Module: Msf::Exploit::Remote::SIP
- Defined in:
- lib/msf/core/exploit/sip.rb
Overview
SIP protocol support
Instance Method Summary collapse
- #create_probe(ip, proto) ⇒ Object
-
#report_response(response, rhost, proto, desired_headers = %w(User-Agent Server Allow)) ⇒ Object
Parses
response
, extracts useful metdata and then reports on it.
Instance Method Details
#create_probe(ip, proto) ⇒ Object
74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 |
# File 'lib/msf/core/exploit/sip.rb', line 74 def create_probe(ip, proto) suser = Rex::Text.rand_text_alphanumeric(rand(8) + 1) shost = Rex::Socket.source_address(ip) src = "#{shost}:#{datastore['RPORT']}" data = "OPTIONS sip:#{datastore['TO']}@#{ip} SIP/2.0\r\n" data << "Via: SIP/2.0/#{proto.upcase} #{src};branch=z9hG4bK.#{format('%.8x', rand(0x100000000))};rport;alias\r\n" data << "From: sip:#{suser}@#{src};tag=70c00e8c\r\n" data << "To: sip:#{datastore['TO']}@#{ip}\r\n" data << "Call-ID: #{rand(0x100000000)}@#{shost}\r\n" data << "CSeq: 1 OPTIONS\r\n" data << "Contact: sip:#{suser}@#{src}\r\n" data << "Max-Forwards: 20\r\n" data << "User-Agent: #{suser}\r\n" data << "Accept: application/sdp\r\n" data << "Content-Length: 0\r\n" data << "\r\n" data end |
#report_response(response, rhost, proto, desired_headers = %w(User-Agent Server Allow)) ⇒ Object
Parses response
, extracts useful metdata and then reports on it. Returns true iff the response was a valid SIP response
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
# File 'lib/msf/core/exploit/sip.rb', line 10 def report_response(response, rhost, proto, desired_headers = %w(User-Agent Server Allow)) endpoint = "#{rhost}:#{rport} #{proto}" begin = Rex::Proto::SIP::Response.parse(response) rescue ArgumentError => e vprint_error("#{endpoint} is not SIP: #{e}") return false end # Extracted headers, stored as a hash where the key is the header name # and the value is a list of all values seen for the header, covering the # case where the same header value is seen multiple times extracted_headers = {} unless desired_headers.nil? || desired_headers.empty? desired_headers.each do |desired_header| next unless (found_header = .header(desired_header)) extracted_headers[desired_header] ||= [] extracted_headers[desired_header] |= found_header end end # Create a SIP OPTIONS fingerprint hash fprint = { 'code' => .code, 'message' => . } # compact the header values, append the header information to the # fingerprint hash extracted_headers.each_pair do |k,v| value = v.join(',') extracted_headers[k] = value fprint['header_' + k.gsub('-', '_').downcase] = value end # Create a summary of the response status = .status_line.dup unless extracted_headers.keys.empty? status << ": #{extracted_headers}" end # Report the service with the status information report_service( host: rhost, port: rport, proto: proto.downcase, name: 'sip', info: status ) # Report the fingerprint information report_note( host: rhost, port: rport, proto: proto.downcase, type: "sip.options.fingerprint", data: fprint ) # Display the actual result to the user print_status(endpoint + " " + status) true end |