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
Remote CHM File Download/Execution Via HH.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Remote CHM File Download/Execution Via HH.EXE
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: Remote CHM File Download/Execution Via HH.EXE
id: f57c58b3-ee69-4ef5-9041-455bf39aaa89
status: test
description: Detects the usage of "hh.exe" to execute/download 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
- https://www.zscaler.com/blogs/security-research/unintentional-leak-glimpse-attack-vectors-apt37
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-29
modified: 2024-01-31
tags:
- attack.defense-evasion
- attack.t1218.001
logsource:
category: process_creation
product: windows
detection:
selection_img:
- OriginalFileName: 'HH.exe'
- Image|endswith: '\hh.exe'
selection_cli:
CommandLine|contains:
- 'http://'
- 'https://'
- '\\\\'
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_chm_remote_download_or_execution.yml