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

Potential Java WebShell Upload in SAP NetViewer Server

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potential Java WebShell Upload in SAP NetViewer Server

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: Potential Java WebShell Upload in SAP NetViewer Server
id: 639b893f-f93a-4e53-a7c8-f08cf73fe7f7
status: experimental
description: |
    Detects potential Java webshell uploads via HTTP requests with Content-Type 'application/octet-stream' and Java file extensions.
    This behavior might indicate exploitation of vulnerabilities like CVE-2025-31324, which allows remote code execution through webshells in SAP NetViewer.
references:
    - https://blog.eclecticiq.com/china-nexus-nation-state-actors-exploit-sap-netweaver-cve-2025-31324-to-target-critical-infrastructures
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-05-14
tags:
    - attack.persistence
    - attack.t1505.003
    - detection.emerging-threats
    - cve.2025-31324
logsource:
    category: webserver
detection:
    selection:
        cs-content-type: 'application/octet-stream'
        cs-method: 'POST'
        cs-uri-stem|contains|all:
            - '/irj/'
            - '.jsp'
        cs-uri-stem|endswith:
            - '.class'
            - '.java'
            - '.jsp'
    condition: selection
falsepositives:
    - Legitimate uploads of Java files in development environments
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2025/Exploits/CVE-2025-31324/web_lnx_exploit_cve_2025_31324_sap_netviewer_webshell_uploaded.yml