Analysis by: Cris Nowell Pantanilla
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 1,092 bytes
File Type: ASP
Memory Resident: No
Initial Samples Received Date: 07 Apr 2011

Arrival Details

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

Other Details

This Hacking Tool does the following:

  • Run arbitrary Windows commands.
  • Extract database connection strings from configuration files.
  • Execute arbitrary SQL queries.

NOTES:

This hacking tool may be hosted on a remote server and execute commands using a web shell interface. This allows user to manipulate files or perform queries on the host server.

  SOLUTION

Minimum Scan Engine: 9.850
SSAPI PATTERN File: 1.164.28
SSAPI PATTERN Date: 07 Apr 2011

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as HKTL_WEBSHELL. 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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