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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Potential Application Whitelisting Bypass via Dnx.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential Application Whitelisting Bypass via Dnx.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: Potential Application Whitelisting Bypass via Dnx.EXE
id: 81ebd28b-9607-4478-bf06-974ed9d53ed7
status: test
description: |
Detects the execution of Dnx.EXE. The Dnx utility allows for the execution of C# code.
Attackers might abuse this in order to bypass application whitelisting.
references:
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Csi/
- https://enigma0x3.net/2016/11/17/bypassing-application-whitelisting-by-using-dnx-exe/
author: Beyu Denis, oscd.community
date: 2019-10-26
modified: 2024-04-24
tags:
- attack.defense-evasion
- attack.t1218
- attack.t1027.004
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\dnx.exe'
condition: selection
falsepositives:
- Legitimate use of dnx.exe by legitimate user
level: medium
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_dnx_execute_csharp_code.yml