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
DNS Query Request By QuickAssist.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
DNS Query Request By QuickAssist.EXE
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: DNS Query Request By QuickAssist.EXE
id: 882e858a-3233-4ba8-855e-2f3d3575803d
status: experimental
description: |
Detects DNS queries initiated by "QuickAssist.exe" to Microsoft Quick Assist primary endpoint that is used to establish a session.
references:
- https://www.microsoft.com/en-us/security/blog/2024/05/15/threat-actors-misusing-quick-assist-in-social-engineering-attacks-leading-to-ransomware/
- https://www.linkedin.com/posts/kevin-beaumont-security_ive-been-assisting-a-few-orgs-hit-with-successful-activity-7268055739116445701-xxjZ/
- https://x.com/cyb3rops/status/1862406110365245506
- https://learn.microsoft.com/en-us/windows/client-management/client-tools/quick-assist
author: Muhammad Faisal (@faisalusuf)
date: 2024-12-19
tags:
- attack.command-and-control
- attack.initial-access
- attack.lateral-movement
- attack.t1071.001
- attack.t1210
logsource:
category: dns_query
product: windows
detection:
selection:
Image|endswith: '\QuickAssist.exe'
QueryName|endswith: 'remoteassistance.support.services.microsoft.com'
condition: selection
falsepositives:
- Legitimate use of Quick Assist in the environment.
level: low
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/dns_query/dns_query_win_quickassist.yml