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
IIS Native-Code Module Command Line Installation
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
IIS Native-Code Module Command Line Installation
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: IIS Native-Code Module Command Line Installation
id: 9465ddf4-f9e4-4ebd-8d98-702df3a93239
status: test
description: Detects suspicious IIS native-code module installations via command line
references:
- https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/
- https://www.microsoft.com/security/blog/2022/07/26/malicious-iis-extensions-quietly-open-persistent-backdoors-into-servers/
author: Florian Roth (Nextron Systems)
date: 2019-12-11
modified: 2024-03-13
tags:
- attack.persistence
- attack.t1505.003
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\appcmd.exe'
- OriginalFileName: 'appcmd.exe'
selection_cli:
CommandLine|contains|all:
- 'install'
- 'module'
CommandLine|contains|windash: '-name:'
filter_iis_setup:
ParentImage: 'C:\Windows\System32\inetsrv\iissetup.exe'
condition: all of selection_* and not 1 of filter_*
falsepositives:
- Unknown as it may vary from organisation to organisation how admins use to install IIS modules
level: medium
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_iis_appcmd_susp_module_install.yml