandlerCount) {
|
||||
PIMAGE_LOAD_CONFIG_DIRECTORY pLoadConfigDirectory;
|
||||
PIMAGE_COR20_HEADER pCor20;
|
||||
ULONG Size;
|
||||
|
||||
//check if no seh
|
||||
if (RtlImageNtHeader(BaseAddress)->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NO_SEH) {
|
||||
*SEHandlerTable = *SEHandlerCount = -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
//get seh table and count
|
||||
pLoadConfigDirectory = (decltype(pLoadConfigDirectory))RtlImageDirectoryEntryToData(BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG, &Size);
|
||||
if (pLoadConfigDirectory) {
|
||||
if (Size == 0x40 && pLoadConfigDirectory->Size >= 0x48u) {
|
||||
if (pLoadConfigDirectory->SEHandlerTable && pLoadConfigDirectory->SEHandlerCount) {
|
||||
*SEHandlerTable = pLoadConfigDirectory->SEHandlerTable;
|
||||
return *SEHandlerCount = pLoadConfigDirectory->SEHandlerCount;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//is .net core ?
|
||||
pCor20 = (decltype(pCor20))RtlImageDirectoryEntryToData(BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR, &Size);
|
||||
*SEHandlerTable = *SEHandlerCount = ((pCor20 && pCor20->Flags & 1) ? -1 : 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
PVOID FindLdrpInvertedFunctionTable32() {
|
||||
// _RTL_INVERTED_FUNCTION_TABLE x86
|
||||
// Count +0x0 ????????
|
||||
// MaxCount +0x4 0x00000200
|
||||
// Overflow +0x8 0x00000000(Win7) ????????(Win10)
|
||||
// NextEntrySEHandlerTableEncoded +0xc 0x00000000(Win10) ++++++++(Win7)
|
||||
// _RTL_INVERTED_FUNCTION_TABLE_ENTRY[0] +0x10 ntdll.dll(win10) or The smallest base module
|
||||
// ImageBase +0x10 ++++++++
|
||||
// ImageSize +0x14 ++++++++
|
||||
// SEHandlerCount +0x18 ++++++++
|
||||
// NextEntrySEHandlerTableEncoded +0x1c ++++++++(Win10) ????????(Win7)
|
||||
// _RTL_INVERTED_FUNCTION_TABLE_ENTRY[1] ... ...
|
||||
// ......
|
||||
HMODULE hModule = nullptr, hNtdll = GetModuleHandleW(L"ntdll.dll");
|
||||
PIMAGE_NT_HEADERS NtdllHeaders = RtlImageNtHeader(hNtdll), ModuleHeaders = nullptr;
|
||||
_RTL_INVERTED_FUNCTION_TABLE_ENTRY_WIN7_32 entry{};
|
||||
LPCSTR lpSectionName = ".data";
|
||||
SEARCH_CONTEXT SearchContext{ SearchContext.MemoryBuffer = &entry,SearchContext.BufferLength = sizeof(entry) };
|
||||
PLIST_ENTRY ListHead = &NtCurrentPeb()->Ldr->InMemoryOrderModuleList,
|
||||
ListEntry = ListHead->Flink;
|
||||
PLDR_DATA_TABLE_ENTRY CurEntry = nullptr;
|
||||
DWORD SEHTable, SEHCount;
|
||||
BYTE Offset = 0x20; //sizeof(_RTL_INVERTED_FUNCTION_TABLE_ENTRY)*2
|
||||
|
||||
if (RtlIsWindowsVersionOrGreater(6, 3, 0)) lpSectionName = ".mrdata";
|
||||
else if (!RtlIsWindowsVersionOrGreater(6, 2, 0)) Offset = 0xC;
|
||||
|
||||
while (ListEntry != ListHead) {
|
||||
CurEntry = CONTAINING_RECORD(ListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
|
||||
ListEntry = ListEntry->Flink;
|
||||
if (RtlIsModuleUnloaded(CurEntry))continue; //skip unloaded module
|
||||
if (IsValidMemoryModuleHandle((HMEMORYMODULE)CurEntry->DllBase))continue; //skip our memory module.
|
||||
if (CurEntry->DllBase == hNtdll && Offset == 0x20)continue; //Win10 skip first entry, if the base of ntdll is smallest.
|
||||
hModule = (HMODULE)(hModule ? min(hModule, CurEntry->DllBase) : CurEntry->DllBase);
|
||||
}
|
||||
ModuleHeaders = RtlImageNtHeader(hModule);
|
||||
if (!hModule || !ModuleHeaders || !hNtdll || !NtdllHeaders)return nullptr;
|
||||
|
||||
RtlCaptureImageExceptionValues(hModule, &SEHTable, &SEHCount);
|
||||
entry = { RtlEncodeSystemPointer((PVOID)SEHTable),(DWORD)hModule,ModuleHeaders->OptionalHeader.SizeOfImage,(PVOID)SEHCount };
|
||||
|
||||
while (NT_SUCCESS(RtlFindMemoryBlockFromModuleSection(hNtdll, lpSectionName, &SearchContext))) {
|
||||
PRTL_INVERTED_FUNCTION_TABLE_WIN7_32 tab = decltype(tab)(SearchContext.OutBufferPtr - Offset);
|
||||
|
||||
//Note: Same memory layout for RTL_INVERTED_FUNCTION_TABLE_ENTRY in Windows 10 x86 and x64.
|
||||
if (RtlIsWindowsVersionOrGreater(6, 2, 0) && tab->MaxCount == 0x200 && !tab->NextEntrySEHandlerTableEncoded) return tab;
|
||||
else if (tab->MaxCount == 0x200 && !tab->Overflow) return tab;
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
PVOID FindLdrpInvertedFunctionTable64() {
|
||||
// _RTL_INVERTED_FUNCTION_TABLE x64
|
||||
// Count +0x0 ????????
|
||||
// MaxCount +0x4 0x00000200
|
||||
// Epoch +0x8 ????????
|
||||
// OverFlow +0xc 0x00000000
|
||||
// _RTL_INVERTED_FUNCTION_TABLE_ENTRY[0] +0x10 ntdll.dll(win10) or The smallest base module
|
||||
// ExceptionDirectory +0x10 ++++++++
|
||||
// ImageBase +0x18 ++++++++
|
||||
// ImageSize +0x20 ++++++++
|
||||
// ExceptionDirectorySize +0x24 ++++++++
|
||||
// _RTL_INVERTED_FUNCTION_TABLE_ENTRY[1] ... ...
|
||||
// ......
|
||||
HMODULE hModule = nullptr, hNtdll = GetModuleHandleW(L"ntdll.dll");
|
||||
PIMAGE_NT_HEADERS NtdllHeaders = RtlImageNtHeader(hNtdll), ModuleHeaders = nullptr;
|
||||
_RTL_INVERTED_FUNCTION_TABLE_ENTRY_64 entry{};
|
||||
LPCSTR lpSectionName = ".data";
|
||||
PIMAGE_DATA_DIRECTORY dir = nullptr;
|
||||
SEARCH_CONTEXT SearchContext{ SearchContext.MemoryBuffer = &entry,SearchContext.BufferLength = sizeof(entry) };
|
||||
|
||||
//Windows 8
|
||||
if (RtlVerifyVersion(6, 2, 0, RTL_VERIFY_FLAGS_MAJOR_VERSION | RTL_VERIFY_FLAGS_MINOR_VERSION)) {
|
||||
hModule = hNtdll;
|
||||
ModuleHeaders = NtdllHeaders;
|
||||
//lpSectionName = ".data";
|
||||
}
|
||||
//Windows 8.1 ~ Windows 10
|
||||
else if (RtlIsWindowsVersionOrGreater(6, 3, 0)) {
|
||||
hModule = hNtdll;
|
||||
ModuleHeaders = NtdllHeaders;
|
||||
lpSectionName = ".mrdata";
|
||||
}
|
||||
else {
|
||||
PLIST_ENTRY ListHead = &NtCurrentPeb()->Ldr->InLoadOrderModuleList,
|
||||
ListEntry = ListHead->Flink;
|
||||
PLDR_DATA_TABLE_ENTRY CurEntry = nullptr;
|
||||
while (ListEntry != ListHead) {
|
||||
CurEntry = CONTAINING_RECORD(ListEntry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
|
||||
ListEntry = ListEntry->Flink;
|
||||
//Make sure the smallest base address is not our memory module
|
||||
if (IsValidMemoryModuleHandle((HMEMORYMODULE)CurEntry->DllBase))continue;
|
||||
hModule = (HMODULE)(hModule ? min(hModule, CurEntry->DllBase) : CurEntry->DllBase);
|
||||
}
|
||||
ModuleHeaders = RtlImageNtHeader(hModule);
|
||||
}
|
||||
|
||||
if (!hModule || !ModuleHeaders || !hNtdll || !NtdllHeaders)return nullptr;
|
||||
dir = &ModuleHeaders->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION];
|
||||
entry = {
|
||||
dir->Size ? decltype(entry.ExceptionDirectory)((size_t)hModule + dir->VirtualAddress) : nullptr ,
|
||||
(PVOID)hModule, ModuleHeaders->OptionalHeader.SizeOfImage,dir->Size
|
||||
};
|
||||
|
||||
while (NT_SUCCESS(RtlFindMemoryBlockFromModuleSection(hNtdll, lpSectionName, &SearchContext))) {
|
||||
PRTL_INVERTED_FUNCTION_TABLE_64 tab = decltype(tab)(SearchContext.OutBufferPtr - 0x10);
|
||||
if (RtlIsWindowsVersionOrGreater(6, 2, 0) && tab->MaxCount == 0x200 && !tab->Overflow) return tab;
|
||||
else if (tab->MaxCount == 0x200 && !tab->Epoch) return tab;
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
|
||||
PVOID NTAPI RtlFindLdrpInvertedFunctionTable() {
|
||||
static PVOID LdrpInvertedFunctionTable = FindLdrpInvertedFunctionTable();
|
||||
return LdrpInvertedFunctionTable;
|
||||
}
|
||||
static NTSTATUS NTAPI RtlProtectMrdata(IN SIZE_T Protect) {
|
||||
static PVOID MrdataBase = nullptr;
|
||||
static SIZE_T size = 0;
|
||||
@@ -303,7 +146,7 @@ static NTSTATUS NTAPI RtlProtectMrdata(IN SIZE_T Protect) {
|
||||
|
||||
if (!MrdataBase) {
|
||||
MEMORY_BASIC_INFORMATION mbi{};
|
||||
status = NtQueryVirtualMemory(GetCurrentProcess(), RtlFindLdrpInvertedFunctionTable(), MemoryBasicInformation, &mbi, sizeof(mbi), nullptr);
|
||||
status = NtQueryVirtualMemory(GetCurrentProcess(), MmpGlobalDataPtr->LdrpInvertedFunctionTable, MemoryBasicInformation, &mbi, sizeof(mbi), nullptr);
|
||||
if (!NT_SUCCESS(status))return status;
|
||||
MrdataBase = mbi.BaseAddress;
|
||||
size = mbi.RegionSize;
|
||||
@@ -315,7 +158,7 @@ static NTSTATUS NTAPI RtlProtectMrdata(IN SIZE_T Protect) {
|
||||
}
|
||||
|
||||
NTSTATUS NTAPI RtlInsertInvertedFunctionTable(IN PVOID BaseAddress, IN size_t ImageSize) {
|
||||
static auto table = PRTL_INVERTED_FUNCTION_TABLE(RtlFindLdrpInvertedFunctionTable());
|
||||
auto table = PRTL_INVERTED_FUNCTION_TABLE(MmpGlobalDataPtr->LdrpInvertedFunctionTable);
|
||||
if (!table)return STATUS_NOT_SUPPORTED;
|
||||
bool need_virtual_protect = RtlIsWindowsVersionOrGreater(6, 3, 0);
|
||||
NTSTATUS status;
|
||||
@@ -334,7 +177,7 @@ NTSTATUS NTAPI RtlInsertInvertedFunctionTable(IN PVOID BaseAddress, IN size_t Im
|
||||
}
|
||||
|
||||
NTSTATUS NTAPI RtlRemoveInvertedFunctionTable(IN PVOID ImageBase) {
|
||||
static auto table = PRTL_INVERTED_FUNCTION_TABLE(RtlFindLdrpInvertedFunctionTable());
|
||||
auto table = PRTL_INVERTED_FUNCTION_TABLE(MmpGlobalDataPtr->LdrpInvertedFunctionTable);
|
||||
bool need_virtual_protect = RtlIsWindowsVersionOrGreater(6, 3, 0);
|
||||
NTSTATUS status;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user