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Indexed Rules
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CLI Versions
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Newest: 2.0.2
Translation Workspace
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Tune Translation
Active Rule
Renamed VsCode Code Tunnel Execution - File Indicator
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Renamed VsCode Code Tunnel Execution - File Indicator
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: Renamed VsCode Code Tunnel Execution - File Indicator
id: d102b8f5-61dc-4e68-bd83-9a3187c67377
status: test
description: |
Detects the creation of a file with the name "code_tunnel.json" which indicate execution and usage of VsCode tunneling utility by an "Image" or "Process" other than VsCode.
references:
- https://ipfyx.fr/post/visual-studio-code-tunnel/
- https://badoption.eu/blog/2023/01/31/code_c2.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-10-25
tags:
- attack.command-and-control
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename|endswith: '\code_tunnel.json'
filter_main_legit_name:
# Note: There might be other legitimate names for VsCode. Please add them if found
Image|endswith:
- '\code-tunnel.exe'
- '\code.exe'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_vscode_tunnel_renamed_execution.yml