name: Previously Seen Cloud Provisioning Activity Sources - Initial id: 4ce865fc-f43e-4521-a8ed-ab8af99052d7 version: 1 date: '2020-08-19' author: Rico Valdez, Splunk type: Baseline datamodel: - Change description: This search builds a table of the first and last times seen for every IP address (along with its physical location) previously associated with cloud-provisioning activity. This is broadly defined as any event that runs or creates something. This table is then cached. search: '| tstats earliest(_time) as firstTimeSeen, latest(_time) as lastTimeSeen from datamodel=Change where (All_Changes.action=started OR All_Changes.action=created) All_Changes.status=success by All_Changes.src | `drop_dm_object_name("All_Changes")` | iplocation src | where isnotnull(Country) | eventstats min(firstTimeSeen) as globalFirstTime | eval enough_data = if(globalFirstTime <= relative_time(now(), "-7d@d"), 1, 0) | table src, City, Country, Region, firstTimeSeen, lastTimeSeen, enough_data | outputlookup previously_seen_cloud_provisioning_activity_sources' how_to_implement: You must be ingesting Cloud infrastructure logs from your cloud provider. known_false_positives: none references: [] tags: analytic_story: - Suspicious Cloud Provisioning Activities deployments: - 90 Day Baseline detections: - Cloud Provisioning Activity From Previously Unseen IP Address - Cloud Provisioning Activity From Previously Unseen City - Cloud Provisioning Activity From Previously Unseen Country - Cloud Provisioning Activity From Previously Unseen Region product: - Splunk Enterprise - Splunk Enterprise Security - Splunk Cloud required_fields: - _time - All_Changes.action - All_Changes.src - All_Changes.status security_domain: network