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
Dfsvc.EXE Network Connection To Non-Local IPs
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Dfsvc.EXE Network Connection To Non-Local IPs
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: Dfsvc.EXE Network Connection To Non-Local IPs
id: 3c21219b-49b5-4268-bce6-c914ed50f09c
status: test
description: Detects network connections from "dfsvc.exe" used to handled ClickOnce applications to non-local IPs
references:
- https://posts.specterops.io/less-smartscreen-more-caffeine-ab-using-clickonce-for-trusted-code-execution-1446ea8051c5
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-12
modified: 2024-03-12
tags:
- attack.execution
- attack.t1203
- detection.threat-hunting
logsource:
category: network_connection
product: windows
detection:
selection:
Image|endswith: '\dfsvc.exe'
Initiated: 'true'
filter_main_local_ip:
DestinationIp|cidr: # Ranges excluded based on https://github.com/SigmaHQ/sigma/blob/0f176092326ab9d1e19384d30224e5f29f760d82/rules/windows/network_connection/net_connection_win_dllhost_net_connections.yml
- '127.0.0.0/8'
- '10.0.0.0/8'
- '169.254.0.0/16' # link-local address
- '172.16.0.0/12'
- '192.168.0.0/16'
- '::1/128' # IPv6 loopback
- 'fe80::/10' # IPv6 link-local addresses
- 'fc00::/7' # IPv6 private addresses
condition: selection and not 1 of filter_main_*
falsepositives:
- False positives are expected from ClickOnce manifests hosted on public IPs and domains. Apply additional filters for the accepted IPs in your environement as necessary
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-threat-hunting/windows/network_connection/net_connection_win_dfsvc_non_local_ip.yml