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
Chromium Browser Headless Execution To Mockbin Like Site
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Chromium Browser Headless Execution To Mockbin Like Site
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: Chromium Browser Headless Execution To Mockbin Like Site
id: 1c526788-0abe-4713-862f-b520da5e5316
status: test
description: Detects the execution of a Chromium based browser process with the "headless" flag and a URL pointing to the mockbin.org service (which can be used to exfiltrate data).
references:
- https://www.zscaler.com/blogs/security-research/steal-it-campaign
author: X__Junior (Nextron Systems)
date: 2023-09-11
tags:
- attack.execution
logsource:
product: windows
category: process_creation
detection:
selection_img:
Image|endswith:
- '\brave.exe'
- '\chrome.exe'
- '\msedge.exe'
- '\opera.exe'
- '\vivaldi.exe'
selection_headless:
CommandLine|contains: '--headless'
selection_url:
CommandLine|contains:
- '://run.mocky'
- '://mockbin'
condition: all of selection_*
falsepositives:
- Unknown
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_browsers_chromium_mockbin_abuse/info.yml
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_browsers_chromium_mockbin_abuse.yml