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lib/rex/post/meterpreter/packet_parser.rb
60 строк
1012 B
Brent Cook
handle masked EOF from Rex sockets (TODO: kill that behavior)
27 окт 2017, 12:29
27 окт 2017, 12:29
d188982
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# -*- coding: binary -*- module Rex module Post module Meterpreter ### # # This class is responsible for reading in and decrypting meterpreter # packets that arrive on a socket # ### class PacketParser # # Initializes the packet parser context. # def initialize reset end # # Resets the parser state so that a new packet can begin being parsed. # def reset self.packet = Packet.new(0) end # # Reads data from the socket and parses as much of the packet as possible. # def recv(sock) raw = nil if self.packet.raw_bytes_required > 0 while (raw = sock.read(self.packet.raw_bytes_required)) self.packet.add_raw(raw) break if self.packet.raw_bytes_required == 0 end end if self.packet.raw_bytes_required > 0 if raw == nil raise EOFError else return nil end end packet = self.packet reset packet end protected attr_accessor :cipher, :packet # :nodoc: end end; end; end