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P4T12ICK
62 lines
2.1 KiB
YAML
62 lines
2.1 KiB
YAML
name: Windows AdFind Exe
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id: bd3b0187-189b-46c0-be45-f52da2bae67f
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version: 2
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date: '2021-11-03'
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author: Jose Hernandez, Bhavin Patel, Splunk
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status: production
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type: TTP
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description: 'This search looks for the execution of `adfind.exe` with command-line
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arguments that it uses by default. Specifically the filter or search functions.
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It also considers the arguments necessary like objectcategory, see readme for more
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details: https://www.joeware.net/freetools/tools/adfind/usage.htm. This has been
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seen used before by Wizard Spider, FIN6 and actors whom also launched SUNBURST.
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AdFind.exe is usually used a recon tool to enumare a domain controller.'
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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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- '*objectcategory*'
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- '* -gcb *'
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- '* -sc *'
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selection2:
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CommandLine:
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- '* -f *'
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- '* -b *'
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condition: selection1 and selection2
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how_to_implement: To successfully implement this search, you need to be ingesting
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logs with the process name, and command-line executions from your endpoints. If
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you are using Sysmon, you must have at least version 6.0.4 of the Sysmon TA.
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known_false_positives: administrators rarely use adfind, usually not used for legitimate
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reasons
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references:
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- https://www.volexity.com/blog/2020/12/14/dark-halo-leverages-solarwinds-compromise-to-breach-organizations/
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- https://www.mandiant.com/resources/a-nasty-trick-from-credential-theft-malware-to-business-disruption
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tags:
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analytic_story:
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- NOBELIUM Group
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- Domain Trust Discovery
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asset_type: Endpoint
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confidence: 50
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impact: 50
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message: Windows AdFind Exe
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mitre_attack_id:
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- T1018
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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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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: 25.0
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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/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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