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
HH.EXE Initiated HTTP Network Connection
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
HH.EXE Initiated HTTP Network Connection
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: HH.EXE Initiated HTTP Network Connection
id: 468a8cea-2920-4909-a593-0cbe1d96674a
related:
- id: f57c58b3-ee69-4ef5-9041-455bf39aaa89
type: derived
status: test
description: |
Detects a network connection initiated by the "hh.exe" process to HTTP destination ports, which could indicate the execution/download of remotely hosted .chm files.
references:
- https://www.splunk.com/en_us/blog/security/follina-for-protocol-handlers.html
- https://github.com/redcanaryco/atomic-red-team/blob/1cf4dd51f83dcb0ebe6ade902d6157ad2dbc6ac8/atomics/T1218.001/T1218.001.md
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-05
tags:
- attack.defense-evasion
- attack.t1218.001
- detection.threat-hunting
logsource:
category: network_connection
product: windows
detection:
selection:
Image|endswith: '\hh.exe'
Initiated: 'true'
DestinationPort:
- 80
- 443
condition: selection
falsepositives:
- False positive is expected from launching "hh.exe" for the first time on a machine in a while or simply from help files containing reference to external sources. Best correlate this with process creation and file events.
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/network_connection/net_connection_win_hh_http_connection.yml