37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
title: Remote PowerShell Session
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author: Roberto Rodriguez @Cyb3rWard0g
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date: 2019/09/12
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description: Detects remote PowerShell connections by monitoring network outbound
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connections to ports 5985 or 5986 from a non-network service account.
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detection:
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SELECTION_1:
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EventID: 3
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SELECTION_2:
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DestinationPort: 5985
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SELECTION_3:
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DestinationPort: 5986
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SELECTION_4:
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User: NT AUTHORITY\NETWORK SERVICE
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and not (SELECTION_4))
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falsepositives:
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- Legitimate usage of remote PowerShell, e.g. remote administration and monitoring.
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id: c539afac-c12a-46ed-b1bd-5a5567c9f045
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level: high
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logsource:
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category: network_connection
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product: windows
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modified: 2020/08/24
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references:
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- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190511223310.html
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status: experimental
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.t1086
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- attack.lateral_movement
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- attack.t1021.006
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- attack.t1028
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yml_filename: sysmon_remote_powershell_session_network.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/network_connection
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