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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.

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Indexed Rules

3,707

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Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

LSASS Process Dump Artefact In CrashDumps Folder

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

LSASS Process Dump Artefact In CrashDumps Folder

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: LSASS Process Dump Artefact In CrashDumps Folder
id: 6902955a-01b7-432c-b32a-6f5f81d8f625
status: test
description: Detects the presence of an LSASS dump file in the "CrashDumps" folder. This could be a sign of LSASS credential dumping. Techniques such as the LSASS Shtinkering have been seen abusing the Windows Error Reporting to dump said process.
references:
    - https://github.com/deepinstinct/Lsass-Shtinkering
    - https://media.defcon.org/DEF%20CON%2030/DEF%20CON%2030%20presentations/Asaf%20Gilboa%20-%20LSASS%20Shtinkering%20Abusing%20Windows%20Error%20Reporting%20to%20Dump%20LSASS.pdf
author: '@pbssubhash'
date: 2022-12-08
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|startswith: 'C:\Windows\System32\config\systemprofile\AppData\Local\CrashDumps\'
        TargetFilename|contains: 'lsass.exe.'
        TargetFilename|endswith: '.dmp'
    condition: selection
falsepositives:
    - Rare legitimate dump of the process by the operating system due to a crash of lsass
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_lsass_shtinkering.yml