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
Shell Invocation Via Ssh - Linux
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Shell Invocation Via Ssh - Linux
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: Shell Invocation Via Ssh - Linux
id: 8737b7f6-8df3-4bb7-b1da-06019b99b687
status: test
description: |
Detects the use of the "ssh" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
- https://gtfobins.github.io/gtfobins/ssh/
- https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-08-29
tags:
- attack.execution
- attack.t1059
logsource:
category: process_creation
product: linux
detection:
selection_img:
Image|endswith: '/ssh'
CommandLine|contains:
- 'ProxyCommand=;'
- 'permitlocalcommand=yes'
- 'localhost'
selection_cli:
CommandLine|contains:
- '/bin/bash'
- '/bin/dash'
- '/bin/fish'
- '/bin/sh'
- '/bin/zsh'
- 'sh 0<&2 1>&2'
- 'sh 1>&2 0<&2'
condition: all 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/linux/process_creation/proc_creation_lnx_ssh_shell_execution.yml