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Create link_credential_phishing_cloud_service.yml#4367

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daniel.fn.ESC-10973.FN--Credential-phishing-via-generic-cloud-service-impersonation
Apr 23, 2026
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Create link_credential_phishing_cloud_service.yml#4367
D-Bolton merged 6 commits intomainfrom
daniel.fn.ESC-10973.FN--Credential-phishing-via-generic-cloud-service-impersonation

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@D-Bolton D-Bolton commented Apr 17, 2026

Description

Detects messages impersonating cloud services that contain high-confidence credential theft language and file sharing topics. The message starts with 'Cloud' or a cloud emoji, and contains links to external domains not matching the sender's domain.

Associated samples

Associated hunts

  • Hunt 1
  • Multi-hunts in ESC-10973
  • Mode results look great

@D-Bolton D-Bolton marked this pull request as ready for review April 17, 2026 19:55
@D-Bolton D-Bolton requested a review from a team April 17, 2026 19:55
@D-Bolton D-Bolton requested a review from a team as a code owner April 17, 2026 19:55
@github-actions github-actions Bot added the in-test-rules PR is in our testing suite to collect telemetry label Apr 17, 2026
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@D-Bolton D-Bolton added the review-needed Indicates that a PR is waiting for review label Apr 20, 2026
Comment thread detection-rules/link_credential_phishing_cloud_service.yml Outdated
github-actions Bot added a commit that referenced this pull request Apr 22, 2026
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github-actions Bot added a commit that referenced this pull request Apr 23, 2026
@D-Bolton D-Bolton added this pull request to the merge queue Apr 23, 2026
Merged via the queue into main with commit a482416 Apr 23, 2026
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@D-Bolton D-Bolton deleted the daniel.fn.ESC-10973.FN--Credential-phishing-via-generic-cloud-service-impersonation branch April 23, 2026 18:26
github-actions Bot added a commit that referenced this pull request Apr 23, 2026
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