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 Port Forwarding Rule Added Via Netsh.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
New Port Forwarding Rule Added Via Netsh.EXE
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 Port Forwarding Rule Added Via Netsh.EXE
id: 322ed9ec-fcab-4f67-9a34-e7c6aef43614
status: test
description: Detects the execution of netsh commands that configure a new port forwarding (PortProxy) rule
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: Florian Roth (Nextron Systems), omkar72, oscd.community, Swachchhanda Shrawan Poudel
date: 2019-01-29
modified: 2023-09-01
tags:
- attack.lateral-movement
- attack.defense-evasion
- attack.command-and-control
- attack.t1090
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\netsh.exe'
- OriginalFileName: 'netsh.exe'
selection_cli_1:
CommandLine|contains|all:
- 'interface'
- 'portproxy'
- 'add'
- 'v4tov4'
selection_cli_2:
CommandLine|contains|all:
# Example: netsh I p a v l=8001 listena=127.0.0.1 connectp=80 c=192.168.1.1
- 'i ' # interface
- 'p ' # portproxy
- 'a ' # add
- 'v ' # v4tov4
selection_cli_3:
CommandLine|contains|all:
- 'connectp'
- 'listena'
- 'c='
condition: selection_img and 1 of selection_cli_*
falsepositives:
- Legitimate administration activity
- WSL2 network bridge PowerShell script used for WSL/Kubernetes/Docker (e.g. https://github.com/microsoft/WSL/issues/4150#issuecomment-504209723)
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_netsh_port_forwarding.yml