Multi Platform post module for performing IPv4 ping sweeps using host built in ping command

git-svn-id: file:///home/svn/framework3/trunk@13897 4d416f70-5f16-0410-b530-b9f4589650da

modules/post/multi/gather/ping_sweep.rb

@@ -0,0 +1,107 @@
+##
+# $Id$
+##
+
+##
+# ## This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+# http://metasploit.com/framework/
+##
+
+require 'msf/core'
+require 'rex'
+require 'msf/core/post/common'
+
+
+class Metasploit3 < Msf::Post
+
+	include Msf::Post::Common
+
+
+	def initialize(info={})
+		super( update_info( info,
+				'Name'          => 'Multi Gather Ping Sweep',
+				'Description'   => %q{ Performs IPv4 ping sweep using the OS included ping command.},
+				'License'       => MSF_LICENSE,
+				'Author'        => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>'],
+				'Version'       => '$Revision$',
+				'Platform'      => [ 'windows','linux', 'osx', 'bsd', 'solaris' ],
+				'SessionTypes'  => [ 'meterpreter','shell' ]
+			))
+		register_options(
+			[
+
+				OptAddressRange.new('RHOSTS', [true, 'IP Range to perform ping sweep against.']),
+
+			], self.class)
+	end
+
+	# Run Method for when run command is issued
+	def run
+		iprange = datastore['RHOSTS']
+		found_hosts = []
+		print_status("Performing ping sweep for IP range #{iprange}")
+		iplst = []
+		begin
+			i, a = 0, []
+			ipadd = Rex::Socket::RangeWalker.new(iprange)
+			numip = ipadd.num_ips
+			while (iplst.length < numip)
+				ipa = ipadd.next_ip
+      			if (not ipa)
+        			break
+      			end
+				iplst << ipa
+			end
+			if session.type =~ /shell/
+				# Only one thread possible when shell
+				thread_num = 1
+			else
+				# When in Meterpreter the safest thread number is 10
+				thread_num = 10
+			end
+
+			
+			iplst.each do |ip|
+				# Set count option for ping command
+				case session.platform
+				when /win/i
+					count = " -n 1 " + ip
+					cmd = "ping"
+				when /solaris/i
+					count = " #{ip} 1"
+					cmd = "/bin/ping"
+				else
+					count = " -c 1 #{ip}"
+					cmd = "/bin/ping"
+				end
+				#puts "#{cmd} #{count}"
+				if i < thread_num
+					a.push(::Thread.new {
+							r = cmd_exec(cmd, count)
+							if r =~ /(TTL|Alive)/i
+								print_status "\t#{ip} host found"
+								report_host({
+										:host => ip,
+										:comm => "Discovered trhu post ping sweep"
+									})
+							else
+								vprint_status("\t#{ip} host not found")
+							end
+
+						})
+					i += 1
+				else
+					sleep(0.05) and a.delete_if {|x| not x.alive?} while not a.empty?
+					i = 0
+				end
+			end
+			a.delete_if {|x| not x.alive?} while not a.empty?
+			
+		rescue ::Exception => e
+			print_status("The following Error was encountered: #{e.class} #{e}")
+			
+		end
+	end
+end