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
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Active Rule
Potential CobaltStrike Process Patterns
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential CobaltStrike Process Patterns
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: Potential CobaltStrike Process Patterns
id: f35c5d71-b489-4e22-a115-f003df287317
status: test
description: Detects potential process patterns related to Cobalt Strike beacon activity
references:
- https://hausec.com/2021/07/26/cobalt-strike-and-tradecraft/
- https://thedfirreport.com/2021/08/29/cobalt-strike-a-defenders-guide/
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2021-07-27
modified: 2023-03-29
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection_generic_1:
CommandLine|endswith: 'cmd.exe /C whoami'
ParentImage|startswith: 'C:\Temp\'
selection_generic_2:
ParentImage|endswith:
- '\runonce.exe'
- '\dllhost.exe'
CommandLine|contains|all:
- 'cmd.exe /c echo'
- '> \\\\.\\pipe'
selection_conhost_1:
ParentCommandLine|contains|all:
- 'cmd.exe /C echo'
- ' > \\\\.\\pipe'
CommandLine|endswith: 'conhost.exe 0xffffffff -ForceV1'
selection_conhost_2:
ParentCommandLine|endswith: '/C whoami'
CommandLine|endswith: 'conhost.exe 0xffffffff -ForceV1'
condition: 1 of 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/process_creation/proc_creation_win_hktl_cobaltstrike_process_patterns.yml