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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
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17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Powershell Executed From Headless ConHost Process
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Powershell Executed From Headless ConHost Process
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: Powershell Executed From Headless ConHost Process
id: 056c7317-9a09-4bd4-9067-d051312752ea
related:
- id: 00ca75ab-d5ce-43be-b86c-55ff39c6abfc
type: derived
status: test
description: |
Detects the use of powershell commands from headless ConHost window.
The "--headless" flag hides the windows from the user upon execution.
references:
- https://www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software
author: Matt Anderson (Huntress)
date: 2024-07-23
tags:
- attack.defense-evasion
- attack.execution
- attack.t1059.001
- attack.t1059.003
- attack.t1564.003
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\conhost.exe'
- OriginalFileName: 'CONHOST.EXE'
selection_cli:
CommandLine|contains|all:
- '--headless'
- 'powershell'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_conhost_headless_powershell/info.yml
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_conhost_headless_powershell.yml