Adjustments for POSIX meterpreter patching

Author: OJ

lib/rex/post/meterpreter/client_core.rb

@@ -659,7 +659,7 @@ def generate_windows_stub(process)
     # This should be done by the reflective loader payloads
     #else
     #  # Just patch the timeouts, which are consistent on each of the payloads.
-    #  Rex::Payloads::Meterpreter::Patch.patch_passive_service!(blob,
+    #  Rex::Payloads::Meterpreter::Patch.patch_timeouts!(blob,
     #    :expiration   => self.client.expiration,
     #    :comm_timeout => self.client.comm_timeout,
     #    :retry_total  => self.client.retry_total,
@@ -675,6 +675,12 @@ def generate_linux_stub
       f.read(f.stat.size)
     }
 
+    Rex::Payloads::Meterpreter::Patch.patch_timeouts!(blob,
+      :expiration   => self.client.expiration,
+      :comm_timeout => self.client.comm_timeout,
+      :retry_total  => self.client.retry_total,
+      :retry_wait   => self.client.retry_wait)
+
     blob
   end
 

modules/payloads/stages/linux/x86/meterpreter.rb

@@ -8,6 +8,9 @@
 require 'msf/base/sessions/meterpreter_options'
 require 'rex/elfparsey'
 
+# Provides methods to patch options into the metsrv stager.
+require 'rex/payloads/meterpreter/patch'
+
 module Metasploit3
   include Msf::Sessions::MeterpreterOptions
 
@@ -100,10 +103,16 @@ def generate_stage
     #file = File.join(Msf::Config.data_directory, "msflinker_linux_x86.elf")
     file = File.join(Msf::Config.data_directory, "meterpreter", "msflinker_linux_x86.bin")
 
-    met = File.open(file, "rb") {|f|
+    blob = File.open(file, "rb") {|f|
       f.read(f.stat.size)
     }
 
-    return met
+    Rex::Payloads::Meterpreter::Patch.patch_timeouts!(blob,
+      :expiration    => datastore['SessionExpirationTimeout'].to_i,
+      :comm_timeout  => datastore['SessionCommunicationTimeout'].to_i,
+      :retry_total   => datastore['SessionRetryTotal'].to_i,
+      :retry_wait    => datastore['SessionRetryWait'].to_i)
+
+    return blob
   end
 end