Threat Database Trojans Win32/IRCBot.NHR

Win32/IRCBot.NHR

By CagedTech in Trojans

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 8
First Seen: December 3, 2014
Last Seen: November 27, 2021
OS(es) Affected: Windows

Win32/IRCBot.NHR is a threat that may be used for a wide variety of attacks. Win32/IRCBot.NHR may be used for attacks ranging from DDoS attacks (Distributed Denial of Service) to sending out spam email or distributing other threats. Win32/IRCBot.NHR is an example of a threat that may be installed after taking advantage of vulnerabilities in order to create a backdoor on a computer. After installing the backdoor on the computer user's operating system, threats like Win32/IRCBot.NHR may be used to control the infected computer from a remote location or through automated attacks using IRC (Internet Relay Chat) protocol. Using Win32/IRCBot.NHR, third parties may use the infected computer for a wide variety of activities. Some examples of why third parties would want to gain control over your computer may include the following:

  • Third parties may use Win32/IRCBot.NHR to utilize a computer to send out massive quantities of spam email messages.
  • Win32/IRCBot.NHR may be used to store data on infected computers. For example, instead of containing compromising data on their own hard drives (such as child pornography), third parties may stash it on victims' computers to conceal it from law enforcement.
  • Win32/IRCBot.NHR may be used to carry out DDoS attacks by overloading servers with requests from large numbers of infected computers.

Other activities in which Win32/IRCBot.NHR may be involved include threat distribution, BitCoin mining and money laundering. Because of this, Win32/IRCBot.NHR is a high-level threat that should be dealt with right away with the help of a strong, fully updated anti-malware application and other security software.

Win32/IRCBot.NHR may be Associated with a Threatening Windows Vulnerability

There is a vulnerability in the Windows operating system that has been available since Windows 95! This vulnerability was discovered on a Bulgarian website. Since then, this vulnerability has received the name of 'Unicorn'. This bug, correctly identified with the code CVE-2014-6332, is quite rare. It was first observed by a researcher in China, who used a proof of concept code to demonstrate that the bug was there. The attack on the Bulgarian website is the first observed instance of Unicorn being used to carry out threat attacks.

The Unicorn bug has been around for 19 years and has been exploitable from a remote location for 18 of those years, when VBScript was introduced into Web browsers. This weakness is particularly worrying because it has remained in the Windows Operating Systems despite countless security measures and upgrades in the last two decades. However, capitalizing on the Unicorn bug is not easy. Unfortunately, the availability of a proof of concept code has meant that third parties have been able to take it and modify it for their own attacks. This may be a concealed blessing since it will force Microsoft to fix the Unicorn bug finally on their operating system.

Unicorn attacks use an exploit kit. There's a couple of payloads that may be associated with Unicorn, both of which install Win32/IRCBot.NHR. This threatening infection may be used for a high number of attacks. Unfortunately, PC security researchers believe that this is may be only the first of a flood of attacks that may start to integrate this threatening vulnerability. New updates to exploit kits may add Unicorn into third parties' arsenal. Microsoft has released patches and updates that allow computer users to protect their computers from Win32/IRCBot.NHR and other attacks that leverage Unicorn. However, it is necessary for computer users to update their software, which in many cases does not happen in a timely manner

Trending

Most Viewed

Loading...