Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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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
Process Memory Dump Via Dotnet-Dump
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Process Memory Dump Via Dotnet-Dump
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: Process Memory Dump Via Dotnet-Dump
id: 53d8d3e1-ca33-4012-adf3-e05a4d652e34
status: test
description: |
Detects the execution of "dotnet-dump" with the "collect" flag. The execution could indicate potential process dumping of critical processes such as LSASS.
references:
- https://learn.microsoft.com/en-us/dotnet/core/diagnostics/dotnet-dump#dotnet-dump-collect
- https://twitter.com/bohops/status/1635288066909966338
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-03-14
tags:
- attack.defense-evasion
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\dotnet-dump.exe'
- OriginalFileName: 'dotnet-dump.dll'
selection_cli:
CommandLine|contains: 'collect'
condition: all of selection_*
falsepositives:
- Process dumping is the expected behavior of the tool. So false positives are expected in legitimate usage. The PID/Process Name of the process being dumped needs to be investigated
level: medium
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_dotnetdump_memory_dump.yml