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
Headless Process Launched Via Conhost.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Headless Process Launched Via Conhost.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: Headless Process Launched Via Conhost.EXE
id: 00ca75ab-d5ce-43be-b86c-55ff39c6abfc
related:
- id: 056c7317-9a09-4bd4-9067-d051312752ea
type: derived
status: test
description: |
Detects the launch of a child process via "conhost.exe" with the "--headless" flag.
The "--headless" flag hides the windows from the user upon execution.
references:
- https://www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software
author: Nasreddine Bencherchali (Nextron Systems)
date: 2024-07-23
tags:
- attack.defense-evasion
- attack.execution
- attack.t1059.001
- attack.t1059.003
- detection.threat-hunting
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\conhost.exe'
ParentCommandLine|contains: '--headless'
condition: selection
falsepositives:
- Unknown
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/process_creation/proc_creation_win_conhost_headless_execution.yml