Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
New PortProxy Registry Entry Added
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
New PortProxy Registry Entry Added
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: New PortProxy Registry Entry Added
id: a54f842a-3713-4b45-8c84-5f136fdebd3c
status: test
description: Detects the modification of the PortProxy registry key which is used for port forwarding.
references:
- https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
- https://adepts.of0x.cc/netsh-portproxy-code/
- https://www.dfirnotes.net/portproxy_detection/
author: Andreas Hunkeler (@Karneades)
date: 2021-06-22
modified: 2024-03-25
tags:
- attack.lateral-movement
- attack.defense-evasion
- attack.command-and-control
- attack.t1090
logsource:
category: registry_event
product: windows
detection:
selection:
# Example: HKLM\System\CurrentControlSet\Services\PortProxy\v4tov4\tcp\0.0.0.0/1337
TargetObject|contains: '\Services\PortProxy\v4tov4\tcp\'
condition: selection
falsepositives:
- WSL2 network bridge PowerShell script used for WSL/Kubernetes/Docker (e.g. https://github.com/microsoft/WSL/issues/4150#issuecomment-504209723)
- Synergy Software KVM (https://symless.com/synergy)
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_event/registry_event_portproxy_registry_key.yml