Files
beef/extensions/xssrays/handler.rb

98 lines
3.6 KiB
Ruby

#
# Copyright 2011 Wade Alcorn wade@bindshell.net
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module BeEF
module Extension
module Xssrays
class Handler
XS = BeEF::Core::Models::Xssraysscan
XD = BeEF::Core::Models::Xssraysdetail
HB = BeEF::Core::Models::HookedBrowser
def call(env)
@request = Rack::Request.new(env)
# verify if the request contains the hook token
# raise an exception if it's null or not found in the DB
beef_hook = @request['hbsess'] || nil
raise WEBrick::HTTPStatus::BadRequest,
"[XSSRAYS] Invalid beefhook id: the hooked browser cannot be found in the database" if beef_hook.nil? || HB.first(:session => beef_hook) == nil
rays_scan_id = @request['raysid'] || nil
raise WEBrick::HTTPStatus::BadRequest, "[XSSRAYS] Raysid is null" if rays_scan_id.nil?
if @request['action'] == 'ray'
# we received a ray
parse_rays(rays_scan_id)
else
if @request['action'] == 'finish'
# we received a notification for finishing the scan
finalize_scan(rays_scan_id)
else
#invalid action
raise WEBrick::HTTPStatus::BadRequest, "[XSSRAYS] Invalid action"
end
end
response = Rack::Response.new(
body = [],
status = 200,
header = {
'Pragma' => 'no-cache',
'Cache-Control' => 'no-cache',
'Expires' => '0',
'Content-Type' => 'text/javascript',
'Access-Control-Allow-Origin' => '*',
'Access-Control-Allow-Methods' => 'POST'
}
)
response
end
# parse incoming rays: rays are verified XSS, as the attack vector is calling back BeEF when executed.
def parse_rays(rays_scan_id)
xssrays_scan = XS.first(:id => rays_scan_id)
hooked_browser = HB.first(:session => @request['hbsess'])
if (xssrays_scan != nil)
xssrays_detail = XD.new(
:hooked_browser_id => hooked_browser.id,
:vector_name => @request['n'],
:vector_method => @request['m'],
:vector_poc => @request['p'],
:xssraysscan_id => xssrays_scan.id
)
xssrays_detail.save
end
print_info("[XSSRAYS] Received ray from HB with ip [#{hooked_browser.ip.to_s}], hooked on domain [#{hooked_browser.domain.to_s}]")
print_debug("[XSSRAYS] Ray info: \n #{@request.query_string}")
end
# finalize the XssRays scan marking the scan as finished in the db
def finalize_scan(rays_scan_id)
xssrays_scan = BeEF::Core::Models::Xssraysscan.first(:id => rays_scan_id)
if (xssrays_scan != nil)
xssrays_scan.update(:is_finished => true, :scan_finish => Time.now)
print_info("[XSSRAYS] Scan id [#{xssrays_scan.id}] finished at [#{xssrays_scan.scan_finish}]")
end
end
end
end
end
end