# Rule for detecting email domain

**URL:** <https://discuss.elastic.co/t/rule-for-detecting-email-domain/273802>\
**Category:** Endpoint Security\
**Created:** [May 24, 2021, 9:19am UTC](https://discuss.elastic.co/t/rule-for-detecting-email-domain/273802 "2021-05-24T09:19:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![realtech2338](https://avatars.discourse-cdn.com/v4/letter/r/76d3ee/32.png) [@realtech2338](https://discuss.elastic.co/u/realtech2338)\
**Post date:** [May 24, 2021, 9:19am UTC](https://discuss.elastic.co/t/rule-for-detecting-email-domain/273802/1 "2021-05-24T09:19:47Z")

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I would like to create a rule to detect emails coming from specific domain for Strat malware email delivery. Please guide me how to do that:

> <https://github.com/microsoft/Microsoft-365-Defender-Hunting-Queries/blob/master/Campaigns/StrRAT%20malware/StrRAT-Email-Delivery.md>

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**Author:** ![austinsonger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/austinsonger/32/78994_2.png) [@austinsonger](https://discuss.elastic.co/u/austinsonger)\
**Post date:** [June 12, 2021, 4:07am UTC](https://discuss.elastic.co/t/rule-for-detecting-email-domain/273802/2 "2021-06-12T04:07:16Z")

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You will be best off using create value lists and create a detection rule using the list. (please read in that order)

1. [Rule exceptions and value lists | Elastic Security Solution [7.13] | Elastic](https://www.elastic.co/guide/en/security/current/detections-ui-exceptions.html#manage-value-lists)
2. [Create a detection rule | Elastic Security Solution [7.13] | Elastic](https://www.elastic.co/guide/en/security/current/rules-ui-create.html#indicator-value-lists)

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 10, 2021, 4:07am UTC](https://discuss.elastic.co/t/rule-for-detecting-email-domain/273802/3 "2021-07-10T04:07:25Z")

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