Metadatacopystruct _SEP_SID_VALUES_BLOCK { unsigned long BlockLength;/* 0x0 4 */ /* 4 bytes padding */ __int64 ReferenceCount;/* 0x8 8 */ unsigned long SidCount;/* 0x10 4 */ /* 4 bytes padding */ unsigned __int64 SidValuesStart;/* 0x18 8 */};