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
Curl.EXE Execution With Custom UserAgent
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Curl.EXE Execution With Custom UserAgent
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: Curl.EXE Execution With Custom UserAgent
id: 3286d37a-00fd-41c2-a624-a672dcd34e60
status: test
description: Detects execution of curl.exe with custom useragent options
references:
- https://curl.se/docs/manpage.html
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1071.001/T1071.001.md#atomic-test-2---malicious-user-agents---cmd
author: frack113
date: 2022-01-23
modified: 2023-02-21
tags:
- attack.command-and-control
- attack.t1071.001
- detection.threat-hunting
logsource:
category: process_creation
product: windows
detection:
selection_curl:
- Image|endswith: '\curl.exe'
- Product: 'The curl executable'
selection_opt:
CommandLine|contains:
- ' -A '
- ' --user-agent '
condition: all of selection_*
falsepositives:
- Scripts created by developers and admins
- Administrative activity
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_useragent.yml