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 Kerberos RC4 Ticket Encryption
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Kerberos RC4 Ticket Encryption
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 Kerberos RC4 Ticket Encryption
id: 496a0e47-0a33-4dca-b009-9e6ca3591f39
status: test
description: Detects service ticket requests using RC4 encryption type
references:
- https://adsecurity.org/?p=3458
- https://www.trimarcsecurity.com/single-post/TrimarcResearch/Detecting-Kerberoasting-Activity
author: Florian Roth (Nextron Systems)
date: 2017-02-06
modified: 2022-06-19
tags:
- attack.credential-access
- attack.t1558.003
logsource:
product: windows
service: security
detection:
selection:
EventID: 4769
TicketOptions: '0x40810000'
TicketEncryptionType: '0x17'
reduction:
ServiceName|endswith: '$'
condition: selection and not reduction
falsepositives:
- Service accounts used on legacy systems (e.g. NetApp)
- Windows Domains with DFL 2003 and legacy systems
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/security/win_security_susp_rc4_kerberos.yml