Backdoors | DataProtectionCenter.com

Trojan.Hosts malware infects eight thousand computers every day

12

Mar

2013

Russian anti-virus company Doctor Web is warning users about the growing number of compromised websites from which Trojan.Hosts malware is being downloaded onto computers. In early 2013 the threat spread at almost epidemic magnitude. The outbreak remained at its peak in January and mid-February when as many as 9,500 computer infections were being registered every […]

Category General Written by Virus alerts 0 Comments

The “hidden” backdoor – VirTool:WinNT/Exforel.A

10

Dec

2012

Recently we discovered an advanced backdoor sample – VirTool:WinNT/Exforel.A. Unlike traditional backdoor samples, this backdoor is implemented at the NDIS (Network Driver Interface Specification) level. VirTool:WinNT/Exforel.A implements a simple private TCP/IP stack and hooks NDIS_OPEN_BLOCK for the TCP/IP protocol, as shown in Figure 1. Figure 1: Hooked functions in NDIS_OPEN_BLOCK This means that backdoor-related TCP traffic will be diverted to the private […]

Category General Written by Microsoft Malware Protection Center 0 Comments

All copy and paste makes Jack a bored boy

31

Oct

2012

We recently came across what appeared to be a new sample, but was actually part of malware discovered in 2010. This new-old sample is built from publicly available source code and, like many of its kind, is frequently rebranded. Because of all the changes that malware authors have made, we have detection for each customized […]

Category General Written by Microsoft Malware Protection Center 0 Comments

The Latest in IT Security

Posts Tagged ‘Backdoors’

Trojan.Hosts malware infects eight thousand computers every day

The “hidden” backdoor – VirTool:WinNT/Exforel.A

All copy and paste makes Jack a bored boy

Categories

Featured

Archives

Latest Comments

About Us

Contact Us