A worm is a type of malware that spreads across networks and systems without user interaction. Unlike viruses, worms do not need to attach themselves to a host program. They exploit vulnerabilities to replicate and spread.
Worms typically spread by exploiting vulnerabilities in software or by using social engineering techniques. Once they infect a system, they can replicate themselves and spread to other systems on the network.
Here are some common techniques used by worms:
Here are some of the most notorious worms:
A worm that exploited Windows vulnerabilities to spread across networks.
A worm designed to target industrial control systems, particularly in Iran.
A worm that targeted Microsoft IIS web servers.
A worm that spread through email, network shares, and web servers.
A worm that exploited a vulnerability in Microsoft SQL Server.
A worm that exploited a vulnerability in Windows XP and Windows 2000.
A worm that spread through email and created backdoors on infected systems.
A worm that exploited a vulnerability in Windows LSASS service.
Below is a simple example of how a worm can spread. Click the button to simulate network propagation.
To protect yourself from worms, follow these best practices:
Worms are illegal and unethical. This guide is for educational purposes only. Do not use this information for malicious purposes.