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[7.x] [SIEM][Detection Engine] Critical blocker rule changes and ECS changes (#55883)#55947

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FrankHassanabad merged 1 commit intoelastic:7.xfrom
FrankHassanabad:backport/7.x/pr-55883
Jan 25, 2020
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[7.x] [SIEM][Detection Engine] Critical blocker rule changes and ECS changes (#55883)#55947
FrankHassanabad merged 1 commit intoelastic:7.xfrom
FrankHassanabad:backport/7.x/pr-55883

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@FrankHassanabad
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Backports the following commits to 7.x:

## Summary

* Changes ECS `techniques` to the word `technique` as `techniques` is incorrect ECS and incorrect mapping and without this our product could crash
* Changes ECS `threats` to the word `threat` as `threats` is incorrect ECS and incorrect mapping and without this our product could crash
* Added histogram mapping for `signal.rule.threat.tactic.name` as that was missing
* Added `Elastic` and removed `EIA` for tags
* Updates unit tests
* Cleans up rules by removing extra characters and removing fields not required.
* Adds concrete index'es as this was a critical breaking bug
* Fixes issues with imports where imports could change an immutable from false to true and suddenly cause out of band immutables to occur.

### Checklist

Use ~~strikethroughs~~ to remove checklist items you don't feel are applicable to this PR.

~~- [ ] This was checked for cross-browser compatibility, [including a check against IE11](https://github.com/elastic/kibana/blob/master/CONTRIBUTING.md#cross-browser-compatibility)~~

~~- [ ] Any text added follows [EUI's writing guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses sentence case text and includes [i18n support](https://github.com/elastic/kibana/blob/master/packages/kbn-i18n/README.md)~~

~~- [ ] [Documentation](https://github.com/elastic/kibana/blob/master/CONTRIBUTING.md#writing-documentation) was added for features that require explanation or tutorials~~

- [x] [Unit or functional tests](https://github.com/elastic/kibana/blob/master/CONTRIBUTING.md#cross-browser-compatibility) were updated or added to match the most common scenarios

~~- [ ] This was checked for [keyboard-only and screenreader accessibility](https://developer.mozilla.org/en-US/docs/Learn/Tools_and_testing/Cross_browser_testing/Accessibility#Accessibility_testing_checklist)~~

### For maintainers

~~- [ ] This was checked for breaking API changes and was [labeled appropriately](https://github.com/elastic/kibana/blob/master/CONTRIBUTING.md#release-notes-process)~~

- [x] This includes a feature addition or change that requires a release note and was [labeled appropriately](https://github.com/elastic/kibana/blob/master/CONTRIBUTING.md#release-notes-process)
@FrankHassanabad FrankHassanabad added the backport This PR is a backport of another PR label Jan 25, 2020
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💚 Build Succeeded

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

@FrankHassanabad FrankHassanabad merged commit b2c7de9 into elastic:7.x Jan 25, 2020
@FrankHassanabad FrankHassanabad deleted the backport/7.x/pr-55883 branch January 25, 2020 06:47
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2 participants