#include <ntddk.h> typedef struct _SERVICE_DESCRIPTOR_TABLE { /* * Table containing cServices elements of pointers to service handler * functions, indexed by service ID. */ PULONG ServiceTable; /* * Table that counts how many times each service is used. This table * is only updated in checked builds. */ PULONG CounterTable; /* * Number of services contained in this table. */ ULONG TableSize; /* * Table containing the number of bytes of parameters the handler * function takes. */ PUCHAR ArgumentTable; } SERVICE_DESCRIPTOR_TABLE, *PSERVICE_DESCRIPTOR_TABLE; typedef NTSTATUS (*ZWCREATEFILE)( OUT PHANDLE FileHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes, OUT PIO_STATUS_BLOCK IoStatusBlock, IN PLARGE_INTEGER AllocationSize OPTIONAL, IN ULONG FileAttributes, IN ULONG ShareAccess, IN ULONG CreateDisposition, IN ULONG CreateOptions, IN PVOID EaBuffer OPTIONAL, IN ULONG EaLength ); static ZWCREATEFILE OldZwCreateFile; extern PSERVICE_DESCRIPTOR_TABLE KeServiceDescriptorTable; #define SSDKREPLACE(_function) KeServiceDescriptorTable->ServiceTable[ *(PULONG)((PUCHAR)_function+1)] #define SDT SSDKREPLACE void EndHookSSDT() { __asm { push eax mov eax, CR0 and eax, 0FFFEFFFFh mov CR0, eax pop eax } (ZWCREATEFILE)InterlockedExchange((PLONG)&SDT(ZwCreateFile),(LONG)OldZwCreateFile); __asm { push eax mov eax, CR0 or eax, NOT 0FFFEFFFFh mov CR0, eax pop eax } } void DriverUnLoad(PDRIVER_OBJECT pDriver) { KdPrint(("DriverUnload...")); EndHookSSDT(); return ; } void PrintfSSDT() { int i=0; while(i < KeServiceDescriptorTable->TableSize) { KdPrint(("%d--->%X\n",i+1,KeServiceDescriptorTable->ServiceTable[i++])); } } NTSTATUS Hook_ZwCreateFile( OUT PHANDLE FileHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes, OUT PIO_STATUS_BLOCK IoStatusBlock, IN PLARGE_INTEGER AllocationSize OPTIONAL, IN ULONG FileAttributes, IN ULONG ShareAccess, IN ULONG CreateDisposition, IN ULONG CreateOptions, IN PVOID EaBuffer OPTIONAL, IN ULONG EaLength ) { NTSTATUS rc; rc = OldZwCreateFile(FileHandle,DesiredAccess,ObjectAttributes,IoStatusBlock, AllocationSize,FileAttributes,ShareAccess,CreateDisposition, CreateOptions,EaBuffer,EaLength); KdPrint(("new createfile-->%wZ",ObjectAttributes->ObjectName)); return rc; } void StartHookSSDT() { __asm { push eax mov eax, CR0 and eax, 0FFFEFFFFh mov CR0, eax pop eax } OldZwCreateFile = (ZWCREATEFILE)InterlockedExchange((PLONG)&SDT(ZwCreateFile),(LONG)Hook_ZwCreateFile); __asm { push eax mov eax, CR0 or eax, NOT 0FFFEFFFFh mov CR0, eax pop eax } } NTSTATUS DriverEntry(PDRIVER_OBJECT pDrvObj,PUNICODE_STRING pRegPath) { KdPrint(("Driver Load...")); pDrvObj->DriverUnload = DriverUnLoad; PrintfSSDT(); StartHookSSDT(); return STATUS_SUCCESS; }
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More Eric Meyer on CSS (Voices That Matter)
Eric A. Meyer / New Riders Press / 2004-04-08 / USD 45.00
Ready to commit to using more CSS on your sites? If you are a hands-on learner who has been toying with CSS and want to experiment with real-world projects that will enable you to see how CSS......一起来看看 《More Eric Meyer on CSS (Voices That Matter)》 这本书的介绍吧!