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P4T12ICK
66 lines
2.3 KiB
YAML
66 lines
2.3 KiB
YAML
name: Detect SharpHound Command-Line Arguments
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id: a0bdd2f6-c2ff-11eb-b918-acde48001122
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version: 1
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date: '2021-06-01'
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author: Michael Haag, Splunk
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status: production
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type: TTP
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description: The following analytic identifies common command-line arguments used
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by SharpHound `-collectionMethod` and `invoke-bloodhound`. Being the script is FOSS,
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function names may be modified, but these changes are dependent upon the operator.
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In most instances the defaults are used. This analytic works to identify the common
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command-line attributes used. It does not cover the entirety of every argument in
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order to avoid false positives.
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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:
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- '*-collectionMethod*'
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- '*invoke-bloodhound*'
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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: False positives should be limited as the arguments used are
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specific to SharpHound. Filter as needed or add more command-line arguments as needed.
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references:
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- https://attack.mitre.org/software/S0521/
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- https://thedfirreport.com/?s=bloodhound
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- https://github.com/BloodHoundAD/BloodHound/tree/master/Collectors
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- https://github.com/BloodHoundAD/SharpHound3
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1059.001/T1059.001.md#atomic-test-2---run-bloodhound-from-local-disk
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tags:
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analytic_story:
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- Discovery Techniques
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- Ransomware
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asset_type: Endpoint
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confidence: 80
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impact: 30
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message: Possible SharpHound command-Line arguments identified on $dest$
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mitre_attack_id:
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- T1087.002
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- T1069.001
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- T1482
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- T1087.001
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- T1087
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- T1069.002
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- T1069
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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: 24
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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/T1059.001/sharphound/windows-sysmon.log
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source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
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sourcetype: xmlwineventlog
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