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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
Invoke-Obfuscation Via Stdin - System
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Invoke-Obfuscation Via Stdin - System
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: Invoke-Obfuscation Via Stdin - System
id: 487c7524-f892-4054-b263-8a0ace63fc25
status: test
description: Detects Obfuscated Powershell via Stdin in Scripts
references:
- https://github.com/SigmaHQ/sigma/issues/1009 # (Task28)
author: Nikita Nazarov, oscd.community
date: 2020-10-12
modified: 2022-11-29
tags:
- attack.defense-evasion
- attack.t1027
- attack.execution
- attack.t1059.001
logsource:
product: windows
service: system
detection:
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
# ImagePath|re: '(?i)(set).*&&\s?set.*(environment|invoke|\${?input).*&&.*"'
ImagePath|contains|all:
- 'set'
- '&&'
ImagePath|contains:
- 'environment'
- 'invoke'
- 'input'
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/builtin/system/service_control_manager/win_system_invoke_obfuscation_via_stdin_services.yml