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
Suspect Svchost Activity
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspect Svchost Activity
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: Suspect Svchost Activity
id: 16c37b52-b141-42a5-a3ea-bbe098444397
status: test
description: It is extremely abnormal for svchost.exe to spawn without any CLI arguments and is normally observed when a malicious process spawns the process and injects code into the process memory space.
references:
- https://web.archive.org/web/20180718061628/https://securitybytes.io/blue-team-fundamentals-part-two-windows-processes-759fe15965e2
author: David Burkett, @signalblur
date: 2019-12-28
modified: 2022-06-27
tags:
- attack.defense-evasion
- attack.privilege-escalation
- attack.t1055
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|endswith: 'svchost.exe'
Image|endswith: '\svchost.exe'
filter:
- ParentImage|endswith:
- '\rpcnet.exe'
- '\rpcnetp.exe'
- CommandLine: null # no CommandLine value available
condition: selection and not filter
falsepositives:
- Rpcnet.exe / rpcnetp.exe which is a lojack style software. https://www.blackhat.com/docs/us-14/materials/us-14-Kamlyuk-Kamluk-Computrace-Backdoor-Revisited.pdf
level: high
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_svchost_execution_with_no_cli_flags.yml