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P4T12ICK
65 lines
2.2 KiB
YAML
65 lines
2.2 KiB
YAML
name: Remote WMI Command Attempt
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id: 272df6de-61f1-4784-877c-1fbc3e2d0838
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version: 4
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date: '2018-12-03'
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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: The following analytic identifies usage of `wmic.exe` spawning a local
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or remote process, identified by the `node` switch. During triage, review parallel
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processes for additional commands executed. Look for any file modifications before
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and after `wmic.exe` execution. In addition, identify the remote endpoint and confirm
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execution or file modifications. Contain and isolate the endpoint as needed.
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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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OriginalFileName: wmic.exe
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selection2:
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Image|endswith: wmic.exe
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selection3:
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CommandLine: '*node*'
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condition: (selection1 or selection2) and selection3
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how_to_implement: To successfully implement this search you need to be ingesting information
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on process that include the name of the process responsible for the changes from
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your endpoints into the `Endpoint` datamodel in the `Processes` node. In addition,
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confirm the latest CIM App 4.20 or higher is installed and the latest TA for the
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endpoint product. Deprecated because duplicate of Remote Process Instantiation via
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WMI.
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known_false_positives: Administrators may use this legitimately to gather info from
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remote systems. Filter as needed.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1047/T1047.yaml
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tags:
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analytic_story:
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- Suspicious WMI Use
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- Living Off The Land
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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 $process$ contain node commandline $process$ in host
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$dest$
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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/atomic_red_team/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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