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 Cobalt Strike DNS Beaconing - Sysmon
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Cobalt Strike DNS Beaconing - Sysmon
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 Cobalt Strike DNS Beaconing - Sysmon
id: f356a9c4-effd-4608-bbf8-408afd5cd006
related:
- id: 0d18728b-f5bf-4381-9dcf-915539fff6c2
type: similar
status: test
description: Detects a program that invoked suspicious DNS queries known from Cobalt Strike beacons
references:
- https://www.icebrg.io/blog/footprints-of-fin7-tracking-actor-patterns
- https://www.sekoia.io/en/hunting-and-detecting-cobalt-strike/
author: Florian Roth (Nextron Systems)
date: 2021-11-09
modified: 2023-01-16
tags:
- attack.command-and-control
- attack.t1071.004
logsource:
product: windows
category: dns_query
detection:
selection1:
QueryName|startswith:
- 'aaa.stage.'
- 'post.1'
selection2:
QueryName|contains: '.stage.123456.'
condition: 1 of selection*
falsepositives:
- Unknown
level: critical
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/dns_query/dns_query_win_mal_cobaltstrike.yml