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
Suspicious Rejected SMB Guest Logon From IP
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Rejected SMB Guest Logon From IP
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: Suspicious Rejected SMB Guest Logon From IP
id: 71886b70-d7b4-4dbf-acce-87d2ca135262
status: test
description: Detect Attempt PrintNightmare (CVE-2021-1675) Remote code execution in Windows Spooler Service
references:
- https://twitter.com/KevTheHermit/status/1410203844064301056
- https://web.archive.org/web/20210629055600/https://github.com/hhlxf/PrintNightmare/
- https://web.archive.org/web/20210701042336/https://github.com/afwu/PrintNightmare
author: Florian Roth (Nextron Systems), KevTheHermit, fuzzyf10w
date: 2021-06-30
modified: 2023-01-02
tags:
- attack.credential-access
- attack.t1110.001
logsource:
product: windows
service: smbclient-security
detection:
selection:
EventID: 31017
UserName: ''
ServerName|startswith: '\1'
condition: selection
falsepositives:
- Account fallback reasons (after failed login with specific account)
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/smbclient/security/win_smbclient_security_susp_failed_guest_logon.yml