What’s a botnet? According to honeynet.org, “A botnet is a network of compromised machines that can be remotely controlled by an attacker. Due to their immense size (tens of thousands of systems can be linked together), they pose a severe threat to the community.”
What does a botnet do?
- Distributed Denial-of-Service Attacks ( DDoS)
- Sniffing Traffic
- Spreading new malware
- Installing Advertisement Addons and Browser Helper Objects (BHOs)
- Google AdSense abuse
- Attacking IRC Chat Networks
- Manipulating online polls/games, lastly
- Mass identity theft
Read here to know different types of botnets, how they function and ways to observe it.
Steps to take to stop ’em….more here