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
Uninstall Sysinternals Sysmon
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Uninstall Sysinternals Sysmon
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: Uninstall Sysinternals Sysmon
id: 6a5f68d1-c4b5-46b9-94ee-5324892ea939
status: test
description: Detects the removal of Sysmon, which could be a potential attempt at defense evasion
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md#atomic-test-11---uninstall-sysmon
author: frack113
date: 2022-01-12
modified: 2024-03-13
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
category: process_creation
product: windows
detection:
selection_pe:
- Image|endswith:
- \Sysmon64.exe
- \Sysmon.exe
- Description: 'System activity monitor'
selection_cli:
CommandLine|contains|windash: '-u'
condition: all of selection_*
falsepositives:
- Legitimate administrators might use this command to remove Sysmon for debugging purposes
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_sysinternals_sysmon_uninstall.yml