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kdserver.c
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kdserver.c
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/*
MIT License
Copyright (c) 2015 Nicolas Couffin ncouffin@gmail.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <stdint.h>
#include <stdio.h>
#include <sys/Types.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <Windows.h>
#include "WindowsProfils.h"
#include "FDP.h"
#include "kd.h"
#include "WindowsProfils.h"
#include "winbagility.h"
#include "kdserver.h"
#include "mmu.h"
#include "utils.h"
#include "dissectors.h"
#include "FDP.h"
#include "GDB.h"
#include "winbagility.h"
//Status
#define STATUS_SUCCESS 0x00000000
#define STATUS_UNSUCCESSFUL 0xc0000001
#define INITIAL_KD_SEQUENCE_NUMBER 0x80800800
//0x80000000 Unknown, no stop of WinDbg
//0x80000001 Guard page violation
//0x80000002 Data misaligned
//0x80000003 Break instruction exception
//0x80000004 Single step exception
//0x80000005 Unknown, not stop of WinDbg
//0x80000006 Unknown, no stop of WinDbg
//0x80000007 ???
#define BREAK_INSTRUCTION_EXCEPTION_CODE 0x80000003
#define UNKNOWN_EXCEPTION_CODE 0x80000007
#define SINGLESTEP_EXCEPTION_CODE 0x80000004
//Simple Generic ReadRegister
uint64_t WDBG_ReadRegister(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, uint32_t CpuId, FDP_Register RegisterId){
uint64_t RegisterValue;
pWinbagilityCtx->pfnReadRegister(pWinbagilityCtx->pUserHandle, CpuId, RegisterId, &RegisterValue);
return RegisterValue;
}
//TODO Move this !
/*
*@brief get the CpuId of cpu who break on a breakpoint
*/
uint32_t WDBG_GetBreakInCpu(WINBAGILITY_CONTEXT_T *pWinbagilityCtx)
{
if (pWinbagilityCtx->CurrentMode == StubTypeFdp){
FDP_State state;
FDP_GetState((FDP_SHM*)pWinbagilityCtx->pUserHandle, &state);
if (state | FDP_STATE_BREAKPOINT_HIT){
for (uint32_t c = 0; c < pWinbagilityCtx->CpuCount; c++){
FDP_State CpuState;
FDP_GetCpuState((FDP_SHM*)pWinbagilityCtx->pUserHandle, c, &CpuState);
if (CpuState & FDP_STATE_BREAKPOINT_HIT){
return c;
}
}
}
}
return pWinbagilityCtx->CurrentCpuId;
}
/*
* This function ackowledges a specific KD packet
*
* @param pReqKdPkt KD packet to ackowledge
*
* @return sucess
*/
BOOL AckKDPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
pRespKdPkt->Leader = KD_CONTROL_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_ACK;
pRespKdPkt->Length = 0x00;
pRespKdPkt->Id = pReqKdPkt->Id;
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
#define KPRCB_CURRENTTHREAD_OFFSET_X86 0x04
#define KPRCB_CURRENTTHREAD_OFFSET_X64 0x08
/*
* @brief Handle a Break packet
* The KD server has to reply with a KD_PACKET_TYPE_STATE_CHANGE
*
* @return success
*/
BOOL HandleBreakPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, bool bIsBreak, bool bIsForcedBreak)
{
Log1("[BREAK]\n");
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId;
FDP_State CpuState = (FDP_State)0;
//Pause the VM
pWinbagilityCtx->pfnPause(pWinbagilityCtx->pUserHandle);
//Get the breakin Cpu
CurrentCpuId = WDBG_GetBreakInCpu(pWinbagilityCtx);
//Select the breakin Cpu
pWinbagilityCtx->CurrentCpuId = CurrentCpuId;
//Create ExceptionStateChange Pkt
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_STATE_CHANGE;
//TODO: sizeof !
pRespKdPkt->Length = 244;
pRespKdPkt->Id = INITIAL_KD_SEQUENCE_NUMBER;
pRespKdPkt->StateChange.ApiNumber = DbgKdExceptionStateChange;
pRespKdPkt->StateChange.NewState = 0x0006;
pRespKdPkt->StateChange.ProcessorId = CurrentCpuId;
pRespKdPkt->StateChange.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->StateChange.Processor = 0;
pRespKdPkt->StateChange.NumberProcessors = 1;
//Read current thread address form KPRCB
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&pRespKdPkt->StateChange.Thread,
sizeof(uint64_t),
pWinbagilityCtx->v_KPRCB[0] + KPRCB_CURRENTTHREAD_OFFSET_X86);
pRespKdPkt->StateChange.Thread |= 0xFFFFFFFF00000000;
}
else {
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&pRespKdPkt->StateChange.Thread,
sizeof(uint64_t),
pWinbagilityCtx->v_KPRCB[0] + KPRCB_CURRENTTHREAD_OFFSET_X64);
}
//Get ProgramCounter from Rip
uint64_t ProgramCounter = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RIP_REGISTER);
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
ProgramCounter |= 0xFFFFFFFF00000000;
}
pRespKdPkt->StateChange.ProgramCounter = ProgramCounter;
//Get the CpuState from Stub
pWinbagilityCtx->pfnGetCpuState(pWinbagilityCtx->pUserHandle, pWinbagilityCtx->CurrentCpuId, &CpuState);
memset(&pRespKdPkt->StateChange.Exception, 0, sizeof(DBGKM_EXCEPTION64));
//Compute the ExceptionCode
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionCode = BREAK_INSTRUCTION_EXCEPTION_CODE;
if (bIsForcedBreak == false){
if (bIsForcedBreak == false &&
((CpuState & FDP_STATE_BREAKPOINT_HIT) || (bIsBreak == true))){
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionCode = BREAK_INSTRUCTION_EXCEPTION_CODE;
if ((CpuState & FDP_STATE_HARD_BREAKPOINT_HIT)){
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionCode = SINGLESTEP_EXCEPTION_CODE;
}
}
}
//TODO: Generate good ExceptionRecord
pRespKdPkt->StateChange.Exception.FirstChance = 0x00000001;
pRespKdPkt->StateChange.Exception.ExceptionRecord.NumberParameters = 0x00000003;
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionAddress = ProgramCounter;
//Set minimal exception
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionInformation[0] = 0;
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionInformation[1] = pRespKdPkt->StateChange.Thread;
pRespKdPkt->StateChange.Exception.ExceptionRecord.ExceptionInformation[2] = 0;
pRespKdPkt->StateChange.ControlReport.Dr6 = (uint32_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR6_REGISTER);
pRespKdPkt->StateChange.ControlReport.Dr7 = (uint32_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR7_REGISTER);
pRespKdPkt->StateChange.ControlReport.EFlags = (ULONG)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RFLAGS_REGISTER);
//Read following instructions
pRespKdPkt->StateChange.ControlReport.InstructionCount = DBGKD_MAXSTREAM;
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
pRespKdPkt->StateChange.ControlReport.InstructionStream,
pRespKdPkt->StateChange.ControlReport.InstructionCount,
ProgramCounter);
pRespKdPkt->StateChange.ControlReport.ReportFlags = 0x0003;
pRespKdPkt->StateChange.ControlReport.SegCs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CS_REGISTER);
pRespKdPkt->StateChange.ControlReport.SegDs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DS_REGISTER);
pRespKdPkt->StateChange.ControlReport.SegEs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_ES_REGISTER);
pRespKdPkt->StateChange.ControlReport.SegFs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_FS_REGISTER);
//Send the packet
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
/*
* Handle a Reset packet
* The KD server has to reply with a KD_PACKET_TYPE_RESET
*
* @return success
*/
BOOL HandleResetPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx)
{
Log1("[RESET]\n");
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
//TODO: Reset all server state !
pRespKdPkt->Leader = KD_CONTROL_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_RESET;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER;
pRespKdPkt->Id = INITIAL_KD_SEQUENCE_NUMBER;
if (pWinbagilityCtx->bIsConnectionEstablished == false){
//Send Reset Ack while connection isn't established
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
}
return true;
}
/*
* Handle a Get Version packet
* The KD server has to reply with a KD_PACKET_TYPE_MANIP
*
* @return success
*/
BOOL HandleDbgKdGetVersionApiPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + sizeof(DBGKD_GET_VERSION_API64);
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdGetVersionApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
uint64_t v_KdVersionBlock = pWinbagilityCtx->v_KernBase + pWinbagilityCtx->pCurrentWindowsProfil->KdVersionBlockOffset;
//Read nt!KdVersionBlock
if (pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&pRespKdPkt->ManipulateState64.DbgGetVersion,
sizeof(DBGKD_GET_VERSION_API64),
v_KdVersionBlock) == false){
//TODO: Create one from scratch...
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
//This value is invalid !!!!
#define SIZEOF_KDBG 0x370
BOOL HandleDbgKdReadVirtualMemoryApiPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdReadVirtualMemoryApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress;
pRespKdPkt->ManipulateState64.ReadMemory.TransferCount = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
uint64_t TargetBaseAddress = pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress;
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
TargetBaseAddress = TargetBaseAddress & 0xFFFFFFFF;
}
bool bIsReadSuccess = false;
Log1("TargetbaseAddress %llx TransfertCount: %d\n", TargetBaseAddress, pReqKdPkt->ManipulateState64.ReadMemory.TransferCount);
//Lot of possibilities here...
//Windbg read @v_KDBG or @v_KDBG+sizeof(DBGKD_DEBUG_DATA_HEADER64)
//But what do I have to print when user want to read v_KDBG ? (Ciphered or Unciphered) ?
if (pWinbagilityCtx->pCurrentWindowsProfil->bClearKdDebuggerDataBlock == false &&
TargetBaseAddress >= pWinbagilityCtx->v_KDBG &&
TargetBaseAddress < (pWinbagilityCtx->v_KDBG + sizeof(KDDEBUGGER_DATA64))
//(TargetBaseAddress + pRespKdPkt->ManipulateState64.ReadMemory.TransferCount) <= (pWinbagilityCtx->v_KDBG + sizeof(KDDEBUGGER_DATA64))
){
size_t u64OffsetInKDBG = (size_t)(TargetBaseAddress - pWinbagilityCtx->v_KDBG);
//Check for Overflow
if (u64OffsetInKDBG + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount > sizeof(KDDEBUGGER_DATA64)){
bIsReadSuccess = true;
size_t uKDBGToRead = sizeof(KDDEBUGGER_DATA64)-u64OffsetInKDBG;
//Read the end of KdDebuggerDataBlock
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, ((uint8_t*)(&pWinbagilityCtx->KDBG)) + u64OffsetInKDBG, uKDBGToRead);
//Read the end
bIsReadSuccess = pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&pRespKdPkt->ManipulateState64.ReadMemory.Data + (sizeof(KDDEBUGGER_DATA64)-u64OffsetInKDBG),
(pReqKdPkt->ManipulateState64.ReadMemory.TransferCount - (sizeof(KDDEBUGGER_DATA64)-u64OffsetInKDBG)) & 0xFFFFFFFF,
TargetBaseAddress + (sizeof(KDDEBUGGER_DATA64)-u64OffsetInKDBG));
}
else{
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, ((uint8_t*)(&pWinbagilityCtx->KDBG)) + u64OffsetInKDBG, pReqKdPkt->ManipulateState64.ReadMemory.TransferCount);
bIsReadSuccess = true;
}
}
else{
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true &&
TargetBaseAddress == pWinbagilityCtx->KdpDebuggerDataListHead &&
pReqKdPkt->ManipulateState64.ReadMemory.TransferCount == 4) {
//This address is not mapped when no /DEBUG in x86
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, (uint8_t*)&pWinbagilityCtx->v_KDBG, sizeof(uint32_t));
bIsReadSuccess = true;
}
else {
//Move this !
switch (TargetBaseAddress) {
case FDP2KD_GET_VMNAME_MAGIC:
//Get the name of the FDP Channel, used by extensions
memset(pRespKdPkt->ManipulateState64.ReadMemory.Data, 0, pReqKdPkt->ManipulateState64.ReadMemory.TransferCount);
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, pWinbagilityCtx->pStubOpenArg, strlen(pWinbagilityCtx->pStubOpenArg));
bIsReadSuccess = true;
break;
case FDP2KD_FAKE_SINGLE_STEP_MAGIC:
//Enable fake single-step, used by extensions
pWinbagilityCtx->bFakeSingleStepEnabled = true;
pRespKdPkt->ManipulateState64.ReadMemory.Data[0] = 0x01;
bIsReadSuccess = true;
break;
default:
//Normal memory read
bIsReadSuccess = pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&pRespKdPkt->ManipulateState64.ReadMemory.Data,
pReqKdPkt->ManipulateState64.ReadMemory.TransferCount,
TargetBaseAddress);
break;
}
}
}
if (bIsReadSuccess){
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
}
else{
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = 0;
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdWriteVirtualMemoryApiPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdWriteVirtualMemoryApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress;
pRespKdPkt->ManipulateState64.WriteMemory.TransferCount = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
pRespKdPkt->ManipulateState64.WriteMemory.ActualBytesWritten = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
Log1("TargetbaseAddress %llx TransfertCount: %d\n", pRespKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress, pReqKdPkt->ManipulateState64.WriteMemory.TransferCount);
bool bIsWriteSucess = pWinbagilityCtx->pfnWriteVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
pReqKdPkt->ManipulateState64.WriteMemory.Data,
pReqKdPkt->ManipulateState64.WriteMemory.TransferCount,
pReqKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress);
if (bIsWriteSucess){
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
pRespKdPkt->ManipulateState64.WriteMemory.ActualBytesWritten = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
}
else{
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
pRespKdPkt->ManipulateState64.WriteMemory.ActualBytesWritten = 0;
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdReadPhysicalMemoryApiPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdReadPhysicalMemoryApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress;
pRespKdPkt->ManipulateState64.ReadMemory.TransferCount = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
//TODO: handle read on p_KDBG, cipher or unciphered ?
bool bResult = pWinbagilityCtx->pfnReadPhysicalMemory(pWinbagilityCtx->pUserHandle,
pRespKdPkt->ManipulateState64.ReadMemory.Data,
pReqKdPkt->ManipulateState64.ReadMemory.TransferCount,
pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress);
if (bResult == false){
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdWritePhysicalMemoryApiPkt(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdWritePhysicalMemoryApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress;
pRespKdPkt->ManipulateState64.WriteMemory.TransferCount = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
pRespKdPkt->ManipulateState64.WriteMemory.ActualBytesWritten = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
bool bResult = pWinbagilityCtx->pfnWritePhysicalMemory(pWinbagilityCtx->pUserHandle,
pReqKdPkt->ManipulateState64.WriteMemory.Data,
pReqKdPkt->ManipulateState64.WriteMemory.TransferCount,
pReqKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress);
if (bResult == false){
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdWriteBreakPointApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdWriteBreakPointApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointAddress = pReqKdPkt->ManipulateState64.WriteBreakPoint.BreakPointAddress;
pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointHandle = 0;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
for (int i = 0; i <= 32 - 5; i++){ //TODO: what da fuq ?
pRespKdPkt->ManipulateState64.WriteBreakPoint.u[i] = pReqKdPkt->ManipulateState64.WriteBreakPoint.u[i];
}
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointAddress &= 0xFFFFFFFF;
}
int tmpBreakpointHandle = pWinbagilityCtx->pfnSetBreakpoint(pWinbagilityCtx->pUserHandle,
CurrentCpuId,
FDP_SOFTHBP,
-1,
FDP_EXECUTE_BP,
FDP_VIRTUAL_ADDRESS,
pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointAddress,
0x1,
FDP_NO_CR3);
if (tmpBreakpointHandle >= 0){
//Breakpoint install success
pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointHandle = tmpBreakpointHandle; //TODO dont use FDP handle here !
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
}
else{
printf("Failed to SetBreakpoint\n");
}
Log1("BreakPointAddress %llx\n", pRespKdPkt->ManipulateState64.WriteBreakPoint.BreakPointAddress);
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdRestoreBreakPointApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdRestoreBreakPointApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
//Unset the breakpoint !
pWinbagilityCtx->pfnUnsetBreakpoint(pWinbagilityCtx->pUserHandle, pReqKdPkt->ManipulateState64.RestoreBreakPoint.BreakPointHandle);
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdGetRegisterApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
//XXX
//TODO :
//if(pWinbagilityCtx->pCurrentProfil->MajorVersion <= 7){
//pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
//else{
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_UNSUCCESSFUL;
//}
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = 1288;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdGetRegisterApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
//XXX: Do not remove this ! Even with STATUS_UNSUCCESSFUL
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
//TODO !
}
else {
//TODO: What those values are ?
pRespKdPkt->ManipulateState64.GetRegisters.u[0] = pReqKdPkt->ManipulateState64.GetRegisters.u[0];
pRespKdPkt->ManipulateState64.GetRegisters.u[1] = pReqKdPkt->ManipulateState64.GetRegisters.u[1] + 0x4D0;
pRespKdPkt->ManipulateState64.GetRegisters.u[2] = pReqKdPkt->ManipulateState64.GetRegisters.u[2];
pRespKdPkt->ManipulateState64.GetRegisters.u[3] = pReqKdPkt->ManipulateState64.GetRegisters.u[3];
pRespKdPkt->ManipulateState64.GetRegisters.u[4] = pReqKdPkt->ManipulateState64.GetRegisters.u[4];
//What is this ?
pRespKdPkt->ManipulateState64.GetRegisters.u[5] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[6] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[7] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[8] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[9] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[10] = 0x0000000000000000;
pRespKdPkt->ManipulateState64.GetRegisters.u[11] = 0x00001F800010001F;
pRespKdPkt->ManipulateState64.GetRegisters.SegCs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.SegDs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.SegEs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_ES_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.SegFs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_FS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.SegGs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_GS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.SegSs = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_SS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rip = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RIP_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rbp = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RBP_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rsp = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RSP_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rax = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RAX_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rbx = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RBX_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rcx = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RCX_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rdx = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RDX_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rsi = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RSI_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Rdi = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RDI_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R8 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R8_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R9 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R9_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R10 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R10_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R11 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R11_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R12 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R12_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R13 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R13_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R14 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R14_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.R15 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_R15_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.EFlags = (uint32_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_RFLAGS_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr0 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR0_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr1 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR1_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr2 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR2_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr3 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR3_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr6 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR6_REGISTER);
pRespKdPkt->ManipulateState64.GetRegisters.Dr7 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR7_REGISTER);
pWinbagilityCtx->pfnGetFxState64(pWinbagilityCtx->pUserHandle, CurrentCpuId, (XSAVE_FORMAT64*)&pRespKdPkt->ManipulateState64.GetRegisters.FltSave);
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
BOOL HandleDbgKdSwitchProcessor(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
pWinbagilityCtx->CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
HandleBreakPkt(pWinbagilityCtx, false, false);
return true;
}
bool HandleDbgKdSetContextApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ApiNumber = DbgKdSetContextApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegCs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegDs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_ES_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegEs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_FS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegFs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_GS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegGs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_SS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.SegSs);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RIP_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rip);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RBP_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rbp);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RSP_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rsp);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RAX_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rax);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RBX_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rbx);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RCX_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rcx);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RDX_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rdx);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RSI_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rsi);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RDI_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Rdi);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R8_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R8);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R9_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R9);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R10_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R10);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R11_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R11);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R12_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R12);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R13_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R13);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R14_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R14);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_R15_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.R15);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_RFLAGS_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.EFlags);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR0_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr0);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR1_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr1);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR2_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr2);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR3_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr3);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR6_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr6);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR7_REGISTER, pReqKdPkt->ManipulateState64.GetContext.Context.Dr7);
//TODO !
//pWinbagilityCtx->pfnSetFxState64(pWinbagilityCtx->pUserHandle, CurrentCpuId, &pReqKdPkt->ManipulateState64.GetContext.Context.FltSave);
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
#define OFFSETOF_KPRCB_KSPECIALREGISTERS64 0x40
BOOL HandleDbgKdReadControlSpaceApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER + pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdReadControlSpaceApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress;
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress = pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress & 0xFFFFFFFF;
}
pRespKdPkt->ManipulateState64.ReadMemory.TransferCount = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = pReqKdPkt->ManipulateState64.ReadMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
Log1("TargetBaseAddress %llx TransfertCount: %d\n", pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress, pReqKdPkt->ManipulateState64.ReadMemory.TransferCount);
if (pWinbagilityCtx->pCurrentWindowsProfil->bIsX86 == true) {
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
pRespKdPkt->ManipulateState64.ReadMemory.Data,
pReqKdPkt->ManipulateState64.ReadMemory.TransferCount,
pWinbagilityCtx->v_KPRCB[0] + 0x18 + pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress);
}
else {
switch (pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress){
case 0: //v_KPCR
{
//Get the address of KPCR
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, &pWinbagilityCtx->v_KPCR, sizeof(uint64_t));
break;
}
case 1: //v_KPRCB
//Get the address of KPRCB
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, &pWinbagilityCtx->v_KPRCB[CurrentCpuId], sizeof(uint64_t));
break;
case 2: //SpecialRegisters
{
//TODO:
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
pRespKdPkt->ManipulateState64.ReadMemory.Data,
pReqKdPkt->ManipulateState64.ReadMemory.TransferCount,
pWinbagilityCtx->v_KPRCB[0] + 0x18 + pRespKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress);
_KPROCESSOR_STATE64 *tmpProcessorState = (_KPROCESSOR_STATE64*)pRespKdPkt->ManipulateState64.ReadMemory.Data;
tmpProcessorState->SpecialRegisters.KernelDr0 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR0_REGISTER);
tmpProcessorState->SpecialRegisters.KernelDr1 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR1_REGISTER);
tmpProcessorState->SpecialRegisters.KernelDr2 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR2_REGISTER);
tmpProcessorState->SpecialRegisters.KernelDr3 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR3_REGISTER);
tmpProcessorState->SpecialRegisters.KernelDr6 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR6_REGISTER);
tmpProcessorState->SpecialRegisters.KernelDr7 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_DR7_REGISTER);
tmpProcessorState->SpecialRegisters.Gdtr.Base = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_GDTRB_REGISTER);
tmpProcessorState->SpecialRegisters.Gdtr.Limit = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_GDTRL_REGISTER);
tmpProcessorState->SpecialRegisters.Idtr.Base = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_IDTRB_REGISTER);
tmpProcessorState->SpecialRegisters.Idtr.Limit = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_IDTRL_REGISTER);
tmpProcessorState->SpecialRegisters.Tr = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_TR_REGISTER);
tmpProcessorState->SpecialRegisters.Ldtr = (uint16_t)WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_LDTR_REGISTER);
//tmpProcessorState->SpecialRegisters.MxCsr = 0x00001f80;
//tmpProcessorState->SpecialRegisters.Xcr0 = 0x7;
tmpProcessorState->SpecialRegisters.Cr0 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CR0_REGISTER);
tmpProcessorState->SpecialRegisters.Cr2 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CR2_REGISTER);
tmpProcessorState->SpecialRegisters.Cr3 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CR3_REGISTER);
tmpProcessorState->SpecialRegisters.Cr4 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CR4_REGISTER);
tmpProcessorState->SpecialRegisters.Cr8 = WDBG_ReadRegister(pWinbagilityCtx, CurrentCpuId, FDP_CR8_REGISTER);
break;
}
case 3: //v_KTHREAD
{
//Copy a pointer to the current thread
uint64_t CurrentThreadPointer = 0;
/*//TODO: WTF,Should be that..
{
uint64_t CurrentThreadPointer = (pWinbagilityCtx->v_KPRCB[CurrentCpuId] + 0x8);
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, &CurrentThreadPointer, sizeof(CurrentThreadPointer));
pRespKdPkt->ManipulateState64.ReadMemory.TransferCount = sizeof(CurrentThreadPointer);
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = sizeof(CurrentThreadPointer);
}*/
//But not indeed...
{
pWinbagilityCtx->pfnReadVirtualMemory(pWinbagilityCtx->pUserHandle,
0,
(uint8_t*)&CurrentThreadPointer,
sizeof(CurrentThreadPointer),
pWinbagilityCtx->v_KPRCB[CurrentCpuId] + 0x8);
memcpy(pRespKdPkt->ManipulateState64.ReadMemory.Data, &CurrentThreadPointer, sizeof(CurrentThreadPointer));
CurrentThreadPointer = CurrentThreadPointer - 0x538D + 0x220; //TODO: what the fuck, reverse...
pRespKdPkt->ManipulateState64.ReadMemory.TransferCount = sizeof(CurrentThreadPointer);
pRespKdPkt->ManipulateState64.ReadMemory.ActualBytesRead = sizeof(CurrentThreadPointer);
}
break;
}
default:
ParseKDPkt(pReqKdPkt);
}
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
bool HandleDbgKdWriteControlSpaceApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = 280;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ApiNumber = DbgKdWriteControlSpaceApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress = pReqKdPkt->ManipulateState64.WriteMemory.TargetBaseAddress;
pRespKdPkt->ManipulateState64.WriteMemory.TransferCount = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
pRespKdPkt->ManipulateState64.WriteMemory.ActualBytesWritten = pReqKdPkt->ManipulateState64.WriteMemory.TransferCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
switch (pReqKdPkt->ManipulateState64.ReadMemory.TargetBaseAddress){
case 0: //@KPCR
break;
case 1: //@KPRCB
break;
case 2:{ //@SpecialRegisters
_KPROCESSOR_STATE64 *tmpProcessorState = (_KPROCESSOR_STATE64*)pReqKdPkt->ManipulateState64.WriteMemory.Data;
KSPECIAL_REGISTERS64_T *tmpSpecialRegisters = (KSPECIAL_REGISTERS64_T*)pReqKdPkt->ManipulateState64.WriteMemory.Data;
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR0_REGISTER, tmpSpecialRegisters->KernelDr0);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR1_REGISTER, tmpSpecialRegisters->KernelDr1);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR2_REGISTER, tmpSpecialRegisters->KernelDr2);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR3_REGISTER, tmpSpecialRegisters->KernelDr3);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR6_REGISTER, tmpSpecialRegisters->KernelDr6);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR7_REGISTER, tmpSpecialRegisters->KernelDr7);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CR0_REGISTER, tmpSpecialRegisters->Cr0);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CR2_REGISTER, tmpSpecialRegisters->Cr2);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CR3_REGISTER, tmpSpecialRegisters->Cr3);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CR4_REGISTER, tmpSpecialRegisters->Cr4);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_CR8_REGISTER, tmpSpecialRegisters->Cr8);
break;
}
case 3: //@KTHREAD
break;
default:
ParseKDPkt(pReqKdPkt);
}
SendKDPacket(pWinbagilityCtx->hWinDbgPipe, pRespKdPkt);
return true;
}
bool HandleDbgKdContinueApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
printf("HandleDbgKdContinueApi\n");
if (pWinbagilityCtx->bFakeSingleStepEnabled == true){
Log1("[DEBUG] Fake Single-Step !\n");
pWinbagilityCtx->bFakeSingleStepEnabled = false;
HandleBreakPkt(pWinbagilityCtx, true, false);
}
else{
if (pWinbagilityCtx->bSingleStep == true){
pWinbagilityCtx->pfnSingleStep(pWinbagilityCtx->pUserHandle, CurrentCpuId);
HandleBreakPkt(pWinbagilityCtx, false, false);
}
else{
pWinbagilityCtx->pfnResume(pWinbagilityCtx->pUserHandle);
}
}
return true;
}
bool HandleDbgKdContinueApi2(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pWinbagilityCtx->bSingleStep = false;
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR7_REGISTER, pReqKdPkt->ManipulateState64.Continue2.Dr7);
pWinbagilityCtx->pfnWriteRegister(pWinbagilityCtx->pUserHandle, CurrentCpuId, FDP_DR6_REGISTER, 0);
if (pWinbagilityCtx->bFakeSingleStepEnabled == true){
Log1("Fake a Single-Step !\n");
pWinbagilityCtx->bFakeSingleStepEnabled = false;
HandleBreakPkt(pWinbagilityCtx, true, false);
}
else{
//if TraceFlag >= 1 then we single step
if (pReqKdPkt->ManipulateState64.Continue2.TraceFlag >= 0x1){ //Not a Software Breakpoint !
pWinbagilityCtx->bSingleStep = true;
//Single step the current cpu
pWinbagilityCtx->pfnSingleStep(pWinbagilityCtx->pUserHandle, CurrentCpuId);
//Alert WinDbg that the single step is done
HandleBreakPkt(pWinbagilityCtx, true, false);
pWinbagilityCtx->bSingleStep = false;
}
else{
pWinbagilityCtx->pfnResume(pWinbagilityCtx->pUserHandle);
}
}
return true;
}
bool HandleDbgKdQueryMemoryApi(WINBAGILITY_CONTEXT_T *pWinbagilityCtx, KD_PACKET_T *pReqKdPkt)
{
LogFlow();
KD_PACKET_T *pRespKdPkt = (KD_PACKET_T*)pWinbagilityCtx->TmpOuputBuffer;
uint32_t CurrentCpuId = pReqKdPkt->ManipulateState64.Processor;
pRespKdPkt->Leader = KD_DATA_PACKET;
pRespKdPkt->Type = KD_PACKET_TYPE_MANIP;
pRespKdPkt->Length = SIZEOF_KD_PACKET_HEADER;
pRespKdPkt->Id = pReqKdPkt->Id ^ 0x1;
pRespKdPkt->ManipulateState64.ApiNumber = DbgKdQueryMemoryApi;
pRespKdPkt->ManipulateState64.Processor = CurrentCpuId;
pRespKdPkt->ManipulateState64.ProcessorLevel = pWinbagilityCtx->CpuCount;
pRespKdPkt->ManipulateState64.ReturnStatus = STATUS_SUCCESS;
pRespKdPkt->ManipulateState64.QueryMemory.Address = pReqKdPkt->ManipulateState64.QueryMemory.Address;
pRespKdPkt->ManipulateState64.QueryMemory.AddressSpace = DBGKD_QUERY_MEMORY_KERNEL; //TODO: if K K else S
//TODO: get real rigths from PTE
pRespKdPkt->ManipulateState64.QueryMemory.Flags = DBGKD_QUERY_MEMORY_READ | DBGKD_QUERY_MEMORY_WRITE | DBGKD_QUERY_MEMORY_EXECUTE;