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
Outbound Network Connection To Public IP Via Winlogon
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Outbound Network Connection To Public IP Via Winlogon
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: Outbound Network Connection To Public IP Via Winlogon
id: 7610a4ea-c06d-495f-a2ac-0a696abcfd3b
status: test
description: Detects a "winlogon.exe" process that initiate network communications with public IP addresses
references:
- https://www.microsoft.com/en-us/security/blog/2023/04/11/guidance-for-investigating-attacks-using-cve-2022-21894-the-blacklotus-campaign/
author: Christopher Peacock @securepeacock, SCYTHE @scythe_io
date: 2023-04-28
modified: 2024-03-12
tags:
- attack.defense-evasion
- attack.execution
- attack.command-and-control
- attack.t1218.011
logsource:
category: network_connection
product: windows
detection:
selection:
Image|endswith: '\winlogon.exe'
Initiated: 'true'
filter_main_local_ranges:
DestinationIp|cidr:
- '127.0.0.0/8'
- '10.0.0.0/8'
- '172.16.0.0/12'
- '192.168.0.0/16'
- '169.254.0.0/16'
- '::1/128' # IPv6 loopback
- 'fe80::/10' # IPv6 link-local addresses
- 'fc00::/7' # IPv6 private addresses
condition: selection and not 1 of filter_main_*
falsepositives:
- Communication to other corporate systems that use IP addresses from public address spaces
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/network_connection/net_connection_win_winlogon_net_connections.yml