performance fix for host discovery post modules

Author: rsmudge

modules/post/multi/gather/ping_sweep.rb

@@ -97,8 +97,8 @@ def run
 						end
 
 					end
-					a.map {|x| x.join }
 				end
+				a.map {|x| x.join }
 			end
 		rescue Rex::TimeoutError, Rex::Post::Meterpreter::RequestError
 		rescue ::Exception => e

modules/post/windows/gather/arp_scanner.rb

@@ -64,6 +64,7 @@ def arp_scan(cidr,threads)
 		end
 
 		while(not iplst.nil? and not iplst.empty?)
+			a = []
 			1.upto(threads) do
 				a << framework.threads.spawn("Module(#{self.refname})", false, iplst.shift) do |ip_text|
 					next if ip_text.nil?
@@ -79,8 +80,8 @@ def arp_scan(cidr,threads)
 						report_note(:host  => ip_text, :type  => "mac_oui", :data  => company)
 					end
 				end
-				a.map {|x| x.join }
 			end
+			a.map {|x| x.join }
 		end
 		return found
 	end