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P4T12ICK
53 lines
1.5 KiB
YAML
53 lines
1.5 KiB
YAML
name: Script Execution via WMI
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id: aa73f80d-d728-4077-b226-81ea0c8be589
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version: 4
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date: '2020-03-16'
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author: Rico Valdez, Michael Haag, Splunk
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status: production
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type: TTP
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description: This search looks for scripts launched via WMI.
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data_source:
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- Sysmon Event ID 1
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search:
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selection1:
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Image|endswith: scrcons.exe
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condition: selection1
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how_to_implement: You must be ingesting endpoint data that tracks process activity,
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including parent-child relationships from your endpoints to populate the Endpoint
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data model in the Processes node. The command-line arguments are mapped to the "process"
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field in the Endpoint data model.
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known_false_positives: Although unlikely, administrators may use wmi to launch scripts
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for legitimate purposes. Filter as needed.
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references:
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- https://redcanary.com/blog/child-processes/
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tags:
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analytic_story:
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- Suspicious WMI Use
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asset_type: Endpoint
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confidence: 60
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impact: 60
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message: A wmic.exe process $process_name$ taht execute script in host $dest$
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mitre_attack_id:
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- T1047
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observable:
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- name: dest
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type: Hostname
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role:
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- Victim
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- name: user
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type: User
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role:
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- Victim
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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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risk_score: 36
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security_domain: endpoint
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tests:
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- name: True Positive Test
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attack_data:
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- data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1047/execution_scrcons/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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