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Added detection testing service results inGetWmiObject Ds Computer with PowerShell Script Block
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@@ -7,18 +7,22 @@ type: TTP
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datamodel:
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- Endpoint
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description: The following analytic utilizes PowerShell Script Block Logging (EventCode=4104)
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to identify the execution of the `Get-WmiObject` commandlet. The `DS_Computer` class parameter leverages WMI to query for all domain computers.
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Red Teams and adversaries may leverage this commandlet to enumerate domain computers for situational awareness and Active Directory Discovery.
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search: '`powershell` EventCode=4104 (Message=*Get-WmiObject* AND Message=*"namespace root\\directory\\ldap"* AND Message=*"class ds_computer"*)
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| stats count min(_time) as firstTime max(_time) as lastTime by EventCode Message
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ComputerName User | `security_content_ctime(firstTime)` | `getwmiobject_ds_computer_with_powershell_script_block_filter`'
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to identify the execution of the `Get-WmiObject` commandlet. The `DS_Computer` class
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parameter leverages WMI to query for all domain computers. Red Teams and adversaries
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may leverage this commandlet to enumerate domain computers for situational awareness
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and Active Directory Discovery.
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search: '`powershell` EventCode=4104 (Message=*Get-WmiObject* AND Message=*"namespace
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root\\directory\\ldap"* AND Message=*"class ds_computer"*) | stats count min(_time)
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as firstTime max(_time) as lastTime by EventCode Message ComputerName User | `security_content_ctime(firstTime)`
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| `getwmiobject_ds_computer_with_powershell_script_block_filter`'
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how_to_implement: To successfully implement this analytic, you will need to enable
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PowerShell Script Block Logging on some or all endpoints. Additional setup here
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https://docs.splunk.com/Documentation/UBA/5.0.4.1/GetDataIn/AddPowerShell#Configure_module_logging_for_PowerShell.
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known_false_positives: Administrators or power users may use this PowerShell commandlet for troubleshooting.
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known_false_positives: Administrators or power users may use this PowerShell commandlet
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for troubleshooting.
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references:
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- https://attack.mitre.org/techniques/T1018/
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- https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/get-wmiobject?view=powershell-5.1
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- https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/get-wmiobject?view=powershell-5.1
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tags:
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analytic_story:
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- Active Directory Discovery
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@@ -47,4 +51,5 @@ tags:
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- name: dest
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type: Endpoint
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role:
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- Victim
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- Victim
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automated_detection_testing: passed
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