EC2 Instance Modified With Previously Unseen User
This search looks for EC2 instances being modified by users who have not previously modified them.
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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
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