114 lines
2.3 KiB
Ruby
114 lines
2.3 KiB
Ruby
module Msf
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require 'msf/core/exploit/tcp'
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###
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#
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# This module exposes methods that may be useful to exploits that deal with
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# servers that speak the IMAP protocol.
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#
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###
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module Exploit::Remote::Imap
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include Exploit::Remote::Tcp
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#
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# Creates an instance of an IMAP exploit module.
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#
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def initialize(info = {})
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super
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# Register the options that all IMAP exploits may make use of.
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register_options(
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[
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Opt::RHOST,
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Opt::RPORT(143),
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OptString.new('IMAPUSER', [ false, 'The username to authenticate as']),
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OptString.new('IMAPPASS', [ false, 'The password for the specified username'])
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], Msf::Exploit::Remote::Imap)
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end
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#
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# This method establishes a IMAP connection to host and port specified by
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# the RHOST and RPORT options, respectively. After connecting, the banner
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# message is read in and stored in the 'banner' attribute.
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#
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def connect(global = true)
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print_status("Connecting to IMAP server #{rhost}:#{rport}...")
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fd = super
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# Wait for a banner to arrive...
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self.banner = fd.get_once
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print_status("Connected to target IMAP server.")
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# Return the file descriptor to the caller
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fd
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end
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#
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# Connect and login to the remote IMAP server using the credentials
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# that have been supplied in the exploit options.
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#
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def connect_login(global = true)
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ftpsock = connect(global)
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if !(user and pass)
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print_status("No username and password were supplied, unable to login")
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return false
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end
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print_status("Authenticating as #{user} with password #{pass}...")
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res = raw_send_recv("a001 LOGIN #{user} #{pass}\r\n")
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if (res !~ /^a001 OK/)
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print_status("Authentication failed")
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return false
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end
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return true
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end
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#
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# This method transmits an IMAP command and waits for a response. If one is
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# received, it is returned to the caller.
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#
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def raw_send_recv(cmd, nsock = self.sock)
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nsock.put(cmd)
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nsock.get_once
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end
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##
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#
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# Wrappers for getters
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#
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##
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#
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# Returns the user string from the 'IMAPUSER' option.
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#
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def user
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datastore['IMAPUSER']
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end
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#
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# Returns the user string from the 'IMAPPASS' option.
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#
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def pass
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datastore['IMAPPASS']
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end
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protected
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#
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# This attribute holds the banner that was read in after a successful call
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# to connect or connect_login.
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#
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attr_accessor :banner
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end
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end |