BYOVD Attack: Ransomware Hackers Exploit AuKill Tool to Disable EDR Software

In an effort to defend against these attacks, many organizations have implemented Endpoint Detection and Response (EDR) software. Unfortunately, some ransomware hackers have found a way to bypass this crucial security measure using a new attack technique known as BYOVD.

The BYOVD attack technique involves exploiting a tool called AuKill to disable EDR software. AuKill is a legitimate tool used by security professionals to terminate processes that may be interfering with security measures. However, ransomware hackers have discovered that they can use this tool to terminate EDR processes and allow their malicious code to run undetected.
 

This technique was first observed in the wild in late 2021 and has since been used in several high-profile ransomware attacks. In these attacks, the hackers were able to gain access to a victim's system and execute their ransomware without detection. This allowed them to encrypt the victim's data and demand a ransom in exchange for the decryption key.
 

The use of the BYOVD attack technique represents a significant advancement in ransomware tactics. In the past, ransomware hackers would often rely on social engineering techniques to trick users into downloading and executing their malware. However, with the BYOVD attack, hackers can bypass many of the traditional security measures that organizations have put in place.
 

To defend against this new threat, organizations must take several steps. First, they should ensure that all EDR software is up-to-date and properly configured. This will help to minimize the risk of an attacker being able to exploit the AuKill tool. Additionally, organizations should consider implementing additional security measures, such as network segmentation and data backups, to minimize the impact of a potential ransomware attack.
 

It is also important for individuals to take steps to protect themselves from ransomware attacks. This includes avoiding suspicious emails and attachments, keeping software up to date, and regularly backing up important data.
 

The use of the BYOVD attack technique is a concerning development in the world of ransomware. However, with proper security measures in place, organizations can help to mitigate the risk of an attack. By staying vigilant and implementing best practices, both individuals and organizations can help to protect themselves from this growing threat.