fix: remove sub technique for exe service generation

Author: dledda-r7

lib/msf/util/exe.rb

@@ -708,31 +708,26 @@ def self.to_win64pe_service(framework, code, opts = {})
     # Allow the user to specify their own service EXE template
     set_template_default(opts, "template_x64_windows_svc.exe")
     opts[:exe_type] = :service_exe
-    if code.length >= 8192
-      # Try to inject code into executable by adding a section without affecting executable behavior
-      if opts[:inject]
-        injector = Msf::Exe::SegmentInjector.new({
-         :payload  => code,
-         :template => opts[:template],
-         :arch     => :x64,
-         :secname  => opts[:secname]
-        })
-        pe = injector.generate_pe
-      else
-        # Append a new section instead
-        appender = Msf::Exe::SegmentAppender.new({
-          :payload  => code,
-          :template => opts[:template],
-          :arch     => :x64,
-          :secname	=> opts[:secname]
-        })
-        pe =  appender.generate_pe
-      end
-      
-      return pe
+    # Try to inject code into executable by adding a section without affecting executable behavior
+    if opts[:inject]
+      injector = Msf::Exe::SegmentInjector.new({
+        :payload  => code,
+        :template => opts[:template],
+        :arch     => :x64,
+        :secname  => opts[:secname]
+      })
+      pe = injector.generate_pe
     else
-      return exe_sub_method(code,opts)
+      # Append a new section instead
+      appender = Msf::Exe::SegmentAppender.new({
+        :payload  => code,
+        :template => opts[:template],
+        :arch     => :x64,
+        :secname	=> opts[:secname]
+      })
+      pe =  appender.generate_pe
     end
+    return pe
   end
 
   # self.set_template_default_winpe_dll