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//0x50 bytes (sizeof)
struct _ETW_STACK_TRACE_BLOCK
{
    union _LARGE_INTEGER RelatedTimestamp;                                  //0x0
    struct _ETHREAD* Thread;                                                //0x8
    struct _KDPC StackWalkDpc;                                              //0xc
    union _SLIST_HEADER ApcListHead;                                        //0x30
    struct _ETW_APC_ENTRY* ApcEntry;                                        //0x38
    ULONG ApcEntryCount;                                                    //0x3c
    LONG Flags;                                                             //0x40
    LONG ApcCount;                                                          //0x44
    LONG MaxApcCount;                                                       //0x48
};