A backdoor is a type of cybersecurity threat that allows attackers to secretly compromise a system and conduct malicious activities, such as stealing data and modifying files. Backdoors can be difficult to detect, as they often use legitimate system applications to evade defense mechanisms. Threat actors often utilize special malware, such as PlugX, to establish backdoors on target devices.

Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying.

WannaCry is a famous Ransomware that utilizes the EternalBlue exploit. This malware is known for infecting at least 200,000 computers worldwide and it continues to be an active and dangerous threat.

WannaCry ist eine bekannte Ransomware, die die EternalBlue-Schwachstelle nutzt. Diese Malware ist dafür bekannt, dass sie mindestens 200.000 Computer weltweit infiziert hat, und sie ist weiterhin eine aktive und gefährliche Bedrohung.

XRed operates as a stealthy backdoor, enabling cybercriminals to gain unauthorized remote access to infected systems. XRed has gained particular notoriety for its distribution through trojanized legitimate software and hardware drivers, making it exceptionally dangerous due to its ability to masquerade as trusted applications.