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Elastic Docs ›Elastic Security Solution [8.13] ›Downloadable rule update v8.13.21

Attempt to Establish VScode Remote Tunnel

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Attempt to Establish VScode Remote Tunnel

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Detects the execution of the VScode portable binary with the tunnel command line option indicating an attempt to establish a remote tunnel session to Github or a remote VScode instance.

Rule type: eql

Rule indices:

  • logs-endpoint.events.process-*
  • winlogbeat-*
  • logs-windows.sysmon_operational-*
  • logs-system.security*
  • endgame-*
  • logs-sentinel_one_cloud_funnel.*
  • logs-m365_defender.event-*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Command and Control
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend
  • Data Source: Sysmon
  • Data Source: SentinelOne
  • Data Source: Microsoft Defender for Endpoint
  • Data Source: System

Version: 3

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" and
  process.args : "tunnel" and (process.args : "--accept-server-license-terms" or process.name : "code*.exe") and
  not (process.name == "code-tunnel.exe" and process.args == "status" and process.parent.name == "Code.exe")

Framework: MITRE ATT&CKTM

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