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AWS SNS Topic Created by Rare User

Identifies when an SNS topic is created by a user who does not typically perform this action. Adversaries may create SNS topics to stage capabilities for data exfiltration or other malicious activities. This is a New…

Description

Identifies when an SNS topic is created by a user who does not typically perform this action. Adversaries may create SNS topics to stage capabilities for data exfiltration or other malicious activities. This is a New Terms rule that only flags when this behavior is observed for the first time by a user or role.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

Detection requirements

Platform
ContainersIaaSLinuxmacOSPRESaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source category
event_index

Known benign triggers

  • Legitimate users may create SNS topics for legitimate purposes. Ensure that the creation is authorized before taking action.

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