arrow_back
search
close

BKDR_TRANSMIT.AB

October 08, 2012
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This backdoor is a command line tool which is capable of redirecting network traffic from a port to another port.

This backdoor may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

It acts as a proxy server to allow remote malicious user to use the affected systems to hide their identities when performing malicious activities.

  TECHNICAL DETAILS

Ports:

User-specified

File Size:

32,768 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

16 Sep 2010

Arrival Details

This backdoor may arrive bundled with malware packages as a malware component.

It may be dropped by other malware.

Proxy Server Routine

This backdoor acts as a proxy server to allow remote malicious user to use the affected systems to hide their identities when performing malicious activities.

Other Details

Based on analysis of the codes, it has the following capabilities:

  • Performs actions based on the following parameters:
    • -listen - redirect traffic from local port to another
    • -tran - redirect traffic from local port to a port on a remote machine
    • -slave - query the remote machine and transmit traffic to a different machine

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Identify and terminate files detected as BKDR_TRANSMIT.AB

[ Learn More ]
  1. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  2. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

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


Did this description help? Tell us how we did.