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
Communication To Uncommon Destination Ports
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Communication To Uncommon Destination Ports
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: Communication To Uncommon Destination Ports
id: 6d8c3d20-a5e1-494f-8412-4571d716cf5c
related:
- id: 4b89abaa-99fe-4232-afdd-8f9aa4d20382
type: similar
status: test
description: Detects programs that connect to uncommon destination ports
references:
- https://docs.google.com/spreadsheets/d/17pSTDNpa0sf6pHeRhusvWG6rThciE8CsXTSlDUAZDyo
author: Florian Roth (Nextron Systems)
date: 2017-03-19
modified: 2024-03-12
tags:
- attack.persistence
- attack.command-and-control
- attack.t1571
logsource:
category: network_connection
product: windows
detection:
selection:
Initiated: 'true'
DestinationPort:
- 8080
- 8888
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
filter_optional_sys_directories:
Image|startswith:
- 'C:\Program Files\'
- 'C:\Program Files (x86)\'
condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
falsepositives:
- Unknown
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_susp_malware_callback_ports_uncommon.yml