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splunk-security_content/baselines/previously_seen_cloud_compute_images___initial.yml

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YAML

name: Previously Seen Cloud Compute Images - Initial
id: 7744597f-d07a-4cea-94a7-e0f8aaebc410
version: 3
creation_date: '2019-10-16'
modification_date: '2026-05-13'
author: David Dorsey, Splunk
status: production
description: This search builds a table of previously seen images used to launch cloud compute instances
search: '| tstats earliest(_time) as firstTimeSeen, latest(_time) as lastTimeSeen from datamodel=Change where All_Changes.action=created by All_Changes.Instance_Changes.image_id | `drop_dm_object_name("All_Changes")` | `drop_dm_object_name("Instance_Changes")` | where image_id != "unknown" | eventstats min(firstTimeSeen) as globalFirstTime | eval enough_data = if(globalFirstTime <= relative_time(now(), "-7d@d"), 1, 0) | outputlookup previously_seen_cloud_compute_images'
how_to_implement: You must be ingesting the approrpiate cloud infrastructure logs and have the latest Change Datamodel accelerated
known_false_positives: No false positives have been identified at this time.
references: []
product:
- Splunk Enterprise
- Splunk Enterprise Security
- Splunk Cloud
security_domain: network
custom_schedule:
cron_schedule: 0 2 * * 0
earliest_time: -90d@d
latest_time: -1d@d
schedule_window: auto