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
Sysmon Configuration Error
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Sysmon Configuration Error
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: Sysmon Configuration Error
id: 815cd91b-7dbc-4247-841a-d7dd1392b0a8
status: test
description: Detects when an adversary is trying to hide it's action from Sysmon logging based on error messages
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
- https://talesfrominfosec.blogspot.com/2017/12/killing-sysmon-silently.html
author: frack113
date: 2021-06-04
modified: 2022-07-07
tags:
- attack.defense-evasion
- attack.t1564
logsource:
product: windows
category: sysmon_error
detection:
selection_error:
Description|contains:
- 'Failed to open service configuration with error'
- 'Failed to connect to the driver to update configuration'
filter_generic_english:
Description|contains|all:
- 'Failed to open service configuration with error'
- 'Last error: The media is write protected.'
filter_by_errorcode:
Description|contains:
- 'Failed to open service configuration with error 19'
- 'Failed to open service configuration with error 93'
condition: selection_error and not 1 of filter*
falsepositives:
- Legitimate administrative action
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/sysmon/sysmon_config_modification_error.yml