What is a DoS attack? A DoS (Denial of Service) is an attempt to make a computer’s resources unavailable to its user. A DoS attack comes in many shapes and forms, and it can also have sub motifs. A DoS attack can disable a computer and its networks if carefully planned and executed. It can be mounted from anywhere to anywhere, at anytime, anyhow. There are so many variables one can put on DoS attacks. Usually an attacker does not use his/her own computer. They would create what’s called a Botnet (A hive of computers) in which he controls (Remotely through use of trojans) and would direct them towards one machine. To explain this efficiently, it’s sort of like taking a magnifying glass (1 computer) and trying to light a wet piece of tinder, it’s not going to burn, but when a whole lot of them (Botnet) are focused on it, it will burn. In this way, the hacker can anonymously control multiple computers to attack one target to bring it down. The attacker would also use Tunneling and IP Spoofing to camouflage his identity. What is a Ping Flood? In this tutorial we will be focusing on a type of attack called a Ping flood. Ping flooding is the most primitive form of DoS attacks because anyone can do it extremely easily. When a targeted computer is under a ping flood attack, what happens is the computer’s network becomes backed up, trying to keep up with ping requests. Each time the server receives a ping request it has to compute it then send a reply with the same amount of data, ping flooding is when the attacker floods the server with ping requests and the server has to compute tons of requests every split second, which takes up a lot of resources. Ping flooding 101 Targeted local disclosed ping flood (Known IP Addy) Router disclosed ping flood Blind ping flood (Unknown IP Addy) Targeted local disclosed ping flood A targeted local disclosed attack is when you know the IP Address of the target connected to the network and you attack it directly. Alright, so you want to ping flood a single computer. First off we need to make sure we are indeed connected to it, Find Ip Address and Type CMD >ping *ip address here* -t -l 65500 Example Ping 10.243.255.255 -t -l 65500 Router disclosed ping flood A router disclosed ping flood has the same fundamentals as a targeted one, except you target routers and not a computer. Via TOP WORLD hackers
Sunday, November 2, 2014
What is a DoS attack?
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