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
Remote Encrypting File System Abuse
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Remote Encrypting File System Abuse
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: Remote Encrypting File System Abuse
id: 5f92fff9-82e2-48eb-8fc1-8b133556a551
status: test
description: Detects remote RPC calls to possibly abuse remote encryption service via MS-EFSR
references:
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-EFSR.md
- https://github.com/zeronetworks/rpcfirewall
- https://zeronetworks.com/blog/stopping-lateral-movement-via-the-rpc-firewall/
author: Sagie Dulce, Dekel Paz
date: 2022-01-01
tags:
- attack.lateral-movement
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:df1941c5-fe89-4e79-bf10-463657acf44d or c681d488-d850-11d0-8c52-00c04fd90f7e'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid:
- df1941c5-fe89-4e79-bf10-463657acf44d
- c681d488-d850-11d0-8c52-00c04fd90f7e
condition: selection
falsepositives:
- Legitimate usage of remote file encryption
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/application/rpc_firewall/rpc_firewall_efs_abuse.yml