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
Base64 MZ Header In CommandLine
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Base64 MZ Header In CommandLine
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: Base64 MZ Header In CommandLine
id: 22e58743-4ac8-4a9f-bf19-00a0428d8c5f
status: test
description: Detects encoded base64 MZ header in the commandline
references:
- https://thedfirreport.com/2022/07/11/select-xmrig-from-sqlserver/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-12
tags:
- attack.execution
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'TVqQAAMAAAAEAAAA' # MZ..........
- 'TVpQAAIAAAAEAA8A'
- 'TVqAAAEAAAAEABAA'
- 'TVoAAAAAAAAAAAAA'
- 'TVpTAQEAAAAEAAAA'
condition: selection
falsepositives:
- Unlikely
level: high
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_susp_inline_base64_mz_header.yml