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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Lsass Memory Dump via Comsvcs DLL
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Lsass Memory Dump via Comsvcs DLL
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Lsass Memory Dump via Comsvcs DLL
id: a49fa4d5-11db-418c-8473-1e014a8dd462
status: test
description: Detects adversaries leveraging the MiniDump export function from comsvcs.dll via rundll32 to perform a memory dump from lsass.
references:
- https://twitter.com/shantanukhande/status/1229348874298388484
- https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2020-10-20
modified: 2023-11-29
tags:
- attack.credential-access
- attack.t1003.001
logsource:
category: process_access
product: windows
detection:
selection:
TargetImage|endswith: '\lsass.exe'
SourceImage|endswith: '\rundll32.exe'
CallTrace|contains: 'comsvcs.dll'
condition: selection
falsepositives:
- Unknown
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_dump_comsvcs_dll.yml