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
Suspicious HH.EXE Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious HH.EXE 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: Suspicious HH.EXE Execution
id: e8a95b5e-c891-46e2-b33a-93937d3abc31
status: test
description: Detects a suspicious execution of a Microsoft HTML Help (HH.exe)
references:
- https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/chm-badness-delivers-a-banking-trojan/
- https://github.com/elastic/protections-artifacts/commit/746086721fd385d9f5c6647cada1788db4aea95f#diff-27939090904026cc396b0b629c8e4314acd6f5dac40a676edbc87f4567b47eb7
- https://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/higaisa-or-winnti-apt-41-backdoors-old-and-new/
- https://www.zscaler.com/blogs/security-research/unintentional-leak-glimpse-attack-vectors-apt37
author: Maxim Pavlunin
date: 2020-04-01
modified: 2023-04-12
tags:
- attack.defense-evasion
- attack.execution
- attack.initial-access
- attack.t1047
- attack.t1059.001
- attack.t1059.003
- attack.t1059.005
- attack.t1059.007
- attack.t1218
- attack.t1218.001
- attack.t1218.010
- attack.t1218.011
- attack.t1566
- attack.t1566.001
logsource:
category: process_creation
product: windows
detection:
selection_img:
- OriginalFileName: 'HH.exe'
- Image|endswith: '\hh.exe'
selection_paths:
CommandLine|contains:
- '.application'
- '\AppData\Local\Temp\'
- '\Content.Outlook\'
- '\Downloads\'
- '\Users\Public\'
- '\Windows\Temp\'
# - '\AppData\Local\Temp\Temp?_'
# - '\AppData\Local\Temp\Rar$'
# - '\AppData\Local\Temp\7z'
# - '\AppData\Local\Temp\wz'
# - '\AppData\Local\Temp\peazip-tmp'
condition: all of selection_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_hh_susp_execution.yml