What is a Backdoor & How to Prevent Backdoor Attacks?

 Backdoor is a cybercrime in which the hackers target users’ device vulnerability to attack the network or the system.

In simple words, we can say that a backdoor attack is a process in which hackers attack the device through malware, virus, or technology to get access to the application, device, or system after bypassing all the security measures. The main intention of the hacker is to get complete access to the device. They target the core of the application and aim to gain the key administration of the device.
The damage they can cause to your device is endless. They can steal your crucial data, can run the device as per their will, or in extreme conditions, they can even change the infrastructure of the application. The user of the device must take extra precautions while using the device. Any sort of vulnerability in the system must be addressed on priority.
If you find a backdoor attack risky, then you must follow these preventive measures to protect your device from such crimes.
1) Monitor the network activity
It is one of the simplest things that you can perform to protect your device. Always monitor the activity of your network. If you found any wired data spikes, then it could be a sign of threat. Someone might be using a backdoor on your device.
In such conditions, try to track all the inbound and outbound activity from all the various applications that are installed on your device.
2) Select plugins and applications carefully
If you want to be safe and secure then you must rely on authentic apps and plugins. Cybercriminals prefer to hide their identity through free apps or free plugins. So in order to protect the device from such conditions users must prefer app installation from either the Google play store or Apple’s app store.
In this way, you ensure that only authentic and trusted apps you have on your device.
3) Restrict the failed login attempts
Make sure that your device has limited failed login attempts. In this way, you can restrict the attempts of cybercriminals while trying to breach the security measures of your device.
4) Use a firewall
The best and safest way to protect your device from backdoor attacks is the firewall. It is essential protection that one must opt for. It monitors all the incoming and outgoing traffic on your device. In case someone is trying to breach network security, a firewall can block it. Suppose someone is trying to get into your device, the firewall will block it.
5) Antivirus software
Always opt for advanced antivirus software. It should be capable of detecting all advanced malware. The antivirus software must detect the entire gamut of malware like trojans, spyware, rootkits, and cryptojackers. You must select antivirus software that can detect and eliminate backdoor virus attacks.
Conclusion
Antivirus software is the best protection that you can give to your system. After analyzing various software, the performance and the feature of K7 antivirus software are the best. They have all the required features with advanced technology to eliminate all the potential threats from your device. If you want to opt for K7 antivirus software, then you must contact us. We can help you in the best possible way.

Comments

Post a Comment

Popular posts from this blog

AMOS (MacOS Stealer)

  In the last week of April 2023, it was reported on twitter , that through a telegram channel a new malware was being offered as “Atomic MacOS Stealer”. Many samples of this malware were found on the internet. Figure 1 – Atomic MacOS Stealer Most of these samples were masquerading as an installer of various applications like Tor browser, Photoshop CC, Notion, FL studio. Figure 2 – Amos DMGfiles masquerading as different applications These are delivered as a DMGfile(Disk Image) which is the common format for software distribution & installation packages on macOS. We identified the Tor browser DMG file for the analysis. When we execute the DMG file it gets mounted and we can see the resulting window advises the user to execute the application by right clicking. Figure 3 – Tor Browser These fake applications are created by using Appify , which is used to create applications just by having the executable alone. The icons can be customised. That’s why these applications are in dif...
Read more

CVE-2023-21716: A new Office Exploit

Image
 In Feb-2023, Microsoft (MS) patched a vulnerability in Microsoft Word which, if successfully exploited, could allow an attacker to execute remote code without authentication on victims’ machines. This vulnerability has been assigned CVE-2023–21716 and has a CVSS score of 9.8, making it a critical issue. This vulnerability impacted MS word and the Outlook Preview Pane as well. Microsoft along with the patch released a work around for the vulnerability but did not release details about the vulnerability. While we were analysing to identify what was patched, on 06-March, the researcher who reported the bug released a PoC on Twitter . In this blog, we will be taking a look at some internals of CVE-2023–21716. So far there is no evidence to suggest exploitation of this vulnerability in the wild. Rich Text Format (RTF) is a document file format published by Microsoft. It uses control words to define various sections and properties of the document. CVE-2023–21716 exists in the way MS Wo...
Read more

MuddyWater Back with DarkBit

  Recently, we came across a tweet about DarkBit ransomware. An Iranian APT group, named MuddyWater, is reportedly behind the DarkBit ransomware. In this blog we will explore the ransomware’s initial access method, the use of Cobalt Strike and the final ransomware payload. Initial Access Method The initial lure was delivered as an ISO file. Figure 1 – ISOFile The payload included a shortcut file (with a .doc extension) and a zip file. Figure 2 – Contents Inside ISO File The shortcut was using PrintBrm.exe to unpack the HR-Update.zip and run it as shown below. PrintBrm.exe is a windows inbuilt command line tool . Figure 3 – Shortcut File cmd.exe /c xcopy .\HR-Update.zip %TEMP% /h /y && PrintBrm.exe -r -f %TEMP%\HR-Update.zip -d %TEMP%\unzip & %TEMP%\unzip\HR-Update.exe Figure 4 – HR-Update.exe Running HR-Update.exe was a Cobalt Strike beacon. Cobalt Strike, a penetration testing tool, can also be used by attackers for gaining a foothold in the system. The final ran...
Read more