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 DNS Query with B64 Encoded String
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious DNS Query with B64 Encoded String
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 DNS Query with B64 Encoded String
id: 4153a907-2451-4e4f-a578-c52bb6881432
status: test
description: Detects suspicious DNS queries using base64 encoding
references:
- https://github.com/krmaxwell/dns-exfiltration
author: Florian Roth (Nextron Systems)
date: 2018-05-10
modified: 2022-10-09
tags:
- attack.exfiltration
- attack.t1048.003
- attack.command-and-control
- attack.t1071.004
logsource:
category: dns
detection:
selection:
query|contains: '==.'
condition: selection
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/network/dns/net_dns_susp_b64_queries.yml