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Convert indexed Sigma rules into analyst-ready detections.
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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
Winlogon AllowMultipleTSSessions Enable
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Winlogon AllowMultipleTSSessions Enable
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: Winlogon AllowMultipleTSSessions Enable
id: f7997770-92c3-4ec9-b112-774c4ef96f96
status: test
description: |
Detects when the 'AllowMultipleTSSessions' value is enabled.
Which allows for multiple Remote Desktop connection sessions to be opened at once.
This is often used by attacker as a way to connect to an RDP session without disconnecting the other users
references:
- http://blog.talosintelligence.com/2022/09/lazarus-three-rats.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-09
modified: 2023-08-17
tags:
- attack.persistence
- attack.defense-evasion
- attack.t1112
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|endswith: '\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions'
Details|endswith: DWORD (0x00000001)
condition: selection
falsepositives:
- Legitimate use of the multi session functionality
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_set/registry_set_winlogon_allow_multiple_tssessions.yml