ExInitializeLeapSecondData

INT64 __stdcall ExInitializeLeapSecondData(){
  NTSTATUS v0; 
  _LOADER_PARAMETER_BLOCK *v1; 
  ULONG_PTR v2; 
  UINT64 v3; 
  _MDL *PoolWithTag; 
  struct _MDL *v5; 
  __int16 v6; 
  BOOL *v7; 
  PVOID *Object; 
  POBJECT_HANDLE_INFORMATION HandleInformation; 
  _LARGE_INTEGER v11[7]; 
  PVOID MappedBase; 
  HANDLE Handle; 
  PVOID Section; 
  ULONG_PTR ViewSize; 
  Handle = 0i64;
  v11[0].QuadPart = 4096i64;
  LODWORD(HandleInformation) = 0x8000000;
  LODWORD(Object) = 4;
  v0 = ZwCreateSection(&Handle, 6ui64, 0i64, v11, (UINT64)Object, (UINT64)HandleInformation, 0i64);
  if( v0 >= 0 )
  {
    Section = 0i64;
    v0 = ObReferenceObjectByHandle(Handle, 6u, MmSectionObjectType, 0, &Section, 0i64);
    if( v0 >= 0 )
    {
      MappedBase = 0i64;
      ViewSize = 0i64;
      v1 = (_LOADER_PARAMETER_BLOCK *)Section;
      v0 = MmMapViewInSystemSpace(Section, &MappedBase, &ViewSize);
      if( v0 >= 0 )
      {
        v2 = ViewSize;
        v3 = MmSizeOfMdl(MappedBase, ViewSize);
        PoolWithTag = (_MDL *)ExAllocatePoolWithTag(NonPagedPoolNx, v3, 0x6453704Cui64);
        v5 = PoolWithTag;
        if( !PoolWithTag )
          goto LABEL_11;
        PoolWithTag->Next = 0i64;
        v6 = (__int16)MappedBase;
        PoolWithTag->Size = 8 * (((((unsigned __int16)MappedBase & 0xFFF) + v2 + 4095) >> 12) + 6);
        PoolWithTag->MdlFlags = 0;
        PoolWithTag->StartVa = (void *)((unsigned __int64)MappedBase & 0xFFFFFFFFFFFFF000ui64);
        PoolWithTag->ByteOffset = v6 & 0xFFF;
        PoolWithTag->ByteCount = v2;
        MmProbeAndLockPages(PoolWithTag, 0, IoWriteAccess);
        v7 = (BOOL *)MmMapLockedPagesSpecifyCache(v5, 0, MmCached, 0i64, 0, 0x40000010u);
        if( v7 )
        {
          v0 = MmUnmapViewInSystemSpace(MappedBase);
          if( v0 >= 0 )
          {
            ExpLeapSecondDataLock = 0i64;
            ExLeapSecondDataSectionPointer = v1;
            memset((INT64)v7, 0i64);
            ExpReadLeapSecondData(v7, 0);
            ExLeapSecondData = v7;
          }
        }
        else
        {
LABEL_11:
          v0 = -1073741801;
        }
      }
    }
  }
  if( Handle )
    ZwClose(Handle);
  return(unsigned int)v0;
}

Referenced by: