比如32位程序在用户层调用了

ZwOpenSection(
PHANDLE SectionHandle,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttribute);

POBJECT_ATTRIBUTES 结构

typedef struct _OBJECT_ATTRIBUTES {
    ULONG Length;
    HANDLE RootDirectory;
  [COLOR="red"]  PUNICODE_STRING ObjectName;[/COLOR]
    ULONG Attributes;
    PVOID SecurityDescriptor;        // Points to type SECURITY_DESCRIPTOR
    PVOID SecurityQualityOfService;  // Points to type SECURITY_QUALITY_OF_SERVICE
} OBJECT_ATTRIBUTES;
typedef OBJECT_ATTRIBUTES *POBJECT_ATTRIBUTES;

在64位内核. 想修改ObjectAttribute里面的ObjectName 

NTSTATUS NTAPI NtOpenSection(..,..,POBJECT_ATTRIBUTES ObjectAttribute)
{
   //保证 ObjectAttribute 不为0.且 ObjectName 有内容
   
    DbgPrint("%llx",ObjectAttribute); // 为32位地址 
   
    RtlInitUnicodeString(ObjectAttribute->ObjectName,L"修改的内容");  // 这样不行
   
    ObjectAttribute->ObjectName->Buffer[0] = L'M';  //这样直接 except

    swprintf_s(ObjectAttribute->ObjectName->Buffer,ObjectAttribute->ObjectName->Length,L"%ws", "info");  //这样也不行 except

      UNICODE_STRING _Path;

      RtlInitUnicodeString(&_Path,L"info");

      ObjectAttribute->ObjectName = &_Path ;         //也不行

}

what should i do ?

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