[Bug] Fix 7.11 -> 7.10 ATT&CK downgrade logic for optional techiques #736
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Issues
A user found that some of the latest Sunburst rules weren't working with Kibana upload. The biggest reason is the downgrade process from 7.11 to 7.10.
Summary
We still have an issue where some new EQL functionality won't work properly in the detection engine (e.g.
process.name : ("a", "b", "c")syntax and:with wildcards aren't supported.The ATT&CK subtechnique process seemed to be working, but I didn't update the downgrade process for optional techniques, which was new in #727.
We'll merge
7.11intomainafter this is merged.