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evt.md

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Reversing the Event file

The file contains an array of a binary data structure. The structure is 0x90 (144) bytes long.

Data structure

The event files seems to contain an array of the following C datastructure. The byte order is LITTLE Endian.

Offset Size (bytes) Data type Description Assesment
0x00 0x08 time64 Event timestamp OK
0x08 0x08 int64 Unknown 1 unique data in each record
0x10 0x20 string Event description Fixed width data, null terminated
0x30 0x08 int64 Unknown 2
0x38 0x08 int64 Unknown 3
0x40 0x08 int64 Unknown 4
0x48 0x08 int64 Unknown 5
0x50 0x08 int64 Unknown 6
0x58 0x08 int64 Unknown 7
0x60 0x08 int64 Unknown 8
0x68 0x08 int64 Unknown 9 <> 0 on START_ and STOP_ event
0x70 0x08 int64 Unknown 10 <> 0 on START_ and STOP_ event
0x78 0x08 int64 Unknown 11
0x80 0x08 int64 Unknown 12
0x88 0x08 int64 Unknown 13

Example data

Timestamp

Seconds since 1 JAN 1970 stored as a signed 64 bit integer.

Unknown 1

Event description

START_EOS_ACT_230603155406_001 START_EOS_ACT_230603155406_001 event2 event3 event4 event5 event6 START_EOS_ACT_230303133429_001 START_EOS_ACT_230304084542_001 START_EOS_ACT_230307121355_001

Unknown 2

Unknown 3

Unknown 4

Unknown 5

Unknown 6

Unknown 7

Unknown 8

Unknown 9

Value seems to be == 0 for event marker. This will be used to identify the events to show during debrief.

Unknown 10

Value seems to be == 0 for event marker.

Unknown 11

Unknown 12

Unknown 13