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.

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Indexed Rules

3,707

Ready to search

Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Suspicious Cobalt Strike DNS Beaconing - DNS Client

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Suspicious Cobalt Strike DNS Beaconing - DNS Client

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 - DNS Client
id: 0d18728b-f5bf-4381-9dcf-915539fff6c2
related:
    - id: f356a9c4-effd-4608-bbf8-408afd5cd006
      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: Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-16
tags:
    - attack.t1071.004
    - attack.command-and-control
logsource:
    product: windows
    service: dns-client
    definition: 'Requirements: Microsoft-Windows-DNS Client Events/Operational Event Log must be enabled/collected in order to receive the events.'
detection:
    selection_eid:
        EventID: 3008
    selection_query_1:
        QueryName|startswith:
            - 'aaa.stage.'
            - 'post.1'
    selection_query_2:
        QueryName|contains: '.stage.123456.'
    condition: selection_eid and 1 of selection_query_*
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/builtin/dns_client/win_dns_client_mal_cobaltstrike.yml