Tanaka Zakku
38 lines
1.3 KiB
YAML
38 lines
1.3 KiB
YAML
title: PortProxy Registry Key
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author: Andreas Hunkeler (@Karneades)
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date: 2021/06/22
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description: Detects the modification of PortProxy registry key which is used for
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port forwarding. For command execution see rule win_netsh_port_fwd.yml.
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detection:
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SELECTION_1:
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EventID: 12
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SELECTION_2:
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EventID: 13
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SELECTION_3:
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EventID: 14
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SELECTION_4:
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TargetObject: HKLM\SYSTEM\CurrentControlSet\Services\PortProxy\v4tov4\tcp
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condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4)
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falsepositives:
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- WSL2 network bridge PowerShell script used for WSL/Kubernetes/Docker (e.g. https://github.com/microsoft/WSL/issues/4150#issuecomment-504209723)
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- Synergy Software KVM (https://symless.com/synergy)
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id: a54f842a-3713-4b45-8c84-5f136fdebd3c
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level: medium
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logsource:
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category: registry_event
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product: windows
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modified: 2021/09/13
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references:
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- https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
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- https://adepts.of0x.cc/netsh-portproxy-code/
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- https://www.dfirnotes.net/portproxy_detection/
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status: experimental
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tags:
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- attack.lateral_movement
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- attack.defense_evasion
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- attack.command_and_control
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- attack.t1090
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yml_filename: win_portproxy_registry_key.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/registry_event
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