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
Download From Suspicious TLD - Whitelist
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Download From Suspicious TLD - Whitelist
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: Download From Suspicious TLD - Whitelist
id: b5de2919-b74a-4805-91a7-5049accbaefe
related:
- id: 00d0b5ab-1f55-4120-8e83-487c0a7baf19
type: similar
status: test
description: Detects executable downloads from suspicious remote systems
references:
- Internal Research
author: Florian Roth (Nextron Systems)
date: 2017-03-13
modified: 2023-05-18
tags:
- attack.initial-access
- attack.t1566
- attack.execution
- attack.t1203
- attack.t1204.002
logsource:
category: proxy
detection:
selection:
c-uri-extension:
- 'exe'
- 'vbs'
- 'bat'
- 'rar'
- 'ps1'
- 'doc'
- 'docm'
- 'xls'
- 'xlsm'
- 'pptm'
- 'rtf'
- 'hta'
- 'dll'
- 'ws'
- 'wsf'
- 'sct'
- 'zip'
# If you want to add more extensions - see https://docs.google.com/spreadsheets/d/1TWS238xacAto-fLKh1n5uTsdijWdCEsGIM0Y0Hvmc5g/
filter:
cs-host|endswith:
- '.com'
- '.org'
- '.net'
- '.edu'
- '.gov'
- '.uk'
- '.ca'
- '.de'
- '.jp'
- '.fr'
- '.au'
- '.us'
- '.ch'
- '.it'
- '.nl'
- '.se'
- '.no'
- '.es'
# Extend this list as needed
condition: selection and not filter
falsepositives:
- All kind of software downloads
level: low
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/web/proxy_generic/proxy_download_susp_tlds_whitelist.yml