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 local pySigma backend, then reveal pipelines only when you actually need them.

Indexed Rules

3,731

Ready to search

Backends

17

Loaded from pysigma-node

pySigma Versions

10

Newest: 1.3.3

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Add SafeBoot Keys Via Reg Utility

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

Add SafeBoot Keys Via Reg Utility

Using Splunk · Default · pySigma 1.3.3

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion1.3.3
title: Add SafeBoot Keys Via Reg Utility
id: d7662ff6-9e97-4596-a61d-9839e32dee8d
related:
    - id: fc0e89b5-adb0-43c1-b749-c12a10ec37de
      type: similar
status: test
description: Detects execution of "reg.exe" commands with the "add" or "copy" flags on safe boot registry keys. Often used by attacker to allow the ransomware to work in safe mode as some security products do not
references:
    - https://redacted.com/blog/bianlian-ransomware-gang-gives-it-a-go/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-02
modified: 2024-03-19
tags:
    - attack.defense-evasion
    - attack.t1562.001
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\reg.exe'
        - OriginalFileName: 'reg.exe'
    selection_safeboot:
        CommandLine|contains: '\SYSTEM\CurrentControlSet\Control\SafeBoot'
    selection_flag:
        CommandLine|contains:
            - ' copy '
            - ' add '
    condition: all of selection*
falsepositives:
    - Unlikely
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_reg_add_safeboot/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_reg_add_safeboot.yml