Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
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Active Rule
Potential ReflectDebugger Content Execution Via WerFault.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential ReflectDebugger Content Execution Via WerFault.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: Potential ReflectDebugger Content Execution Via WerFault.EXE
id: fabfb3a7-3ce1-4445-9c7c-3c27f1051cdd
related:
- id: 0cf2e1c6-8d10-4273-8059-738778f981ad
type: derived
status: test
description: Detects execution of "WerFault.exe" with the "-pr" commandline flag that is used to run files stored in the ReflectDebugger key which could be used to store the path to the malware in order to masquerade the execution flow
references:
- https://cocomelonc.github.io/malware/2022/11/02/malware-pers-18.html
- https://www.hexacorn.com/blog/2018/08/31/beyond-good-ol-run-key-part-85/
author: X__Junior (Nextron Systems)
date: 2023-06-30
tags:
- attack.execution
- attack.defense-evasion
- attack.t1036
logsource:
product: windows
category: process_creation
detection:
selection_img:
- Image|endswith: '\WerFault.exe'
- OriginalFileName: 'WerFault.exe'
selection_cli:
CommandLine|contains: ' -pr '
condition: all of selection_*
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/process_creation/proc_creation_win_werfault_reflect_debugger_exec.yml