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
Certificate Exported Via Certutil.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Certificate Exported Via Certutil.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: Certificate Exported Via Certutil.EXE
id: 3ffd6f51-e6c1-47b7-94b4-c1e61d4117c5
status: test
description: Detects the execution of the certutil with the "exportPFX" flag which allows the utility to export certificates.
references:
- https://www.splunk.com/en_us/blog/security/a-golden-saml-journey-solarwinds-continued.html
author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community, Nasreddine Bencherchali (Nextron Systems)
date: 2023-02-15
modified: 2024-03-05
tags:
- attack.defense-evasion
- attack.t1027
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\certutil.exe'
- OriginalFileName: 'CertUtil.exe'
selection_cli:
CommandLine|contains|windash: '-exportPFX '
condition: all of selection_*
falsepositives:
- There legitimate reasons to export certificates. Investigate the activity to determine if it's benign
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_certutil_export_pfx/info.yml
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_certutil_export_pfx.yml