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
Kalambur Backdoor Curl TOR SOCKS Proxy Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Kalambur Backdoor Curl TOR SOCKS Proxy Execution
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: Kalambur Backdoor Curl TOR SOCKS Proxy Execution
id: e99375eb-3ee0-407a-9f90-79569cc6a01c
status: experimental
description: Detects the execution of the "curl.exe" command, referencing "SOCKS" and ".onion" domains, which could be indicative of Kalambur backdoor activity.
references:
- https://blog.eclecticiq.com/sandworm-apt-targets-ukrainian-users-with-trojanized-microsoft-kms-activation-tools-in-cyber-espionage-campaigns
author: Arda Buyukkaya (EclecticIQ)
date: 2025-02-11
tags:
- attack.execution
- attack.command-and-control
- attack.t1090
- attack.t1573
- attack.t1071.001
- attack.t1059.001
- attack.s0183
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith: '\curl.exe'
selection_socks:
CommandLine|contains:
- 'socks5h://'
- 'socks5://'
- 'socks4a://'
selection_onion:
CommandLine|contains: '.onion'
condition: all of selection_*
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2025/Malware/proc_creation_win_malware_kalambur_curl_socks_tor.yml