HTML_IFRAME.SMDA

 Analysis by: Michael Cabel

 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


This Trojan may be hosted on a website and run when a user accesses the said website.

This is the Trend Micro detection for files that contain malicious IFRAME tags. Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

07 Oct 2010

Payload:

Connects to URLs/Ips

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Other Details

This is the Trend Micro detection for files that contain malicious IFRAME tags.

It inserts the following IFRAME code in webpages:

  • http://{BLOCKED}.{BLOCKED}.177.38/tds/in.cgi?nine&group=ma
  • http://{BLOCKED}h.ru:8080/index.php
  • http://{BLOCKED}.{BLOCKED}.177.102/x125/ind.php
  • http://{BLOCKED}.{BLOCKED}.177.98/x125/ind.php
  • http://{BLOCKED}.{BLOCKED}.182.94/connect.cgi?id=1342
  • http://{BLOCKED}.{BLOCKED}.149.77/traff.php
  • http://{BLOCKED}t.cn/in.cgi?income
  • http://f3tyu.{BLOCKED}8.org/A/A6.htm?A402
  • http://{BLOCKED}tbig.cn:8080/index.php
  • http://jL.{BLOCKED}a.pl/rc/
  • http://{BLOCKED}te.cn/in.cgi?income
  • http://v5tG.{BLOCKED}2.orG/a/a6.htm?a402
  • http://xxx.{BLOCKED}80.com/xx.htm?id=60

Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.525.80

FIRST VSAPI PATTERN DATE:

08 Oct 2010

VSAPI OPR PATTERN File:

7.577.00

VSAPI OPR PATTERN Date:

28 Oct 2010

Step 1

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_IFRAME.SMDA If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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