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
HackTool - F-Secure C3 Load by Rundll32
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
HackTool - F-Secure C3 Load by Rundll32
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: HackTool - F-Secure C3 Load by Rundll32
id: b18c9d4c-fac9-4708-bd06-dd5bfacf200f
status: test
description: F-Secure C3 produces DLLs with a default exported StartNodeRelay function.
references:
- https://github.com/FSecureLABS/C3/blob/11a081fd3be2aaf2a879f6b6e9a96ecdd24966ef/Src/NodeRelayDll/NodeRelayDll.cpp#L12
author: Alfie Champion (ajpc500)
date: 2021-06-02
modified: 2023-03-05
tags:
- attack.defense-evasion
- attack.t1218.011
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'rundll32.exe'
- '.dll'
- 'StartNodeRelay'
condition: selection
falsepositives:
- Unknown
level: critical
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_hktl_c3_rundll32_pattern.yml