Win7 x64下进程保护与文件保护(ObRegisterCallbacks)

末蓝、 2023-10-12 02:41 97阅读 0赞

转载:[https://www.cnblogs.com/aliflycoris/p/5468175.html][https_www.cnblogs.com_aliflycoris_p_5468175.html]

进程保护部分参考 [http://bbs.pediy.com/showthread.php?t=168023][http_bbs.pediy.com_showthread.php_t_168023]

进程保护，在任务管理器不能结束进程

![复制代码][Image 1]

#ifndef CXX_PROTECTPROCESSX64_H
    #define CXX_PROTECTPROCESSX64_H
    
    #include <ntifs.h>
    
    #define PROCESS_TERMINATE         0x0001  
    #define PROCESS_VM_OPERATION      0x0008  
    #define PROCESS_VM_READ           0x0010  
    #define PROCESS_VM_WRITE          0x0020  
    
    NTSTATUS DriverEntry(IN PDRIVER_OBJECT pDriverObj, IN PUNICODE_STRING pRegistryString);
    
    VOID DriverUnload(IN PDRIVER_OBJECT pDriverObj);
    
    typedef struct _LDR_DATA_TABLE_ENTRY64
    {
        LIST_ENTRY64    InLoadOrderLinks;
        LIST_ENTRY64    InMemoryOrderLinks;
        LIST_ENTRY64    InInitializationOrderLinks;
        PVOID            DllBase;
        PVOID            EntryPoint;
        ULONG            SizeOfImage;
        UNICODE_STRING    FullDllName;
        UNICODE_STRING     BaseDllName;
        ULONG            Flags;
        USHORT            LoadCount;
        USHORT            TlsIndex;
        PVOID            SectionPointer;
        ULONG            CheckSum;
        PVOID            LoadedImports;
        PVOID            EntryPointActivationContext;
        PVOID            PatchInformation;
        LIST_ENTRY64    ForwarderLinks;
        LIST_ENTRY64    ServiceTagLinks;
        LIST_ENTRY64    StaticLinks;
        PVOID            ContextInformation;
        ULONG64            OriginalBase;
        LARGE_INTEGER    LoadTime;
    } LDR_DATA_TABLE_ENTRY64, *PLDR_DATA_TABLE_ENTRY64;
    
    extern 
        UCHAR *
        PsGetProcessImageFileName(
        __in PEPROCESS Process
        );
    char*
        GetProcessImageNameByProcessID(ULONG ulProcessID);
    
    NTSTATUS ProtectProcess(BOOLEAN Enable);
    
    OB_PREOP_CALLBACK_STATUS 
        preCall(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION pOperationInformation);
    
    #endif    
    
    
    
    
    
    
    
    #ifndef CXX_PROTECTPROCESSX64_H
    #    include "ProtectProcessx64.h"
    #endif
    
    
    PVOID obHandle;//定义一个void*类型的变量，它将会作为ObRegisterCallbacks函数的第二个参数。
    
    NTSTATUS
    DriverEntry(IN PDRIVER_OBJECT pDriverObj, IN PUNICODE_STRING pRegistryString)
    {
        NTSTATUS status = STATUS_SUCCESS;
        PLDR_DATA_TABLE_ENTRY64 ldr;
    
        pDriverObj->DriverUnload = DriverUnload;
        // 绕过MmVerifyCallbackFunction。
        ldr = (PLDR_DATA_TABLE_ENTRY64)pDriverObj->DriverSection;
        ldr->Flags |= 0x20;
    
        ProtectProcess(TRUE);
    
        return STATUS_SUCCESS;
    }
    
    
    
    NTSTATUS ProtectProcess(BOOLEAN Enable)
    {
    
        OB_CALLBACK_REGISTRATION obReg;
        OB_OPERATION_REGISTRATION opReg;
    
        memset(&obReg, 0, sizeof(obReg));
        obReg.Version = ObGetFilterVersion();
        obReg.OperationRegistrationCount = 1;
        obReg.RegistrationContext = NULL;
        RtlInitUnicodeString(&obReg.Altitude, L"321000");
        memset(&opReg, 0, sizeof(opReg)); //初始化结构体变量
    
        //下面请注意这个结构体的成员字段的设置
        opReg.ObjectType = PsProcessType;
        opReg.Operations = OB_OPERATION_HANDLE_CREATE|OB_OPERATION_HANDLE_DUPLICATE; 
    
        opReg.PreOperation = (POB_PRE_OPERATION_CALLBACK)&preCall; //在这里注册一个回调函数指针
    
        obReg.OperationRegistration = &opReg; //注意这一条语句
    
        return ObRegisterCallbacks(&obReg, &obHandle); //在这里注册回调函数
    }
    
    
    OB_PREOP_CALLBACK_STATUS 
        preCall(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION pOperationInformation)
    {
        HANDLE pid = PsGetProcessId((PEPROCESS)pOperationInformation->Object);
        char szProcName[16]={
         0};
        UNREFERENCED_PARAMETER(RegistrationContext);
        strcpy(szProcName,GetProcessImageNameByProcessID((ULONG)pid));
        if( !_stricmp(szProcName,"calc.exe") )
        {
            if (pOperationInformation->Operation == OB_OPERATION_HANDLE_CREATE)
            {
                if ((pOperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess & PROCESS_TERMINATE) == PROCESS_TERMINATE)
                {
                    //Terminate the process, such as by calling the user-mode TerminateProcess routine..
                    pOperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~PROCESS_TERMINATE;
                }
                if ((pOperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess & PROCESS_VM_OPERATION) == PROCESS_VM_OPERATION)
                {
                    //Modify the address space of the process, such as by calling the user-mode WriteProcessMemory and VirtualProtectEx routines.
                    pOperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~PROCESS_VM_OPERATION;
                }
                if ((pOperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess & PROCESS_VM_READ) == PROCESS_VM_READ)
                {
                    //Read to the address space of the process, such as by calling the user-mode ReadProcessMemory routine.
                    pOperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~PROCESS_VM_READ;
                }
                if ((pOperationInformation->Parameters->CreateHandleInformation.OriginalDesiredAccess & PROCESS_VM_WRITE) == PROCESS_VM_WRITE)
                {
                    //Write to the address space of the process, such as by calling the user-mode WriteProcessMemory routine.
                    pOperationInformation->Parameters->CreateHandleInformation.DesiredAccess &= ~PROCESS_VM_WRITE;
                }
            }
        }
        return OB_PREOP_SUCCESS;
    }
    
    
    /*
    OpenProcess 会一直走入回调中  直接蓝屏
    char*
        GetProcessImageNameByProcessID(ULONG ulProcessID)
    {
        CLIENT_ID Cid;    
        HANDLE    hProcess;
        NTSTATUS  Status;
        OBJECT_ATTRIBUTES  oa;
        PEPROCESS  EProcess = NULL;
    
        Cid.UniqueProcess = (HANDLE)ulProcessID;
        Cid.UniqueThread = 0;
    
        InitializeObjectAttributes(&oa,0,0,0,0);
        Status = ZwOpenProcess(&hProcess,PROCESS_ALL_ACCESS,&oa,&Cid);    //hProcess
        //强打开进程获得句柄
        if (!NT_SUCCESS(Status))
        {
            return FALSE;
        }
        Status = ObReferenceObjectByHandle(hProcess,FILE_READ_DATA,0,
            KernelMode,&EProcess, 0);
        //通过句柄括获取EProcess
        if (!NT_SUCCESS(Status))
        {
            ZwClose(hProcess);
            return FALSE;
        }
        ObDereferenceObject(EProcess);
        //最好判断
        ZwClose(hProcess);
        //通过EProcess获得进程名称
        return (char*)PsGetProcessImageFileName(EProcess);     
        
    }
    */
    
    
    
    
    char*
        GetProcessImageNameByProcessID(ULONG ulProcessID)
    {
        NTSTATUS  Status;
        PEPROCESS  EProcess = NULL;
    
        
        Status = PsLookupProcessByProcessId((HANDLE)ulProcessID,&EProcess);    //EPROCESS
    
        //通过句柄获取EProcess
        if (!NT_SUCCESS(Status))
        {
            return FALSE;
        }
        ObDereferenceObject(EProcess);
        //通过EProcess获得进程名称
        return (char*)PsGetProcessImageFileName(EProcess);     
    
    }
    
    
    
    VOID
    DriverUnload(IN PDRIVER_OBJECT pDriverObj)
    {    
        UNREFERENCED_PARAMETER(pDriverObj);
        DbgPrint("driver unloading...\n");
    
        ObUnRegisterCallbacks(obHandle); //obHandle是上面定义的 PVOID obHandle;
    }

![复制代码][Image 1]

我们使用任务管理器结束进程

![763402-20160910132605738-98150439.png][]

结果是不能关闭的

![763402-20160910132622707-66631357.png][]

文件保护

![复制代码][Image 1]

#ifndef CXX_FILEPROTECTX64_H
    #define CXX_FILEPROTECTX64_H
    #include <ntifs.h>
    #include <devioctl.h>
    NTSTATUS
        DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegisterPath);
    VOID UnloadDriver(PDRIVER_OBJECT  DriverObject);
    typedef struct _LDR_DATA_TABLE_ENTRY64
    {
        LIST_ENTRY64    InLoadOrderLinks;
        LIST_ENTRY64    InMemoryOrderLinks;
        LIST_ENTRY64    InInitializationOrderLinks;
        PVOID            DllBase;
        PVOID            EntryPoint;
        ULONG            SizeOfImage;
        UNICODE_STRING    FullDllName;
        UNICODE_STRING     BaseDllName;
        ULONG            Flags;
        USHORT            LoadCount;
        USHORT            TlsIndex;
        PVOID            SectionPointer;
        ULONG            CheckSum;
        PVOID            LoadedImports;
        PVOID            EntryPointActivationContext;
        PVOID            PatchInformation;
        LIST_ENTRY64    ForwarderLinks;
        LIST_ENTRY64    ServiceTagLinks;
        LIST_ENTRY64    StaticLinks;
        PVOID            ContextInformation;
        ULONG64            OriginalBase;
        LARGE_INTEGER    LoadTime;
    } LDR_DATA_TABLE_ENTRY64, *PLDR_DATA_TABLE_ENTRY64;
    
    typedef struct _OBJECT_TYPE_INITIALIZER                                                                                                                                        
    {
        UINT16       Length;
        union                                                                                                                                                                       
        {
            UINT8        ObjectTypeFlags;
            struct                                                                                                                                                                
            {
                UINT8        CaseInsensitive : 1;                                                                                     UINT8        UnnamedObjectsOnly : 1;                                                                                  UINT8        UseDefaultObject : 1;                                                                                    UINT8        SecurityRequired : 1;                                                                                    UINT8        MaintainHandleCount : 1;                                                                                 UINT8        MaintainTypeList : 1;                                                                                    UINT8        SupportsObjectCallbacks : 1;                                                                                                                         
            };
        };
        ULONG32      ObjectTypeCode;
        ULONG32      InvalidAttributes;
        struct _GENERIC_MAPPING GenericMapping;                                                                                                                                     
        ULONG32      ValidAccessMask;
        ULONG32      RetainAccess;
        enum _POOL_TYPE PoolType;
        ULONG32      DefaultPagedPoolCharge;
        ULONG32      DefaultNonPagedPoolCharge;
        PVOID        DumpProcedure;
        PVOID        OpenProcedure;
        PVOID         CloseProcedure;
        PVOID         DeleteProcedure;
        PVOID         ParseProcedure;
        PVOID        SecurityProcedure;
        PVOID         QueryNameProcedure;
        PVOID         OkayToCloseProcedure;
    }OBJECT_TYPE_INITIALIZER, *POBJECT_TYPE_INITIALIZER;
    
    typedef struct _OBJECT_TYPE_TEMP                   
    {
        struct _LIST_ENTRY TypeList;             
        struct _UNICODE_STRING Name;             
        VOID*        DefaultObject;
        UINT8        Index;
        UINT8        _PADDING0_[0x3];
        ULONG32      TotalNumberOfObjects;
        ULONG32      TotalNumberOfHandles;
        ULONG32      HighWaterNumberOfObjects;
        ULONG32      HighWaterNumberOfHandles;
        UINT8        _PADDING1_[0x4];
        struct _OBJECT_TYPE_INITIALIZER TypeInfo; 
        ULONG64 TypeLock;          
        ULONG32      Key;
        UINT8        _PADDING2_[0x4];
        struct _LIST_ENTRY CallbackList;        
    }OBJECT_TYPE_TEMP, *POBJECT_TYPE_TEMP;
    
    VOID EnableObType(POBJECT_TYPE ObjectType);
    UNICODE_STRING  GetFilePathByFileObject(PVOID FileObject);
    OB_PREOP_CALLBACK_STATUS PreCallBack(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation);
    NTSTATUS ProtectFileByObRegisterCallbacks();
    #endif    
    
    
    
    
    
    
    
    
    
    
    
    #ifndef CXX_FILEPROTECTX64_H
    #    include "FileProtectX64.h"
    #endif
    PVOID  CallBackHandle = NULL;
    NTSTATUS
        DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegisterPath)
    {    
    
        PLDR_DATA_TABLE_ENTRY64 ldr;
        DriverObject->DriverUnload = UnloadDriver;
        ldr = (PLDR_DATA_TABLE_ENTRY64)DriverObject->DriverSection;
        ldr->Flags |= 0x20;
        ProtectFileByObRegisterCallbacks();
        return STATUS_SUCCESS;
    }
    NTSTATUS ProtectFileByObRegisterCallbacks()
    {
        OB_CALLBACK_REGISTRATION  CallBackReg;
        OB_OPERATION_REGISTRATION OperationReg;
        NTSTATUS  Status;
        
        EnableObType(*IoFileObjectType);      //开启文件对象回调
        memset(&CallBackReg, 0, sizeof(OB_CALLBACK_REGISTRATION));
        CallBackReg.Version = ObGetFilterVersion();
        CallBackReg.OperationRegistrationCount = 1;
        CallBackReg.RegistrationContext = NULL;
        RtlInitUnicodeString(&CallBackReg.Altitude, L"321000");
        memset(&OperationReg, 0, sizeof(OB_OPERATION_REGISTRATION)); //初始化结构体变量
    
    
        OperationReg.ObjectType = IoFileObjectType;
        OperationReg.Operations = OB_OPERATION_HANDLE_CREATE|OB_OPERATION_HANDLE_DUPLICATE; 
        
        OperationReg.PreOperation = (POB_PRE_OPERATION_CALLBACK)&PreCallBack; //在这里注册一个回调函数指针
        CallBackReg.OperationRegistration = &OperationReg; //注意这一条语句   将结构体信息放入大结构体
        Status = ObRegisterCallbacks(&CallBackReg, &CallBackHandle);     
        if (!NT_SUCCESS(Status)) 
        {
            Status = STATUS_UNSUCCESSFUL;
        } 
        else
        {
            Status = STATUS_SUCCESS;
        }
        return Status; 
    }
    
    OB_PREOP_CALLBACK_STATUS PreCallBack(PVOID RegistrationContext, POB_PRE_OPERATION_INFORMATION OperationInformation)
    {
        UNICODE_STRING uniDosName;
        UNICODE_STRING uniFilePath;
        PFILE_OBJECT FileObject = (PFILE_OBJECT)OperationInformation->Object;
        HANDLE CurrentProcessId = PsGetCurrentProcessId();
        if( OperationInformation->ObjectType!=*IoFileObjectType)
        {
            return OB_PREOP_SUCCESS;
        }
        //过滤无效指针
        if(    FileObject->FileName.Buffer==NULL                || 
            !MmIsAddressValid(FileObject->FileName.Buffer)    ||
            FileObject->DeviceObject==NULL                    ||
            !MmIsAddressValid(FileObject->DeviceObject)        )
        {
            return OB_PREOP_SUCCESS;
        }
        uniFilePath = GetFilePathByFileObject(FileObject);
        if (uniFilePath.Buffer==NULL||uniFilePath.Length==0)
        {
            return OB_PREOP_SUCCESS;
        }
        if(wcsstr(uniFilePath.Buffer,L"D:\\Test.txt"))
        {
            if (FileObject->DeleteAccess==TRUE||FileObject->WriteAccess==TRUE)
            {
                if (OperationInformation->Operation == OB_OPERATION_HANDLE_CREATE)
                {
                    OperationInformation->Parameters->CreateHandleInformation.DesiredAccess=0;
                }
                if(OperationInformation->Operation == OB_OPERATION_HANDLE_DUPLICATE)
                {
                    OperationInformation->Parameters->DuplicateHandleInformation.DesiredAccess=0;
                }
            }
        }
        RtlVolumeDeviceToDosName(FileObject->DeviceObject, &uniDosName);
        DbgPrint("PID : %ld File : %wZ  %wZ\r\n", (ULONG64)CurrentProcessId, &uniDosName, &uniFilePath);
        return OB_PREOP_SUCCESS;
    }
    UNICODE_STRING  GetFilePathByFileObject(PVOID FileObject)
    {
        POBJECT_NAME_INFORMATION ObjetNameInfor;  
        if (NT_SUCCESS(IoQueryFileDosDeviceName((PFILE_OBJECT)FileObject, &ObjetNameInfor)))  
        {  
            return ObjetNameInfor->Name;  
        }  
    }
    VOID EnableObType(POBJECT_TYPE ObjectType)  
    {
        POBJECT_TYPE_TEMP  ObjectTypeTemp = (POBJECT_TYPE_TEMP)ObjectType;
        ObjectTypeTemp->TypeInfo.SupportsObjectCallbacks = 1;
    }
    VOID UnloadDriver(PDRIVER_OBJECT  DriverObject)
    {
        if (CallBackHandle!=NULL)
        {
            ObUnRegisterCallbacks(CallBackHandle);
        }
        DbgPrint("UnloadDriver\r\n");
    }

![复制代码][Image 1]

转载于:https://www.cnblogs.com/kuangke/p/11133838.html

[https_www.cnblogs.com_aliflycoris_p_5468175.html]: https://www.cnblogs.com/aliflycoris/p/5468175.html
[http_bbs.pediy.com_showthread.php_t_168023]: http://bbs.pediy.com/showthread.php?t=168023
[Image 1]: 
[763402-20160910132605738-98150439.png]: https://images2015.cnblogs.com/blog/763402/201609/763402-20160910132605738-98150439.png
[763402-20160910132622707-66631357.png]: https://images2015.cnblogs.com/blog/763402/201609/763402-20160910132622707-66631357.png