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undocumented.cpp
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undocumented.cpp
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#include "undocumented.h"
#include "ssdt.h"
typedef NTSTATUS(NTAPI* ZWQUERYINFORMATIONPROCESS)(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
OUT PVOID ProcessInformation,
IN ULONG ProcessInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* ZWQUERYINFORMATIONTHREAD)(
IN HANDLE ThreadHandle,
IN THREADINFOCLASS ThreadInformationClass,
IN OUT PVOID ThreadInformation,
IN ULONG ThreadInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* NTQUERYOBJECT)(
IN HANDLE Handle OPTIONAL,
IN OBJECT_INFORMATION_CLASS ObjectInformationClass,
OUT PVOID ObjectInformation OPTIONAL,
IN ULONG ObjectInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* ZWQUERYSYSTEMINFORMATION)(
IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
OUT PVOID SystemInformation,
IN ULONG SystemInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* NTQUERYSYSTEMINFORMATION)(
IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
OUT PVOID SystemInformation,
IN ULONG SystemInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* NTCLOSE)(
IN HANDLE Handle
);
typedef NTSTATUS(NTAPI* NTSETCONTEXTTHREAD)(
IN HANDLE ThreadHandle,
IN PCONTEXT Context
);
typedef NTSTATUS(NTAPI* NTCONTINUE)(
IN PCONTEXT Context,
BOOLEAN RaiseAlert
);
typedef NTSTATUS(NTAPI* NTDUPLICATEOBJECT)(
IN HANDLE SourceProcessHandle,
IN HANDLE SourceHandle,
IN HANDLE TargetProcessHandle,
OUT PHANDLE TargetHandle,
IN ACCESS_MASK DesiredAccess OPTIONAL,
IN ULONG HandleAttributes,
IN ULONG Options
);
typedef NTSTATUS(NTAPI* KERAISEUSEREXCEPTION)(
IN NTSTATUS ExceptionCode
);
typedef NTSTATUS(NTAPI* NTSETINFORMATIONTHREAD)(
IN HANDLE ThreadHandle,
IN THREADINFOCLASS ThreadInformationClass,
IN PVOID ThreadInformation,
IN ULONG ThreadInformationLength
);
typedef NTSTATUS(NTAPI* NTSETINFORMATIONPROCESS)(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
IN PVOID ProcessInformation,
IN ULONG ProcessInformationLength
);
typedef NTSTATUS(NTAPI* NTQUERYINFORMATIONPROCESS)(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
OUT PVOID ProcessInformation,
IN ULONG ProcessInformationLength,
OUT PULONG ReturnLength OPTIONAL
);
typedef NTSTATUS(NTAPI* NTSYSTEMDEBUGCONTROL)(
IN SYSDBG_COMMAND Command,
IN PVOID InputBuffer OPTIONAL,
IN ULONG InputBufferLength,
OUT PVOID OutputBuffer OPTIONAL,
IN ULONG OutputBufferLength,
OUT PULONG ReturnLength OPTIONAL
);
static ZWQUERYINFORMATIONPROCESS ZwQIP = 0;
static ZWQUERYINFORMATIONTHREAD ZwQIT = 0;
static NTQUERYOBJECT NtQO = 0;
static ZWQUERYSYSTEMINFORMATION ZwQSI = 0;
static NTQUERYSYSTEMINFORMATION NtQSI = 0;
static NTCLOSE NtClo = 0;
static NTSETCONTEXTTHREAD NtSCT = 0;
static NTCONTINUE NtCon = 0;
static NTDUPLICATEOBJECT NtDO = 0;
static KERAISEUSEREXCEPTION KeRUE = 0;
static NTSETINFORMATIONTHREAD NtSIT = 0;
static NTSETINFORMATIONPROCESS NtSIP = 0;
static NTQUERYINFORMATIONPROCESS NtQIP = 0;
static NTSYSTEMDEBUGCONTROL NtSDBC = 0;
NTSTATUS NTAPI Undocumented::ZwQueryInformationProcess(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
OUT PVOID ProcessInformation,
IN ULONG ProcessInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return ZwQIP(ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::ZwQueryInformationThread(
IN HANDLE ThreadHandle,
IN THREADINFOCLASS ThreadInformationClass,
IN OUT PVOID ThreadInformation,
IN ULONG ThreadInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return ZwQIT(ThreadHandle, ThreadInformationClass, ThreadInformation, ThreadInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::NtQueryObject(
IN HANDLE Handle OPTIONAL,
IN OBJECT_INFORMATION_CLASS ObjectInformationClass,
OUT PVOID ObjectInformation OPTIONAL,
IN ULONG ObjectInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return NtQO(Handle, ObjectInformationClass, ObjectInformation, ObjectInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::ZwQuerySystemInformation(
IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
OUT PVOID SystemInformation,
IN ULONG SystemInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return ZwQSI(SystemInformationClass, SystemInformation, SystemInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::NtQuerySystemInformation(
IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
OUT PVOID SystemInformation,
IN ULONG SystemInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return NtQSI(SystemInformationClass, SystemInformation, SystemInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::NtClose(
IN HANDLE Handle)
{
return NtClo(Handle);
}
NTSTATUS NTAPI Undocumented::NtSetContextThread(
IN HANDLE ThreadHandle,
IN PCONTEXT Context)
{
return NtSCT(ThreadHandle, Context);
}
NTSTATUS NTAPI Undocumented::NtContinue(
IN PCONTEXT Context,
BOOLEAN RaiseAlert)
{
return NtCon(Context, RaiseAlert);
}
NTSTATUS NTAPI Undocumented::NtDuplicateObject(
IN HANDLE SourceProcessHandle,
IN HANDLE SourceHandle,
IN HANDLE TargetProcessHandle,
OUT PHANDLE TargetHandle,
IN ACCESS_MASK DesiredAccess OPTIONAL,
IN ULONG HandleAttributes,
IN ULONG Options)
{
return NtDO(SourceProcessHandle, SourceHandle, TargetProcessHandle, TargetHandle, DesiredAccess, HandleAttributes, Options);
}
NTSTATUS NTAPI Undocumented::KeRaiseUserException(
IN NTSTATUS ExceptionCode)
{
return KeRUE(ExceptionCode);
}
NTSTATUS NTAPI Undocumented::NtSetInformationThread(
IN HANDLE ThreadHandle,
IN THREADINFOCLASS ThreadInformationClass,
IN PVOID ThreadInformation,
IN ULONG ThreadInformationLength)
{
return NtSIT(ThreadHandle, ThreadInformationClass, ThreadInformation, ThreadInformationLength);
}
NTSTATUS NTAPI Undocumented::NtSetInformationProcess(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
IN PVOID ProcessInformation,
IN ULONG ProcessInformationLength)
{
return NtSIP(ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength);
}
NTSTATUS NTAPI Undocumented::NtQueryInformationProcess(
IN HANDLE ProcessHandle,
IN PROCESSINFOCLASS ProcessInformationClass,
OUT PVOID ProcessInformation,
IN ULONG ProcessInformationLength,
OUT PULONG ReturnLength OPTIONAL)
{
return NtQIP(ProcessHandle, ProcessInformationClass, ProcessInformation, ProcessInformationLength, ReturnLength);
}
NTSTATUS NTAPI Undocumented::NtSystemDebugControl(
IN SYSDBG_COMMAND Command,
IN PVOID InputBuffer,
IN ULONG InputBufferLength,
OUT PVOID OutputBuffer,
IN ULONG OutputBufferLength,
OUT PULONG ReturnLength)
{
return NtSDBC(Command, InputBuffer, InputBufferLength, OutputBuffer, OutputBufferLength, ReturnLength);
}
bool Undocumented::UndocumentedInit()
{
//Exported kernel functions after this
if(!ZwQIP)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"ZwQueryInformationProcess");
ZwQIP = (ZWQUERYINFORMATIONPROCESS)MmGetSystemRoutineAddress(&routineName);
if(!ZwQIP)
return false;
}
if(!ZwQIT)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"ZwQueryInformationThread");
ZwQIT = (ZWQUERYINFORMATIONTHREAD)MmGetSystemRoutineAddress(&routineName);
if(!ZwQIT)
return false;
}
if(!ZwQSI)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"ZwQuerySystemInformation");
ZwQSI = (ZWQUERYSYSTEMINFORMATION)MmGetSystemRoutineAddress(&routineName);
if(!ZwQSI)
return false;
}
if(!NtQSI)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtQuerySystemInformation");
NtQSI = (NTQUERYSYSTEMINFORMATION)MmGetSystemRoutineAddress(&routineName);
if(!NtQSI)
return false;
}
if(!NtClo)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtClose");
NtClo = (NTCLOSE)MmGetSystemRoutineAddress(&routineName);
if(!NtClo)
return false;
}
if(!NtDO)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtDuplicateObject");
NtDO = (NTDUPLICATEOBJECT)MmGetSystemRoutineAddress(&routineName);
if(!NtDO)
return false;
}
if(!KeRUE)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"KeRaiseUserException");
KeRUE = (KERAISEUSEREXCEPTION)MmGetSystemRoutineAddress(&routineName);
if(!KeRUE)
return false;
}
if(!NtSIT)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtSetInformationThread");
NtSIT = (NTSETINFORMATIONTHREAD)MmGetSystemRoutineAddress(&routineName);
if(!NtSIT)
return false;
}
if(!NtSIP)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtSetInformationProcess");
NtSIP = (NTSETINFORMATIONPROCESS)MmGetSystemRoutineAddress(&routineName);
if(!NtSIP)
return false;
}
if(!NtQIP)
{
UNICODE_STRING routineName;
RtlInitUnicodeString(&routineName, L"NtQueryInformationProcess");
NtQIP = (NTQUERYINFORMATIONPROCESS)MmGetSystemRoutineAddress(&routineName);
if(!NtQIP)
return false;
}
//SSDT-only functions after this
if(!NtQO)
{
NtQO = (NTQUERYOBJECT)SSDT::GetFunctionAddress("NtQueryObject");
if(!NtQO)
return false;
}
if(!NtSCT)
{
NtSCT = (NTSETCONTEXTTHREAD)SSDT::GetFunctionAddress("NtSetContextThread");
if(!NtSCT)
return false;
}
if(!NtCon)
{
NtCon = (NTCONTINUE)SSDT::GetFunctionAddress("NtContinue");
if(!NtCon)
return false;
}
if(!NtSDBC)
{
NtSDBC = (NTSYSTEMDEBUGCONTROL)SSDT::GetFunctionAddress("NtSystemDebugControl");
if(!NtSDBC)
return false;
}
return true;
}
//Based on: http://alter.org.ua/docs/nt_kernel/procaddr
PVOID Undocumented::GetKernelBase(PULONG pImageSize)
{
typedef struct _SYSTEM_MODULE_ENTRY
{
HANDLE Section;
PVOID MappedBase;
PVOID ImageBase;
ULONG ImageSize;
ULONG Flags;
USHORT LoadOrderIndex;
USHORT InitOrderIndex;
USHORT LoadCount;
USHORT OffsetToFileName;
UCHAR FullPathName[256];
} SYSTEM_MODULE_ENTRY, *PSYSTEM_MODULE_ENTRY;
#pragma warning(disable:4200)
typedef struct _SYSTEM_MODULE_INFORMATION
{
ULONG Count;
SYSTEM_MODULE_ENTRY Module[0];
} SYSTEM_MODULE_INFORMATION, *PSYSTEM_MODULE_INFORMATION;
PVOID pModuleBase = NULL;
PSYSTEM_MODULE_INFORMATION pSystemInfoBuffer = NULL;
ULONG SystemInfoBufferSize = 0;
NTSTATUS status = Undocumented::ZwQuerySystemInformation(SystemModuleInformation,
&SystemInfoBufferSize,
0,
&SystemInfoBufferSize);
if(!SystemInfoBufferSize)
{
DPRINT("[DeugMessage] ZwQuerySystemInformation (1) failed...\r\n");
return NULL;
}
pSystemInfoBuffer = (PSYSTEM_MODULE_INFORMATION)ExAllocatePool(NonPagedPool, SystemInfoBufferSize * 2);
if(!pSystemInfoBuffer)
{
DPRINT("[DeugMessage] ExAllocatePool failed...\r\n");
return NULL;
}
memset(pSystemInfoBuffer, 0, SystemInfoBufferSize * 2);
status = Undocumented::ZwQuerySystemInformation(SystemModuleInformation,
pSystemInfoBuffer,
SystemInfoBufferSize * 2,
&SystemInfoBufferSize);
if(NT_SUCCESS(status))
{
pModuleBase = pSystemInfoBuffer->Module[0].ImageBase;
if(pImageSize)
*pImageSize = pSystemInfoBuffer->Module[0].ImageSize;
}
else
DPRINT("[DeugMessage] ZwQuerySystemInformation (2) failed...\r\n");
ExFreePool(pSystemInfoBuffer);
return pModuleBase;
}