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P4T12ICK
41 lines
1.7 KiB
YAML
41 lines
1.7 KiB
YAML
name: Previously Seen Running Windows Services - Update
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id: 2e3bdd68-1863-46ee-81f8-87273eee7f1c
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version: 3
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date: '2020-06-23'
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author: David Dorsey, Splunk
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type: Baseline
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datamodel: []
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description: This search returns the first and last time a Windows service was seen
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across your enterprise within the last hour. It then updates this information with
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historical data and filters out Windows services pairs that have not been seen within
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the specified time window. This updated table is then cached.
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search: '`wineventlog_system` EventCode=7036 | rex field=Message "The (?<service>[-\(\)\s\w]+)
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service entered the (?<state>\w+) state" | where state="running" | stats earliest(_time)
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as firstTimeSeen, latest(_time) as lastTimeSeen by service | inputlookup previously_seen_running_windows_services
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append=t | stats min(firstTimeSeen) as firstTimeSeen, max(lastTimeSeen) as lastTimeSeen
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by service | where lastTimeSeen > relative_time(now(), "`previously_seen_windows_service_forget_window`")
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| outputlookup previously_seen_running_windows_services'
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how_to_implement: While this search does not require you to adhere to Splunk CIM,
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you must be ingesting your Windows security-event logs for it to execute successfully.
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Please ensure that the Splunk Add-on for Microsoft Windows is version 8.0.0 or above.
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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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- Orangeworm Attack Group
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- Windows Service Abuse
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- NOBELIUM Group
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deployments:
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- Hourly Cache Updates
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detections:
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- First Time Seen Running Windows Service
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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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- EventCode
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- Message
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security_domain: endpoint
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