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 CVE-2023-2283 Exploitation

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potential CVE-2023-2283 Exploitation

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 CVE-2023-2283 Exploitation
id: 8b244735-5833-4517-a45b-28d8c63924c0
status: test
description: Detects potential exploitation attempt of CVE-2023-2283 an authentication bypass in libSSH. The exploitation method causes an error message stating that keys for curve25519 could not be generated. It is an error message that is a sign of an exploitation attempt. It is not a sign of a successful exploitation.
references:
    - https://twitter.com/kevin_backhouse/status/1666459308941357056?s=20
    - https://git.libssh.org/projects/libssh.git/tree/src/curve25519.c#n420
    - https://nvd.nist.gov/vuln/detail/CVE-2023-2283
    - https://www.blumira.com/cve-2023-2283/
    - https://github.com/github/securitylab/tree/1786eaae7f90d87ce633c46bbaa0691d2f9bf449/SecurityExploits/libssh/pubkey-auth-bypass-CVE-2023-2283
author: Florian Roth (Nextron Systems)
date: 2023-06-09
tags:
    - attack.initial-access
    - attack.t1190
    - cve.2023-2283
    - detection.emerging-threats
logsource:
    product: linux
    service: sshd
detection:
    keywords:
        - 'Failed to generate curve25519 keys'
    condition: keywords
falsepositives:
    - Errors with the initialization or generation of the X25519 elliptic curve keys may generate the same error message
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/Exploits/CVE-2023-2283/lnx_sshd_exploit_cve_2023_2283_libssh_authentication_bypass.yml