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Nuclei Templates

Hyper-V Enhanced Session Mode Enabled

ID: hyperv-enhanced-session-mode-enabled

Severity: medium

Author: princechaddha

Tags: windows,hyperv,code,windows-audit

Description

Section titled “Description”

Determines if Hyper-V Enhanced Session Mode is enabled unnecessarily.

YAML Source

Section titled “YAML Source”
id: hyperv-enhanced-session-mode-enabled


info:
  name: Hyper-V Enhanced Session Mode Enabled
  author: princechaddha
  severity: medium
  description: Determines if Hyper-V Enhanced Session Mode is enabled unnecessarily.
  impact: |
    Enabling Enhanced Session Mode unnecessarily can expose the virtual machine to additional risks by increasing attack surface.
  remediation: |
    Disable Enhanced Session Mode if not required.
  tags: windows,hyperv,code,windows-audit


self-contained: true


code:
  - pre-condition: |
      IsWindows();
    engine:
      - powershell
      - powershell.exe
    args:
      - -ExecutionPolicy
      - Bypass
    pattern: "*.ps1"
    source: |
      $enhancedSession = Get-VMHost | Select-Object -ExpandProperty EnhancedSessionTransportType
      Write-Host "EnhancedSessionMode: $enhancedSession"


    matchers:
      - type: word
        words:
          - "EnhancedSessionMode: VMBus"
# digest: 4b0a00483046022100fb3af596ff992d78bfe7b65da821aeca50b0566a1479e624d0536b109e8fd03f022100862a31a71b72aa0301c931cdbaf9e6c882c18022d5800af7d32a08feea76f81f:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "code/windows/audit/hyperv-enhanced-session-mode-enabled.yaml"

View on Github