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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Potential DLL Sideloading Using Coregen.exe
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Potential DLL Sideloading Using Coregen.exe
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Potential DLL Sideloading Using Coregen.exe
id: 0fa66f66-e3f6-4a9c-93f8-4f2610b00171
status: test
description: Detect usage of the "coregen.exe" (Microsoft CoreCLR Native Image Generator) binary to sideload arbitrary DLLs.
references:
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Coregen/
author: frack113
date: 2022-12-31
tags:
- attack.privilege-escalation
- attack.defense-evasion
- attack.t1218
- attack.t1055
logsource:
category: image_load
product: windows
detection:
selection:
Image|endswith: '\coregen.exe'
filter_main_legit_paths:
ImageLoaded|startswith:
- 'C:\Program Files (x86)\Microsoft Silverlight\'
- 'C:\Program Files\Microsoft Silverlight\'
- 'C:\Windows\System32\'
- 'C:\Windows\SysWOW64\'
condition: selection and not 1 of filter_main_*
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/image_load/image_load_side_load_coregen.yml