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 - KrbRelay Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
HackTool - KrbRelay Execution
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 - KrbRelay Execution
id: e96253b8-6b3b-4f90-9e59-3b24b99cf9b4
status: test
description: Detects the use of KrbRelay, a Kerberos relaying tool
references:
- https://github.com/cube0x0/KrbRelay
author: Florian Roth (Nextron Systems)
date: 2022-04-27
modified: 2023-02-04
tags:
- attack.credential-access
- attack.t1558.003
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\KrbRelay.exe'
- OriginalFileName: 'KrbRelay.exe' # In case the file has been renamed after compilation
selection_cli_1:
CommandLine|contains|all:
- ' -spn '
- ' -clsid '
- ' -rbcd '
selection_cli_2:
CommandLine|contains|all:
- 'shadowcred'
- 'clsid'
- 'spn'
selection_cli_3:
CommandLine|contains|all:
- 'spn '
- 'session '
- 'clsid '
condition: 1 of selection_*
falsepositives:
- Unlikely
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_krbrelay.yml