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
DPAPI Backup Keys And Certificate Export Activity IOC
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
DPAPI Backup Keys And Certificate Export Activity IOC
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: DPAPI Backup Keys And Certificate Export Activity IOC
id: 7892ec59-c5bb-496d-8968-e5d210ca3ac4
status: test
description: |
Detects file names with specific patterns seen generated and used by tools such as Mimikatz and DSInternals related to exported or stolen DPAPI backup keys and certificates.
references:
- https://www.dsinternals.com/en/dpapi-backup-key-theft-auditing/
- https://github.com/MichaelGrafnetter/DSInternals/blob/39ee8a69bbdc1cfd12c9afdd7513b4788c4895d4/Src/DSInternals.Common/Data/DPAPI/DPAPIBackupKey.cs#L28-L32
author: Nounou Mbeiri, Nasreddine Bencherchali (Nextron Systems)
date: 2024-06-26
tags:
- attack.credential-access
- attack.t1555
- attack.t1552.004
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename|contains:
- 'ntds_capi_'
- 'ntds_legacy_'
- 'ntds_unknown_'
TargetFilename|endswith:
- '.cer'
- '.key'
- '.pfx'
- '.pvk'
condition: selection
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_susp_dpapi_backup_and_cert_export_ioc.yml