struct _PS_TRUSTLET_ATTRIBUTE_HEADER// Size=0x8
{
    struct _PS_TRUSTLET_ATTRIBUTE_TYPE AttributeType;// Offset=0x0 Size=0x4
    unsigned long InstanceNumber:8;// Offset=0x4 Size=0x4 BitOffset=0x0 BitSize=0x8
    unsigned long Reserved:24;// Offset=0x4 Size=0x4 BitOffset=0x8 BitSize=0x18
};