EC2 Instance Modified With Previously Unseen User

Description

This search looks for EC2 instances being modified by users who have not previously modified them. This search is deprecated and have been translated to use the latest Change Datamodel.

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EC2 Instance Modified With Previously Unseen User Help

You must install the AWS App for Splunk (version 5.1.0 or later) and Splunk Add-on for AWS (version 4.4.0 or later), then configure your CloudTrail inputs. This search works best when you run the "Previously Seen EC2 Launches By User" support search once to create a history of previously seen ARNs. To add or remove APIs that modify an EC2 instance, edit the macro ec2_modification_api_calls.

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   Baseline Generation Searches

This detection relies on the following search to generate the baseline lookup.

  • Previously Seen EC2 Modifications By User