PipCreateComputerId

NTSTATUS __stdcall PipCreateComputerId(
        VOID *ComputerIdsKeyHandle,
        _UNICODE_STRING **StringList,
        UINT64 StringCount,
        _LPGUID ComputerId){
  unsigned int v4; 
  unsigned __int16 v8; 
  unsigned int v9; 
  _WORD **v10; 
  _WORD *v11; 
  unsigned __int16 v12; 
  unsigned __int16 v13; 
  VOID **PoolWithTag; 
  VOID **v15; 
  _WORD *v16; 
  int v17; 
  int Class5Guid; 
  UINT64 v19; 
  VOID *Data; 
  UINT64 DataSize; 
  UINT64 DataSizea; 
  _UNICODE_STRING DestinationString; 
  VOID *KeyHandle; 
  WCHAR GuidString[40]; 
  WCHAR pszDest[48]; 
  _GUID *Guid; 

  v4 = 0;
  KeyHandle = ComputerIdsKeyHandle;
  v8 = 0;
  v9 = 0;
  DestinationString = 0i64;
  if( !ComputerId )
    return -1073741811;
  v10 = (_WORD **)StringCount;
  do
  {
    v11 = *v10;
    v12 = v8 + 2;
    ++v10;
    if( !v9 )
      v12 = v8;
    ++v9;
    v8 = *v11 + v12;
  }
  while( v9 < ComputerId );
  if( v8 <= 2u )
    return -1073741811;
  v13 = v8 + 2;
  PoolWithTag = ExAllocatePoolWithTag(1ui64, v13, 1852403792i64);
  v15 = PoolWithTag;
  if( !PoolWithTag )
    return -1073741670;
  v16 = PoolWithTag;
  do
  {
    if( v4 )
      *v16++ = 38;
    if( **(_WORD **)StringCount )
    {
      memmove(v16, *(const VOID **)(*(_QWORD *)StringCount + 8i64), **(unsigned __int16 **)StringCount);
      v16 += (unsigned __int64)**(unsigned __int16 **)StringCount >> 1;
    }
    ++v4;
    StringCount += 8i64;
  }
  while( v4 < ComputerId );
  *v16 = 0;
  v17 = v13;
  Class5Guid = RtlGenerateClass5Guid(&NamespaceGuid, v15, (unsigned int)v13 - 2, Guid);
  if( Class5Guid >= 0 )
  {
    Class5Guid = PnpStringFromGuid(Guid, GuidString, v19);
    if( Class5Guid >= 0 )
    {
      RtlInitUnicodeString(&DestinationString, GuidString);
      LODWORD(DataSize) = v17;
      Class5Guid = ZwSetValueKey(KeyHandle, &DestinationString, 0i64, 1ui64, v15, DataSize);
      if( Class5Guid >= 0 )
      {
        if( StringList )
        {
          LODWORD(Data) = 2048;
          Class5Guid = RtlStringCbPrintfExW(pszDest, 0x5Cui64, 0i64, 0i64, (UINT64)Data, (WCHAR *)L"%ws_%ws");
          if( Class5Guid >= 0 )
          {
            RtlInitUnicodeString(&DestinationString, pszDest);
            LODWORD(DataSizea) = 0;
            Class5Guid = ZwSetValueKey(StringList, &DestinationString, 0i64, 1ui64, 0i64, DataSizea);
          }
        }
      }
    }
  }
  ExFreePoolWithTag(v15, 0);
  return Class5Guid;
}

Referenced by: