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Threat Encyclopedia

EXPL_EXECOD.C

Malware type: Exploit

Aliases: JS/Exploit-BO.gen (McAfee), Bloodhound.Exploit.117 (Symantec), EXP/HTML.IframeBof.104 (Avira),

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Overall risk rating:

Reported infections:

Damage potential:

High

Distribution potential:

Low

Description: 

To get a one-glance comprehensive view of the behavior of this malware, refer to the Behavior Diagram shown below.

EXPL_EXECOD.C Behavior Diagram

Malware Overview

This is the Trend Micro detection for specially crafted HTML Web page file that exploits a vulnerability in the way Internet Explorer (IE) handles Vector Markup Language (VML) elements.

More information about the mentioned vulnerability can be found in the following Microsoft page:

Successfully exploiting the said vulnerability crashes the Internet Explorer and allows remote users to issue commands on the affected system.

This exploit may be downloaded from the Internet.

For additional information about this threat, see:

Description created: Jan. 16, 2007 7:40:20 PM GMT -0800


TECHNICAL DETAILS


File type: HTML

Size of malware: 9,543 Bytes

Initial samples received on: Jan 16, 2007

Vulnerability used:  (MS07-004) Vulnerability in Vector Markup Language Could Allow Remote Code Execution (929969)

Details:

This is the Trend Micro detection for specially crafted HTML Web page file that exploits a vulnerability in the way Internet Explorer (IE) handles Vector Markup Language (VML) elements.

More information about the mentioned vulnerability can be found in the following Microsoft page:

Successfully exploiting the said vulnerability crashes the Internet Explorer and allows remote users to issue commands on the affected system.

This exploit may be downloaded from the Internet.

It runs on Windows 98, ME, NT, 2000, XP, and Server 2003.

Analysis By: Luis Antonio P. Magisa

Revision History:

First pattern file version: 4.185.00
First pattern file release date: Jan 16, 2007

SOLUTION


Minimum scan engine version needed: 8.000

Pattern file needed: 4.185.00

Pattern release date: Jan 16, 2007


Important note: The "Minimum scan engine" refers to the earliest Trend Micro scan engine version guaranteed to detect this threat. However, Trend Micro strongly recommends that you update to the latest version in order to get comprehensive protection. Download the latest scan engine here.

Solution:

Important Windows ME/XP Cleaning Instructions

Users running Windows ME and XP must disable System Restore to allow full scanning of infected computers.

Users running other Windows versions can proceed with the succeeding solution set(s).

Running Trend Micro Antivirus

If you are currently running in safe mode, please restart your computer normally before performing the following solution.

Scan your computer with Trend Micro antivirus and delete files detected as EXPL_EXECOD.C. To do this, Trend Micro customers must download the latest virus pattern file and scan their computer. Other Internet users can use HouseCall, the Trend Micro online virus scanner.

Applying Patch

This malware exploits a known vulnerability in Internet Explorer. Download and install the fix patch supplied by Microsoft. Refrain from using this product until the appropriate patch has been installed. Trend Micro advises users to download critical patches upon release by vendors.




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