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hook.c
3494 lines (3038 loc) · 145 KB
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hook.c
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////////////////////////////////////////////////////////////////////////////
//
// zer0m0n DRIVER
//
// Copyright 2013 Conix Security, Nicolas Correia, Adrien Chevalier
//
// This file is part of zer0m0n.
//
// Zer0m0n is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Zer0m0n is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Zer0m0n. If not, see <http://www.gnu.org/licenses/>.
//
//
// File : hook.c
// Abstract : SSDT hooks handling
// Revision : v1.0
// Author : Adrien Chevalier & Nicolas Correia
// Email : adrien.chevalier@conix.fr nicolas.correia@conix.fr
// Date : 2013-12-26
// Notes :
//
////////////////////////////////////////////////////////////////////////////
#include "hook.h"
#include "main.h"
#include "utils.h"
#include "monitor.h"
#include "comm.h"
#include "stack_unwind.h"
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// hook SSDT and Shadow SSDT tables
// Parameters :
// DWORD pid : python process identifier
// Return value :
// None
// Process :
// Attach python process received from cuckoo to access Shadow SSDT and hook both SSDT and Shadow SSDT
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
VOID hook_ssdt(ULONG pid)
{
NTSTATUS status;
PKAPC_STATE ApcState;
status = PsLookupProcessByProcessId((HANDLE)pid, &crsEProc);
if(NT_SUCCESS(status))
{
ApcState = (PKAPC_STATE)ExAllocatePool(NonPagedPool, sizeof(KAPC_STATE));
KeStackAttachProcess(crsEProc, ApcState);
}
else
return;
if(is_xp)
hook_ssdt_entries();
else
hook_ssdt_entries_7();
KeUnstackDetachProcess(ApcState);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Uninstalls SSDT hooks (XP version)
// Parameters :
// None
// Return value :
// None
// Process :
// restores the original SSDT entries.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
VOID unhook_ssdt_entries()
{
disable_cr0();
if(oldNtCreateThread != NULL)
(NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_INDEX) = oldNtCreateThread;
if(oldNtCreateThreadEx != NULL)
(NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_INDEX) = oldNtCreateThreadEx;
if(oldNtMapViewOfSection != NULL)
(NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_INDEX) = oldNtMapViewOfSection;
if(oldNtSetContextThread != NULL)
(NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_INDEX) = oldNtSetContextThread;
if(oldNtQueueApcThread != NULL)
(NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_INDEX) = oldNtQueueApcThread;
if(oldNtSystemDebugControl != NULL)
(NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_INDEX) = oldNtSystemDebugControl;
if(oldNtCreateProcess != NULL)
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_INDEX) = oldNtCreateProcess;
if(oldNtCreateProcessEx != NULL)
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_INDEX) = oldNtCreateProcessEx;
if(oldNtWriteVirtualMemory != NULL)
(NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_INDEX) = oldNtWriteVirtualMemory;
if(oldNtDebugActiveProcess != NULL)
(NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_INDEX) = oldNtDebugActiveProcess;
if(oldNtOpenProcess != NULL)
(NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_INDEX) = oldNtOpenProcess;
if(oldNtOpenThread != NULL)
(NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_INDEX) = oldNtOpenThread;
if(oldNtQuerySystemInformation != NULL)
(NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_INDEX) = oldNtQuerySystemInformation;
if(oldNtCreateFile != NULL)
(NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_INDEX) = oldNtCreateFile;
if(oldNtReadFile != NULL)
(NTREADFILE)SYSTEMSERVICE(READFILE_INDEX) = oldNtReadFile;
if(oldNtWriteFile != NULL)
(NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_INDEX) = oldNtWriteFile;
if(oldNtDeleteFile != NULL)
(NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_INDEX) = oldNtDeleteFile;
if(oldNtSetInformationFile != NULL)
(NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_INDEX) = oldNtSetInformationFile;
if(oldNtQueryInformationFile != NULL)
(NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_INDEX) = oldNtQueryInformationFile;
if(oldNtCreateMutant != NULL)
(NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_INDEX) = oldNtCreateMutant;
if(oldNtDeviceIoControlFile != NULL)
(NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_INDEX) = oldNtDeviceIoControlFile;
if(oldNtTerminateProcess != NULL)
(NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_INDEX) = oldNtTerminateProcess;
if(oldNtDelayExecution != NULL)
(NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_INDEX) = oldNtDelayExecution;
if(oldNtQueryValueKey != NULL)
(NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_INDEX) = oldNtQueryValueKey;
if(oldNtQueryAttributesFile != NULL)
(NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_INDEX) = oldNtQueryAttributesFile;
if(oldNtReadVirtualMemory != NULL)
(NTREADVIRTUALMEMORY)SYSTEMSERVICE(QUERYATTRIBUTESFILE_INDEX) = oldNtReadVirtualMemory;
if(oldNtResumeThread != NULL)
(NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_INDEX) = oldNtResumeThread;
if(oldNtCreateSection != NULL)
(NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_INDEX) = oldNtCreateSection;
if(oldNtUserCallOneParam != NULL)
(NTUSERCALLONEPARAM)SHADOWSERVICE(USERCALLONEPARAM_INDEX) = oldNtUserCallOneParam;
if(oldNtLoadDriver != NULL)
(NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_INDEX) = oldNtLoadDriver;
if(oldNtClose != NULL)
(NTCLOSE)SYSTEMSERVICE(CLOSE_INDEX) = oldNtClose;
if(oldNtOpenFile != NULL)
(NTOPENFILE)SYSTEMSERVICE(OPENFILE_INDEX) = oldNtOpenFile;
enable_cr0();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Uninstalls SSDT hooks (7 version)
// Parameters :
// None
// Return value :
// None
// Process :
// restores the original SSDT entries.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
VOID unhook_ssdt_entries_7()
{
disable_cr0();
if(oldNtCreateThread != NULL)
(NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_7_INDEX) = oldNtCreateThread;
if(oldNtCreateThreadEx != NULL)
(NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_7_INDEX) = oldNtCreateThreadEx;
if(oldNtMapViewOfSection != NULL)
(NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_7_INDEX) = oldNtMapViewOfSection;
if(oldNtSetContextThread != NULL)
(NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_7_INDEX) = oldNtSetContextThread;
if(oldNtCreateProcess != NULL)
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX) = oldNtCreateProcess;
if(oldNtCreateProcessEx != NULL)
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX) = oldNtCreateProcessEx;
if(oldNtCreateUserProcess != NULL)
(NTCREATEUSERPROCESS)SYSTEMSERVICE(CREATEUSERPROCESS_7_INDEX) = oldNtCreateUserProcess;
if(oldNtQueueApcThread != NULL)
(NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_7_INDEX) = oldNtQueueApcThread;
if(oldNtSystemDebugControl != NULL)
(NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_7_INDEX) = oldNtSystemDebugControl;
if(oldNtWriteVirtualMemory != NULL)
(NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_7_INDEX) = oldNtWriteVirtualMemory;
if(oldNtDebugActiveProcess != NULL)
(NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_7_INDEX) = oldNtDebugActiveProcess;
if(oldNtOpenProcess != NULL)
(NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_7_INDEX) = oldNtOpenProcess;
if(oldNtOpenThread != NULL)
(NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_7_INDEX) = oldNtOpenThread;
if(oldNtQuerySystemInformation != NULL)
(NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_7_INDEX) = oldNtQuerySystemInformation;
if(oldNtCreateFile != NULL)
(NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_7_INDEX) = oldNtCreateFile;
if(oldNtReadFile != NULL)
(NTREADFILE)SYSTEMSERVICE(READFILE_7_INDEX) = oldNtReadFile;
if(oldNtWriteFile != NULL)
(NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_7_INDEX) = oldNtWriteFile;
if(oldNtDeleteFile != NULL)
(NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_7_INDEX) = oldNtDeleteFile;
if(oldNtSetInformationFile != NULL)
(NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_7_INDEX) = oldNtSetInformationFile;
if(oldNtQueryInformationFile != NULL)
(NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_7_INDEX) = oldNtQueryInformationFile;
if(oldNtCreateMutant != NULL)
(NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_7_INDEX) = oldNtCreateMutant;
if(oldNtDeviceIoControlFile != NULL)
(NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_7_INDEX) = oldNtDeviceIoControlFile;
if(oldNtTerminateProcess != NULL)
(NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_7_INDEX) = oldNtTerminateProcess;
if(oldNtDelayExecution != NULL)
(NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_7_INDEX) = oldNtDelayExecution;
if(oldNtQueryValueKey != NULL)
(NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_7_INDEX) = oldNtQueryValueKey;
if(oldNtQueryAttributesFile != NULL)
(NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_7_INDEX) = oldNtQueryAttributesFile;
if(oldNtReadVirtualMemory != NULL)
(NTREADVIRTUALMEMORY)SYSTEMSERVICE(QUERYATTRIBUTESFILE_7_INDEX) = oldNtReadVirtualMemory;
if(oldNtResumeThread != NULL)
(NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_7_INDEX) = oldNtResumeThread;
if(oldNtCreateSection != NULL)
(NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_7_INDEX) = oldNtCreateSection;
if(oldNtCreateProcess != NULL)
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX) = oldNtCreateProcess;
if(oldNtCreateProcessEx != NULL)
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX) = oldNtCreateProcessEx;
if(oldNtUserCallNoParam != NULL)
(NTUSERCALLNOPARAM)SHADOWSERVICE(USERCALLNOPARAM_7_INDEX) = oldNtUserCallNoParam;
if(oldNtLoadDriver != NULL)
(NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_7_INDEX) = oldNtLoadDriver;
if(oldNtClose != NULL)
(NTCLOSE)SYSTEMSERVICE(CLOSE_7_INDEX) = oldNtClose;
if(oldNtOpenFile != NULL)
(NTOPENFILE)SYSTEMSERVICE(OPENFILE_7_INDEX) = oldNtOpenFile;
enable_cr0();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Installs SSDT hooks (XP version)
// Parameters :
// None
// Return value :
// None
// Process :
// Patch SSDT entries with our values after saving the original ones.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
VOID hook_ssdt_entries()
{
disable_cr0();
oldNtCreateThread = (NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_INDEX);
(NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_INDEX) = newNtCreateThread;
oldNtCreateThreadEx = (NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_INDEX);
(NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_INDEX) = newNtCreateThreadEx;
oldNtSetContextThread = (NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_INDEX);
(NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_INDEX) = newNtSetContextThread;
oldNtQueueApcThread = (NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_INDEX);
(NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_INDEX) = newNtQueueApcThread;
oldNtWriteVirtualMemory = (NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_INDEX);
(NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_INDEX) = newNtWriteVirtualMemory;
oldNtSystemDebugControl = (NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_INDEX);
(NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_INDEX) = newNtSystemDebugControl;
oldNtCreateProcess = (NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_INDEX);
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_INDEX) = newNtCreateProcess;
oldNtCreateProcessEx = (NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_INDEX);
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_INDEX) = newNtCreateProcessEx;
oldNtMapViewOfSection = (NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_INDEX);
(NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_INDEX) = newNtMapViewOfSection;
oldNtDebugActiveProcess = (NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_INDEX);
(NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_INDEX) = newNtDebugActiveProcess;
oldNtOpenProcess = (NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_INDEX);
(NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_INDEX) = newNtOpenProcess;
oldNtOpenThread = (NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_INDEX);
(NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_INDEX) = newNtOpenThread;
oldNtQuerySystemInformation = (NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_INDEX);
(NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_INDEX) = newNtQuerySystemInformation;
oldNtCreateFile = (NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_INDEX);
(NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_INDEX) = newNtCreateFile;
oldNtReadFile = (NTREADFILE)SYSTEMSERVICE(READFILE_INDEX);
(NTREADFILE)SYSTEMSERVICE(READFILE_INDEX) = newNtReadFile;
oldNtWriteFile = (NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_INDEX);
(NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_INDEX) = newNtWriteFile;
oldNtDeleteFile = (NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_INDEX);
(NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_INDEX) = newNtDeleteFile;
oldNtSetInformationFile = (NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_INDEX);
(NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_INDEX) = newNtSetInformationFile;
oldNtQueryInformationFile = (NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_INDEX);
(NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_INDEX) = newNtQueryInformationFile;
oldNtCreateMutant = (NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_INDEX);
(NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_INDEX) = newNtCreateMutant;
oldNtDeviceIoControlFile = (NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_INDEX);
(NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_INDEX) = newNtDeviceIoControlFile;
oldNtTerminateProcess = (NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_INDEX);
(NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_INDEX) = newNtTerminateProcess;
oldNtDelayExecution = (NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_INDEX);
(NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_INDEX) = newNtDelayExecution;
oldNtQueryValueKey = (NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_INDEX);
(NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_INDEX) = newNtQueryValueKey;
oldNtQueryAttributesFile = (NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_INDEX);
(NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_INDEX) = newNtQueryAttributesFile;
oldNtReadVirtualMemory = (NTREADVIRTUALMEMORY)SYSTEMSERVICE(READVIRTUALMEMORY_INDEX);
(NTREADVIRTUALMEMORY)SYSTEMSERVICE(READVIRTUALMEMORY_INDEX) = newNtReadVirtualMemory;
oldNtResumeThread = (NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_INDEX);
(NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_INDEX) = newNtResumeThread;
oldNtCreateSection = (NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_INDEX);
(NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_INDEX) = newNtCreateSection;
oldNtUserCallOneParam = (NTUSERCALLONEPARAM)SHADOWSERVICE(USERCALLONEPARAM_INDEX);
(NTUSERCALLONEPARAM)SHADOWSERVICE(USERCALLONEPARAM_INDEX) = newNtUserCallOneParam;
oldNtLoadDriver = (NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_INDEX);
(NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_INDEX) = newNtLoadDriver;
oldNtClose = (NTCLOSE)SYSTEMSERVICE(CLOSE_INDEX);
(NTCLOSE)SYSTEMSERVICE(CLOSE_INDEX) = newNtClose;
oldNtOpenFile = (NTOPENFILE)SYSTEMSERVICE(OPENFILE_INDEX);
(NTOPENFILE)SYSTEMSERVICE(OPENFILE_INDEX) = newNtOpenFile;
enable_cr0();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Installs SSDT hooks (7 version)
// Parameters :
// None
// Return value :
// None
// Process :
// Patch SSDT entries with our values after saving the original ones.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
VOID hook_ssdt_entries_7()
{
disable_cr0();
oldNtCreateThread = (NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_7_INDEX);
(NTCREATETHREAD)SYSTEMSERVICE(CREATETHREAD_7_INDEX) = newNtCreateThread;
oldNtCreateThreadEx = (NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_7_INDEX);
(NTCREATETHREADEX)SYSTEMSERVICE(CREATETHREADEX_7_INDEX) = newNtCreateThreadEx;
oldNtSetContextThread = (NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_7_INDEX);
(NTSETCONTEXTTHREAD)SYSTEMSERVICE(SETCONTEXTTHREAD_7_INDEX) = newNtSetContextThread;
oldNtCreateProcess = (NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX);
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX) = newNtCreateProcess;
oldNtCreateProcessEx = (NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX);
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX) = newNtCreateProcessEx;
oldNtCreateUserProcess = (NTCREATEUSERPROCESS)SYSTEMSERVICE(CREATEUSERPROCESS_7_INDEX);
(NTCREATEUSERPROCESS)SYSTEMSERVICE(CREATEUSERPROCESS_7_INDEX) = newNtCreateUserProcess;
oldNtQueueApcThread = (NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_7_INDEX);
(NTQUEUEAPCTHREAD)SYSTEMSERVICE(QUEUEAPCTHREAD_7_INDEX) = newNtQueueApcThread;
oldNtWriteVirtualMemory = (NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_7_INDEX);
(NTWRITEVIRTUALMEMORY)SYSTEMSERVICE(WRITEVIRTUALMEMORY_7_INDEX) = newNtWriteVirtualMemory;
oldNtSystemDebugControl = (NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_7_INDEX);
(NTSYSTEMDEBUGCONTROL)SYSTEMSERVICE(SYSTEMDEBUGCONTROL_7_INDEX) = newNtSystemDebugControl;
oldNtMapViewOfSection = (NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_7_INDEX);
(NTMAPVIEWOFSECTION)SYSTEMSERVICE(MAPVIEWOFSECTION_7_INDEX) = newNtMapViewOfSection;
oldNtDebugActiveProcess = (NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_7_INDEX);
(NTDEBUGACTIVEPROCESS)SYSTEMSERVICE(DEBUGACTIVEPROCESS_7_INDEX) = newNtDebugActiveProcess;
oldNtOpenProcess = (NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_7_INDEX);
(NTOPENPROCESS)SYSTEMSERVICE(OPENPROCESS_7_INDEX) = newNtOpenProcess;
oldNtCreateProcess = (NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX);
(NTCREATEPROCESS)SYSTEMSERVICE(CREATEPROCESS_7_INDEX) = newNtCreateProcess;
oldNtCreateProcessEx = (NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX);
(NTCREATEPROCESSEX)SYSTEMSERVICE(CREATEPROCESSEX_7_INDEX) = newNtCreateProcessEx;
oldNtOpenThread = (NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_7_INDEX);
(NTOPENTHREAD)SYSTEMSERVICE(OPENTHREAD_7_INDEX) = newNtOpenThread;
oldNtQuerySystemInformation = (NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_7_INDEX);
(NTQUERYSYSTEMINFORMATION)SYSTEMSERVICE(QUERYSYSTEMINFORMATION_7_INDEX) = newNtQuerySystemInformation;
oldNtCreateFile = (NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_7_INDEX);
(NTCREATEFILE)SYSTEMSERVICE(CREATEFILE_7_INDEX) = newNtCreateFile;
oldNtReadFile = (NTREADFILE)SYSTEMSERVICE(READFILE_7_INDEX);
(NTREADFILE)SYSTEMSERVICE(READFILE_7_INDEX) = newNtReadFile;
oldNtWriteFile = (NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_7_INDEX);
(NTWRITEFILE)SYSTEMSERVICE(WRITEFILE_7_INDEX) = newNtWriteFile;
oldNtDeleteFile = (NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_7_INDEX);
(NTDELETEFILE)SYSTEMSERVICE(DELETEFILE_7_INDEX) = newNtDeleteFile;
oldNtSetInformationFile = (NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_7_INDEX);
(NTSETINFORMATIONFILE)SYSTEMSERVICE(SETINFORMATIONFILE_7_INDEX) = newNtSetInformationFile;
oldNtQueryInformationFile = (NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_7_INDEX);
(NTQUERYINFORMATIONFILE)SYSTEMSERVICE(QUERYINFORMATIONFILE_7_INDEX) = newNtQueryInformationFile;
oldNtCreateMutant = (NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_7_INDEX);
(NTCREATEMUTANT)SYSTEMSERVICE(CREATEMUTANT_7_INDEX) = newNtCreateMutant;
oldNtDeviceIoControlFile = (NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_7_INDEX);
(NTDEVICEIOCONTROLFILE)SYSTEMSERVICE(DEVICEIOCONTROLFILE_7_INDEX) = newNtDeviceIoControlFile;
oldNtTerminateProcess = (NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_7_INDEX);
(NTTERMINATEPROCESS)SYSTEMSERVICE(TERMINATEPROCESS_7_INDEX) = newNtTerminateProcess;
oldNtDelayExecution = (NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_7_INDEX);
(NTDELAYEXECUTION)SYSTEMSERVICE(DELAYEXECUTION_7_INDEX) = newNtDelayExecution;
oldNtQueryValueKey = (NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_7_INDEX);
(NTQUERYVALUEKEY)SYSTEMSERVICE(QUERYVALUEKEY_7_INDEX) = newNtQueryValueKey;
oldNtQueryAttributesFile = (NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_7_INDEX);
(NTQUERYATTRIBUTESFILE)SYSTEMSERVICE(QUERYATTRIBUTESFILE_7_INDEX) = newNtQueryAttributesFile;
oldNtReadVirtualMemory = (NTREADVIRTUALMEMORY)SYSTEMSERVICE(READVIRTUALMEMORY_7_INDEX);
(NTREADVIRTUALMEMORY)SYSTEMSERVICE(READVIRTUALMEMORY_7_INDEX) = newNtReadVirtualMemory;
oldNtResumeThread = (NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_7_INDEX);
(NTRESUMETHREAD)SYSTEMSERVICE(RESUMETHREAD_7_INDEX) = newNtResumeThread;
oldNtCreateSection = (NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_7_INDEX);
(NTCREATESECTION)SYSTEMSERVICE(CREATESECTION_7_INDEX) = newNtCreateSection;
oldNtUserCallNoParam = (NTUSERCALLNOPARAM)SHADOWSERVICE(USERCALLNOPARAM_7_INDEX);
(NTUSERCALLNOPARAM)SHADOWSERVICE(USERCALLNOPARAM_7_INDEX) = newNtUserCallNoParam;
oldNtLoadDriver = (NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_7_INDEX);
(NTLOADDRIVER)SYSTEMSERVICE(LOADDRIVER_7_INDEX) = newNtLoadDriver;
oldNtClose = (NTCLOSE)SYSTEMSERVICE(CLOSE_7_INDEX);
(NTCLOSE)SYSTEMSERVICE(CLOSE_7_INDEX) = newNtClose;
oldNtOpenFile = (NTOPENFILE)SYSTEMSERVICE(OPENFILE_7_INDEX);
(NTOPENFILE)SYSTEMSERVICE(OPENFILE_7_INDEX) = newNtOpenFile;
enable_cr0();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// get Shadow table address
// Parameters :
// None
// Return value :
// None
// Process :
// search in KeAddSystemServiceTable for LEA opcode, the first one will the one with the shadow table address,
// returns that address
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
pServiceDescriptorTableEntry getShadowTableAddress()
{
PUCHAR c;
for(c = (PUCHAR)&KeAddSystemServiceTable; c < (PUCHAR)&KeAddSystemServiceTable + PAGE_SIZE; c++)
{
if(*(PUSHORT)c == 0x888d)
return *(PVOID*)(c+2);
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Logs thread opening, and hides specific processes from the monitored processes.
// Parameters :
// See http://msdn.microsoft.com/en-us/library/bb432382(v=vs.85).aspx
// Return value :
// See http://msdn.microsoft.com/en-us/library/bb432382(v=vs.85).aspx
// Process :
// Calls the original function and if it succeeds, gets the targetThreadId by handle. If the targetProcessId is hidden
// closes the handle and returns STATUS_INVALID_PARAMETER.
// It the call failed, if ClientID is not NULL, copies the ClientID->UniqueThread parameter and
// logs it. If ClientID is NULL (XP / s2003), copies the ObjectAttributes->ObjectName parameter
// and logs it.
// TODO :
// - while blocking a call, restore the original *ThreadHandle value.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
NTSTATUS newNtOpenThread(PHANDLE ThreadHandle, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes, PCLIENT_ID ClientID)
{
NTSTATUS statusCall, exceptionCode;
ULONG currentProcessId, targetThreadId, targetProcessId;
USHORT log_lvl = LOG_ERROR;
PWCHAR parameter = NULL;
ULONG kUniqueThread;
HANDLE kThreadHandle;
UNICODE_STRING kObjectName;
kObjectName.Buffer = NULL;
currentProcessId = (ULONG)PsGetCurrentProcessId();
statusCall = ((NTOPENTHREAD)(oldNtOpenThread))(ThreadHandle, DesiredAccess, ObjectAttributes, ClientID);
if(isProcessMonitoredByPid(currentProcessId) && ExGetPreviousMode() != KernelMode)
{
GenericStackUnwind (__FUNCTION__);
parameter = ExAllocatePoolWithTag(NonPagedPool, (MAXSIZE+1)*sizeof(WCHAR), PROC_POOL_TAG);
#ifdef DEBUG
DbgPrint("call NtOpenThread\n");
#endif
if(NT_SUCCESS(statusCall))
{
__try
{
ProbeForRead(ThreadHandle, sizeof(HANDLE), 1);
kThreadHandle = *ThreadHandle;
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR",exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenThread", parameter);
else
sendLogs(currentProcessId, L"ZwOpenThread", L"0,-1,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->1");
if(parameter)
ExFreePool(parameter);
return statusCall;
}
targetThreadId = getTIDByHandle(kThreadHandle);
targetProcessId = getPIDByThreadHandle(kThreadHandle);
if(isProcessHiddenByPid(targetProcessId))
{
ZwClose(kThreadHandle);
if(parameter && RtlStringCchPrintfW(parameter, MAXSIZE, L"0,3221225485,sss,ThreadHandle->ERROR,TID->%d,DesiredAccess->0x%08x", targetThreadId, DesiredAccess))
sendLogs(currentProcessId, L"ZwOpenThread", parameter);
else
sendLogs(currentProcessId, L"ZwOpenThread", L"0,3221225485,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
ExFreePool(parameter);
return STATUS_INVALID_PARAMETER;
}
log_lvl = LOG_SUCCESS;
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"1,0,sss,ThreadHandle->0x%08x,TID->%d,DesiredAccess->0x%08x", kThreadHandle, targetThreadId, DesiredAccess)))
log_lvl = LOG_PARAM;
}
else
{
log_lvl = LOG_ERROR;
if(ClientID != NULL)
{
__try
{
ProbeForRead(ClientID, sizeof(CLIENT_ID), 1);
kUniqueThread = (ULONG)ClientID->UniqueThread;
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR", exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenThread", parameter);
else
sendLogs(currentProcessId, L"ZwOpenThread", L"0,-1,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
if(parameter)
ExFreePool(parameter);
return statusCall;
}
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,0,sss,ThreadHandle->ERROR,TID->%d,DesiredAccess->0x%08x", kUniqueThread, DesiredAccess)))
log_lvl = LOG_PARAM;
}
else
{
__try
{
ProbeForRead(ObjectAttributes, sizeof(OBJECT_ATTRIBUTES), 1);
ProbeForRead(ObjectAttributes->ObjectName, sizeof(UNICODE_STRING), 1);
ProbeForRead(ObjectAttributes->ObjectName->Buffer, ObjectAttributes->ObjectName->Length, 1);
kObjectName.Length = ObjectAttributes->ObjectName->Length;
kObjectName.MaximumLength = ObjectAttributes->ObjectName->Length;
kObjectName.Buffer = ExAllocatePoolWithTag(NonPagedPool, kObjectName.MaximumLength, BUFFER_TAG);
if(!kObjectName.Buffer)
{
if(parameter)
ExFreePool(parameter);
sendLogs(currentProcessId, L"ZwOpenThread", L"0,-1,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
return statusCall;
}
RtlCopyUnicodeString(&kObjectName, ObjectAttributes->ObjectName);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR", exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenThread", parameter);
else
sendLogs(currentProcessId, L"ZwOpenThread", L"0,-1,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
if(parameter)
ExFreePool(parameter);
if(kObjectName.Buffer)
ExFreePool(kObjectName.Buffer);
return statusCall;
}
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,0,sss,ThreadHandle->ERROR,TID->%wZ,DesiredAccess->0x%08x", &kObjectName, DesiredAccess)))
log_lvl = LOG_PARAM;
if(kObjectName.Buffer)
ExFreePool(kObjectName.Buffer);
}
}
switch(log_lvl)
{
case LOG_PARAM:
sendLogs(currentProcessId, L"ZwOpenThread", parameter);
break;
case LOG_SUCCESS:
sendLogs(currentProcessId, L"ZwOpenThread", L"0,-1,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
break;
default:
sendLogs(currentProcessId, L"ZwOpenThread", L"1,0,sss,ThreadHandle->ERROR,TID->ERROR,DesiredAccess->ERROR");
break;
}
if(parameter != NULL)
ExFreePool(parameter);
}
return statusCall;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Logs process opening (mandatory for most of code injection techniques), and hides specific
// processes from the monitored processes.
// Parameters :
// See http://msdn.microsoft.com/en-us/library/windows/hardware/ff567022(v=vs.85).aspx
// Return value :
// See http://msdn.microsoft.com/en-us/library/windows/hardware/ff567022(v=vs.85).aspx
// Process :
// Calls the original function and if it succeeds, gets the targetProcessId by handle. If the targetProcessId is hidden
// closes the handle and returns STATUS_INVALID_PARAMETER.
// It the call failed, if ClientID is not NULL, copies the ClientID->UniqueThread parameter and
// logs it. If ClientID is NULL (XP / s2003), copies the ObjectAttributes->ObjectName parameter
// and logs it.
// TODO :
// - while blocking a call, restore the original *ProcessHandle value.
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
NTSTATUS newNtOpenProcess(PHANDLE ProcessHandle, ACCESS_MASK DesiredAccess, POBJECT_ATTRIBUTES ObjectAttributes, PCLIENT_ID ClientID)
{
NTSTATUS statusCall, status, exceptionCode;
ULONG currentProcessId, i, targetProcessId;
USHORT log_lvl = LOG_ERROR;
UNICODE_STRING targetProcessName;
PWCHAR parameter = NULL;
HANDLE kRootDirectory, kProcessHandle;
UNICODE_STRING kObjectName;
ULONG kUniqueProcess;
kObjectName.Buffer = NULL;
targetProcessName.Buffer = NULL;
currentProcessId = (ULONG)PsGetCurrentProcessId();
statusCall = ((NTOPENPROCESS)(oldNtOpenProcess))(ProcessHandle, DesiredAccess, ObjectAttributes, ClientID);
if(isProcessMonitoredByPid(currentProcessId) && ExGetPreviousMode() != KernelMode)
{
GenericStackUnwind (__FUNCTION__);
#ifdef DEBUG
DbgPrint("call ZwOpenProcess\n");
#endif
parameter = ExAllocatePoolWithTag(NonPagedPool, (MAXSIZE+1)*sizeof(WCHAR), PROC_POOL_TAG);
targetProcessName.Length = 0;
targetProcessName.MaximumLength = NTSTRSAFE_UNICODE_STRING_MAX_CCH * sizeof(WCHAR);
targetProcessName.Buffer = ExAllocatePoolWithTag(NonPagedPool, targetProcessName.MaximumLength, PROCNAME_TAG);
if(NT_SUCCESS(statusCall))
{
__try
{
ProbeForRead(ProcessHandle, sizeof(HANDLE), 1);
kProcessHandle = *ProcessHandle;
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR",exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenProcess", parameter);
else
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->1");
ExFreePool(parameter);
return statusCall;;
}
targetProcessId = getPIDByHandle(kProcessHandle);
if(targetProcessName.Buffer)
status = getProcNameByPID(targetProcessId, &targetProcessName);
else
status = STATUS_NOT_FOUND;
if(isProcessHiddenByPid(targetProcessId))
{
ZwClose(kProcessHandle);
if(parameter && NT_SUCCESS(status) && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,-1,ssss,ProcessHandle->0x%08x,ProcessName->%wZ,PID->%d,DesiredAccess->0x%08x", kProcessHandle, &targetProcessName, targetProcessId, DesiredAccess)))
sendLogs(currentProcessId, L"ZwOpenProcess", parameter);
else
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR_HIDDEN,PID->ERROR,DesiredAccess->ERROR");
if(targetProcessName.Buffer)
ExFreePool(targetProcessName.Buffer);
if(parameter)
ExFreePool(parameter);
return STATUS_INVALID_PARAMETER;
}
log_lvl = LOG_SUCCESS;
if(parameter && NT_SUCCESS(status) && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"1,0,ssss,ProcessHandle->0x%08x,ProcessName->%wZ,PID->%d,DesiredAccess->0x%08x", kProcessHandle, &targetProcessName, targetProcessId, DesiredAccess)))
log_lvl = LOG_PARAM;
}
else
{
log_lvl = LOG_ERROR;
if(ClientID != NULL)
{
__try
{
ProbeForRead(ClientID, sizeof(CLIENT_ID), 1);
kUniqueProcess = (ULONG)ClientID->UniqueProcess;
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR", exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenProcess", parameter);
else
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR");
if(parameter)
ExFreePool(parameter);
if(targetProcessName.Buffer)
ExFreePool(targetProcessName.Buffer);
return statusCall;
}
if(targetProcessName.Buffer)
status = getProcNameByPID(kUniqueProcess, &targetProcessName);
else
status = STATUS_NOT_FOUND;
if(parameter && NT_SUCCESS(status) && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,ssss,ProcessHandle->ERROR,ProcessName->%wZ,PID->%d,DesiredAccess->0x%08x", statusCall,&targetProcessName, kUniqueProcess, DesiredAccess)))
log_lvl = LOG_PARAM;
}
else
{
__try
{
ProbeForRead(ObjectAttributes, sizeof(OBJECT_ATTRIBUTES), 1);
ProbeForRead(ObjectAttributes->ObjectName, sizeof(UNICODE_STRING), 1);
ProbeForRead(ObjectAttributes->ObjectName->Buffer, ObjectAttributes->ObjectName->Length, 1);
kObjectName.Length = ObjectAttributes->ObjectName->Length;
kObjectName.MaximumLength = ObjectAttributes->ObjectName->Length;
kObjectName.Buffer = ExAllocatePoolWithTag(NonPagedPool, kObjectName.MaximumLength, BUFFER_TAG);
if(kObjectName.Buffer)
RtlCopyUnicodeString(&kObjectName, ObjectAttributes->ObjectName);
else
{
if(parameter)
ExFreePool(parameter);
if(targetProcessName.Buffer)
ExFreePool(targetProcessName.Buffer);
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR");
return statusCall;
}
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
exceptionCode = GetExceptionCode();
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR", exceptionCode)))
sendLogs(currentProcessId, L"ZwOpenProcess", parameter);
else
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR");
if(parameter)
ExFreePool(parameter);
if(targetProcessName.Buffer)
ExFreePool(targetProcessName.Buffer);
if(kObjectName.Buffer)
ExFreePool(kObjectName.Buffer);
return statusCall;
}
if(parameter && kObjectName.Buffer && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,ssss,ProcessHandle->ERROR,ProcessName->%wZ,PID->ERROR,DesiredAccess->0x%08x", statusCall,&kObjectName,DesiredAccess)))
{
log_lvl = LOG_PARAM;
ExFreePool(kObjectName.Buffer);
}
}
}
switch(log_lvl)
{
case LOG_PARAM:
sendLogs(currentProcessId, L"ZwOpenProcess", parameter);
break;
case LOG_SUCCESS:
sendLogs(currentProcessId, L"ZwOpenProcess", L"0,-1,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR");
break;
default:
sendLogs(currentProcessId, L"ZwOpenProcess", L"1,0,ssss,ProcessHandle->ERROR,ProcessName->ERROR,PID->ERROR,DesiredAccess->ERROR");
break;
}
if(parameter != NULL)
ExFreePool(parameter);
if(targetProcessName.Buffer)
ExFreePool(targetProcessName.Buffer);
}
return statusCall;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Logs process information retrieval, and hides specific processes from the monitored processes.
// Parameters :
// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms725506(v=vs.85).aspx
// Return value :
// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms725506(v=vs.85).aspx
// Process :
// Checks the information type. If SystemProcessInformation (enumerate running processes), the
// hidden targetProcessIds are unlinked from the result (SYSTEM_PROCESS_INFORMATION linked list).
// Todo :
// - Hide also thread listing
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
NTSTATUS newNtQuerySystemInformation(SYSTEM_INFORMATION_CLASS SystemInformationClass, PVOID SystemInformation, ULONG SystemInformationLength, PULONG ReturnLength)
{
NTSTATUS statusCall;
ULONG currentProcessId, targetThreadId, i;
USHORT log_lvl = LOG_ERROR;
PSYSTEM_PROCESS_INFORMATION pSystemProcessInformation = NULL, pPrev = NULL;
PWCHAR parameter = NULL;
currentProcessId = (ULONG)PsGetCurrentProcessId();
statusCall = ((NTQUERYSYSTEMINFORMATION)(oldNtQuerySystemInformation))(SystemInformationClass, SystemInformation, SystemInformationLength, ReturnLength);
if(isProcessMonitoredByPid(currentProcessId) && ExGetPreviousMode() != KernelMode)
{
#ifdef DEBUG
DbgPrint("call ZwQuerySystemInformation\n");
#endif
if(NT_SUCCESS(statusCall))
{
if(SystemInformationClass == SystemProcessInformation)
{
pSystemProcessInformation = (PSYSTEM_PROCESS_INFORMATION)SystemInformation;
pPrev = pSystemProcessInformation;
while(pSystemProcessInformation->NextEntryOffset)
{
if(isProcessHiddenByPid((ULONG)pSystemProcessInformation->ProcessId))
pPrev->NextEntryOffset += pSystemProcessInformation->NextEntryOffset; // UNLINK
pPrev = pSystemProcessInformation;
pSystemProcessInformation = (PSYSTEM_PROCESS_INFORMATION)((char*)pSystemProcessInformation + pSystemProcessInformation->NextEntryOffset);
}
sendLogs(currentProcessId, L"ZwQuerySystemInformation",L"1,0,s,SystemInformationClass->5");
return statusCall;
}
else
{
log_lvl = LOG_SUCCESS;
parameter = ExAllocatePoolWithTag(NonPagedPool, (MAXSIZE+1)*sizeof(WCHAR), PROC_POOL_TAG);
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"1,0,s,SystemInformationClass->%d", SystemInformationClass)))
log_lvl = LOG_PARAM;
}
}
else
{
log_lvl = LOG_ERROR;
parameter = ExAllocatePoolWithTag(NonPagedPool, (MAXSIZE+1)*sizeof(WCHAR), PROC_POOL_TAG);
if(parameter && NT_SUCCESS(RtlStringCchPrintfW(parameter, MAXSIZE, L"0,%d,s,SystemInformationClass->%d", statusCall, SystemInformationClass)))
log_lvl = LOG_PARAM;
}
switch(log_lvl)
{
case LOG_PARAM:
sendLogs(currentProcessId, L"ZwQuerySystemInformation", parameter);
break;
case LOG_SUCCESS:
sendLogs(currentProcessId, L"ZwQuerySystemInformation", L"0,-1,s,SystemInformationClass->ERROR");
break;
default:
sendLogs(currentProcessId, L"ZwQuerySystemInformation", L"1,0,s,SystemInformationClass->ERROR");
break;
}
if(parameter != NULL)
ExFreePool(parameter);
}
return statusCall;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Description :
// Logs virtual memory read.
// Parameters :