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patel-bhavin
89 lines
2.8 KiB
YAML
89 lines
2.8 KiB
YAML
name: Attacker Tools On Endpoint
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id: a51bfe1a-94f0-48cc-b4e4-16a110145893
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version: 2
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date: '2021-11-04'
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author: Bhavin Patel, Splunk
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type: TTP
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datamodel:
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- Endpoint
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description: This search looks for execution of commonly used attacker tools on an
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endpoint.
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search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
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as lastTime values(Processes.process) as process values(Processes.parent_process)
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as parent_process from datamodel=Endpoint.Processes where Processes.dest!=unknown
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Processes.user!=unknown by Processes.dest Processes.user Processes.process_name
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Processes.process | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
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| `drop_dm_object_name(Processes)` | lookup attacker_tools attacker_tool_names AS
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process_name OUTPUT description | search description !=false| `attacker_tools_on_endpoint_filter`'
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how_to_implement: To successfully implement this search, you must be ingesting data
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that records process activity from your hosts to populate the endpoint data model
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in the processes node. This is typically populated via endpoint detection-and-response
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product, such as Carbon Black or endpoint data sources, such as Sysmon. The data
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used for this search is usually generated via logs that report process tracking
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in your Windows audit settings.
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known_false_positives: Some administrator activity can be potentially triggered, please
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add those users to the filter macro.
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references: []
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tags:
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analytic_story:
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- Monitor for Unauthorized Software
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- XMRig
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- SamSam Ransomware
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- Unusual Processes
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asset_type: Endpoint
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automated_detection_testing: passed
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cis20:
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- CIS 2
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confidence: 80
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context:
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- Source:Endpoint
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- Stage:Exploitation
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- Stage:Recon
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- Stage:Execution
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dataset:
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- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1595/attacker_scan_tools/windows-sysmon.log
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impact: 80
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kill_chain_phases:
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- Installation
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- Command and Control
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- Actions on Objectives
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message: An attacker tool $process_name$,listed in attacker_tools.csv is executed
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on host $dest$ by User $user$. This process $process_name$ is known to do- $description$
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mitre_attack_id:
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- T1036.005
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- T1036
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- T1003
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- T1595
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nist:
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- ID.AM
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- PR.DS
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observable:
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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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- name: dest
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type: Hostname
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role:
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- Victim
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- name: parent_process
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type: Parent Process
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role:
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- Parent Process
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- name: process_name
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type: Process
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role:
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- Child Process
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- Attacker
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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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- Processes.dest
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- Processes.user
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- Processes.process_name
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- Processes.parent_process
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risk_score: 64
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security_domain: endpoint
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