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
File Download Via Curl.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
File Download Via Curl.EXE
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: File Download Via Curl.EXE
id: 9a517fca-4ba3-4629-9278-a68694697b81
related:
- id: bbeaed61-1990-4773-bf57-b81dbad7db2d # Basic curl execution
type: derived
- id: e218595b-bbe7-4ee5-8a96-f32a24ad3468 # Suspicious curl execution
type: derived
status: test
description: Detects file download using curl.exe
references:
- https://web.archive.org/web/20200128160046/https://twitter.com/reegun21/status/1222093798009790464
author: Florian Roth (Nextron Systems)
date: 2022-07-05
modified: 2023-02-21
tags:
- attack.command-and-control
- attack.t1105
- detection.threat-hunting
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\curl.exe'
- Product: 'The curl executable'
selection_remote:
CommandLine|contains:
- ' -O' # covers the alias for --remote-name and --output
- '--remote-name'
- '--output'
condition: all of selection_*
falsepositives:
- Scripts created by developers and admins
- Administrative activity
- The "\Git\usr\bin\sh.exe" process uses the "--output" flag to download a specific file in the temp directory with the pattern "gfw-httpget-xxxxxxxx.txt "
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-threat-hunting/windows/process_creation/proc_creation_win_curl_download.yml