EQL: Get only one match (no overlap)


Let's consider that we have the following event sequence:
A, A, A, C, A, B, B, B

now I want a EQL query that matches exactly one A, B sequence, the A, B selection can be arbitrary, i.e., the following are, for instance, valid selections, but other combinations are possible:

  • A, A, A, C, [A], [B], B, B
  • A, [A], A, C, A, B, B, [B]

I thought I could use the until keyword, as follows:

sequence by ID
until A

However, this does not return any result. Is it possible to form a EQL query that fulfils my requirements?

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