113 lines
2.7 KiB
Ruby
113 lines
2.7 KiB
Ruby
module Msf
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###
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#
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# This class hooks all sockets created by a running exploit
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#
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###
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class Plugin::SocketLogger < Msf::Plugin
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###
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#
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# This class implements a socket communication logger
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#
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###
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class MySocketEventHandler
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include Rex::Socket::Comm::Events
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def initialize(path, prefix)
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@path = path
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@prefix = prefix
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end
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def on_before_socket_create(comm, param); end
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def on_socket_created(_comm, sock, param)
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# Sockets created by the exploit have MsfExploit set and MsfPayload not set
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if param.context && param.context['MsfExploit'] && !param.context['MsfPayload']
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sock.extend(SocketLogger::SocketTracer)
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sock.context = param.context
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sock.params = param
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sock.initlog(@path, @prefix)
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end
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end
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end
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def initialize(framework, opts)
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log_path = opts['path'] || Msf::Config.log_directory
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log_prefix = opts['prefix'] || 'socket_'
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super
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@eh = MySocketEventHandler.new(log_path, log_prefix)
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Rex::Socket::Comm::Local.register_event_handler(@eh)
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end
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def cleanup
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Rex::Socket::Comm::Local.deregister_event_handler(@eh)
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end
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def name
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'socket_logger'
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end
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def desc
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'Log socket operations to a directory as individual files'
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end
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end
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end
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# This module extends the captured socket instance
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module SocketLogger
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module SocketTracer
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@@last_id = 0
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attr_accessor :context, :params
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# Hook the write method
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def write(buf, opts = {})
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@fd.puts "WRITE\t#{buf.length}\t#{Rex::Text.encode_base64(buf)}"
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@fd.flush
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super(buf, opts)
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end
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# Hook the read method
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def read(length = nil, opts = {})
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r = super(length, opts)
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@fd.puts "READ\t#{r ? r.length : 0}\t#{Rex::Text.encode_base64(r.to_s)}"
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@fd.flush
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return r
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end
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def close(*args)
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super(*args)
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@fd.close
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end
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def format_socket_conn
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"#{params.proto.upcase} #{params.localhost}:#{params.localport} > #{params.peerhost}:#{params.peerport}"
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end
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def format_module_info
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return '' unless params.context && params.context['MsfExploit']
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if params.context['MsfExploit'].respond_to? :fullname
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return 'via ' + params.context['MsfExploit'].fullname
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end
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'via ' + params.context['MsfExploit'].to_s
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end
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def initlog(path, prefix)
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@log_path = path
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@log_prefix = prefix
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@log_id = @@last_id
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@@last_id += 1
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@fd = File.open(File.join(@log_path, "#{@log_prefix}#{@log_id}.log"), 'w')
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@fd.puts "Socket created at #{Time.now} (#{Time.now.to_i})"
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@fd.puts "Info: #{format_socket_conn} #{format_module_info}"
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@fd.puts ''
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@fd.flush
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end
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end
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end
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