33 lines
1.1 KiB
YAML
33 lines
1.1 KiB
YAML
title: SMB Create Remote File Admin Share
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author: Jose Rodriguez (@Cyb3rPandaH), OTR (Open Threat Research)
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date: 2020/08/06
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description: Look for non-system accounts SMB accessing a file with write (0x2) access
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mask via administrative share (i.e C$).
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detection:
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SELECTION_1:
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EventID: 5145
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SELECTION_2:
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ShareName: '*C$'
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SELECTION_3:
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AccessMask: '0x2'
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SELECTION_4:
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SubjectUserName: '*$'
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condition: ((SELECTION_1 and SELECTION_2 and SELECTION_3) and not (SELECTION_4))
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falsepositives:
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- Unknown
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id: b210394c-ba12-4f89-9117-44a2464b9511
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level: high
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logsource:
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product: windows
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service: security
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references:
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- https://github.com/OTRF/ThreatHunter-Playbook/blob/master/playbooks/WIN-201012004336.yaml
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- https://securitydatasets.com/notebooks/small/windows/08_lateral_movement/SDWIN-200806015757.html?highlight=create%20file
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status: experimental
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tags:
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- attack.lateral_movement
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- attack.t1021.002
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yml_filename: win_smb_file_creation_admin_shares.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin
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