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 Initiated Network Connection Over Uncommon Port
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Dfsvc.EXE Initiated Network Connection Over Uncommon Port
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 Initiated Network Connection Over Uncommon Port
id: 4c5fba4a-9ef6-4f16-823d-606246054741
status: test
description: Detects an initiated network connection over uncommon ports from "dfsvc.exe". A utility used to handled ClickOnce applications.
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: 2024-01-31
tags:
- attack.execution
- attack.t1203
- detection.threat-hunting
logsource:
category: network_connection
product: windows
detection:
selection:
Image|contains: ':\Windows\Microsoft.NET\'
Image|endswith: '\dfsvc.exe'
Initiated: 'true'
filter_main_known_ports:
DestinationPort:
- 80
- 443
filter_optional_dns_ipv6:
# Based on VT. More than 140 binaries made communication over DNS
DestinationIsIpv6: 'true'
DestinationPort: 53
condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
falsepositives:
- Unknown
level: high
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_uncommon_ports.yml