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.

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Indexed Rules

3,707

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Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

JXA In-memory Execution Via OSAScript

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

JXA In-memory Execution Via OSAScript

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: JXA In-memory Execution Via OSAScript
id: f1408a58-0e94-4165-b80a-da9f96cf6fc3
related:
    - id: 1bc2e6c5-0885-472b-bed6-be5ea8eace55
      type: derived
status: test
description: Detects possible malicious execution of JXA in-memory via OSAScript
references:
    - https://redcanary.com/blog/applescript/
author: Sohan G (D4rkCiph3r)
date: 2023-01-31
tags:
    - attack.t1059.002
    - attack.t1059.007
    - attack.execution
logsource:
    product: macos
    category: process_creation
detection:
    selection_main:
        CommandLine|contains|all:
            - 'osascript'
            - ' -e '
            - 'eval'
            - 'NSData.dataWithContentsOfURL'
    selection_js:
        - CommandLine|contains|all:
              - ' -l '
              - 'JavaScript'
        - CommandLine|contains: '.js'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/macos/process_creation/proc_creation_macos_jxa_in_memory_execution.yml