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P4T12ICK
47 lines
1.8 KiB
YAML
47 lines
1.8 KiB
YAML
name: Previously Seen Cloud Provisioning Activity Sources - Initial
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id: 4ce865fc-f43e-4521-a8ed-ab8af99052d7
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version: 1
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date: '2020-08-19'
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author: Rico Valdez, Splunk
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type: Baseline
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datamodel:
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- Change
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description: This search builds a table of the first and last times seen for every
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IP address (along with its physical location) previously associated with cloud-provisioning
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activity. This is broadly defined as any event that runs or creates something. This
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table is then cached.
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search: '| tstats earliest(_time) as firstTimeSeen, latest(_time) as lastTimeSeen
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from datamodel=Change where (All_Changes.action=started OR All_Changes.action=created)
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All_Changes.status=success by All_Changes.src | `drop_dm_object_name("All_Changes")`
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| iplocation src | where isnotnull(Country) | eventstats min(firstTimeSeen) as globalFirstTime
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| eval enough_data = if(globalFirstTime <= relative_time(now(), "-7d@d"), 1, 0)
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| table src, City, Country, Region, firstTimeSeen, lastTimeSeen, enough_data | outputlookup
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previously_seen_cloud_provisioning_activity_sources'
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how_to_implement: You must be ingesting Cloud infrastructure logs from your cloud
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provider.
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known_false_positives: none
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references: []
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tags:
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analytic_story:
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- Suspicious Cloud Provisioning Activities
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detections:
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- Cloud Provisioning Activity From Previously Unseen IP Address
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- Cloud Provisioning Activity From Previously Unseen City
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- Cloud Provisioning Activity From Previously Unseen Country
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- Cloud Provisioning Activity From Previously Unseen Region
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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- Splunk Cloud
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required_fields:
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- _time
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- All_Changes.action
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- All_Changes.src
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- All_Changes.status
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security_domain: network
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deployment:
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scheduling:
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cron_schedule: 0 2 * * 0
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earliest_time: -90d@d
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latest_time: -1d@d
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schedule_window: auto |