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
HackTool - Sliver C2 Implant Activity Pattern
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
HackTool - Sliver C2 Implant Activity Pattern
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: HackTool - Sliver C2 Implant Activity Pattern
id: 42333b2c-b425-441c-b70e-99404a17170f
status: test
description: Detects process activity patterns as seen being used by Sliver C2 framework implants
references:
- https://github.com/BishopFox/sliver/blob/79f2d48fcdfc2bee4713b78d431ea4b27f733f30/implant/sliver/shell/shell_windows.go#L36
- https://www.microsoft.com/security/blog/2022/08/24/looking-for-the-sliver-lining-hunting-for-emerging-command-and-control-frameworks/
author: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)
date: 2022-08-25
modified: 2023-03-05
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains: '-NoExit -Command [Console]::OutputEncoding=[Text.UTF8Encoding]::UTF8'
condition: selection
falsepositives:
- Unlikely
level: critical
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_sliver_c2_execution_pattern.yml