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P4T12ICK
53 lines
1.8 KiB
YAML
53 lines
1.8 KiB
YAML
name: Remote System Discovery with Dsquery
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id: 9fb562f4-42f8-4139-8e11-a82edf7ed718
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version: 1
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date: '2021-08-31'
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author: Mauricio Velazco, Splunk
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status: production
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type: Hunting
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description: This analytic looks for the execution of `dsquery.exe` with command-line
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arguments utilized to discover remote systems. The `computer` argument returns a
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list of all computers registered in the domain. Red Teams and adversaries alike
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engage in remote system discovery for situational awareness and Active Directory
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Discovery.
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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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CommandLine: '*computer*'
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Image|endswith: dsquery.exe
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condition: (selection1)
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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.
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known_false_positives: Administrators or power users may use this command 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/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc732952(v=ws.11)
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tags:
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analytic_story:
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- Active Directory Discovery
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asset_type: Endpoint
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confidence: 50
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impact: 30
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message: Remote system discovery enumeration on $dest$ by $user$
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mitre_attack_id:
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- T1018
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observable:
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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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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: 15
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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/T1018/AD_discovery/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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