### Comment:
What are some common techniques used in malware propagation?

### REPLY:
One common technique used in malware propagation is to create a botnet, which involves infecting a network of computers and using them to spread malware to other systems. Another method is to use advanced persistent threats (APTs), which are targeted attacks that exploit vulnerabilities in specific organizations or individuals. Additionally, malware can be spread through malicious advertisements, fake software updates, or even by compromising legitimate websites and injecting malicious code.