Suspicious SNS Publish to Phone Number for Smishing
- Product
- aws
- Service
- cloudtrail
- Author
- HuntRule
- Published
- 2026-05-02
- Updated
- 2026-08-28
What it detects
This rule detects an SNS Publish call that targets a phone number directly, a smishing abuse pattern in the AWS SNS research by Elastic. Adversaries who compromise credentials use SNS to send SMS phishing messages at scale from the victim account. Direct phone number publishes outside of known messaging workflows can indicate account abuse and outbound phishing.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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