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
Credential Dumping Attempt Via WerFault
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Credential Dumping Attempt Via WerFault
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: Credential Dumping Attempt Via WerFault
id: e5b33f7d-eb93-48b6-9851-09e1e610b6d7
status: test
description: Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up.
references:
- https://github.com/helpsystems/nanodump/commit/578116faea3d278d53d70ea932e2bbfe42569507
author: Florian Roth (Nextron Systems)
date: 2012-06-27
modified: 2023-11-29
tags:
- attack.credential-access
- attack.t1003.001
- attack.s0002
logsource:
category: process_access
product: windows
detection:
selection:
SourceImage|endswith: '\WerFault.exe'
TargetImage|endswith: '\lsass.exe'
GrantedAccess: '0x1FFFFF'
condition: selection
falsepositives:
- Actual failures in lsass.exe that trigger a crash dump (unlikely)
- Unknown cases in which WerFault accesses lsass.exe
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_access/proc_access_win_lsass_werfault.yml