Use kali linux for ddos at.tack cry.pto bot java

Use kali linux for ddos at.tack cry.pto bot java
Lets first understand what is a denial of service DoS at.tack? In a denial of service DoS at.tack, an at.tacker attempts to prevent legitimate users from accessing information or services. By targeting your computer and its networ.k co.nnection, or the computers and networ.k of the sites you are trying to use, an at.tacker may be able to prevent you from accessing email, websites, online accounts banking, etc., or other services that rely on the affected computer. The most common and obvious type of DoS at.tack occurs when an at.tacker floods a networ.k with information. When you type a URL for a particular website into your browser, you are sending a requt to that sites computer server to view the page. The server can only process a certain number of requts at once, so if an at.tacker overloads the server with requts, it cant process your requt. This is a denial of service because you cant access that site. An at.tacker can use spam email messages to launch a similar at.tack on your email account. Whether you have an email account supplied by your employer or one available through a free service such as Yahoo or Hotmail, you are assigned a specific quota, which limits the amount of data you can have in your account at any given time. By sending many, or large, email messages to the account, an at.tacker can co.nsume your quota, preventing you from receiving legitimate messages. TCP/IP Stack Implementation Weaknesses The canonical example of an at.tack that goes after TCP/IP implementation weaknesses is the Ping of Deh at.tack. In this exploit, your enemy creates an IP packet that exceeds the IP standards maximum 65,536 byte size. When this bloated packet arrives it crashes systems that are using a vulnerable TCP/IP stack and operating system. All modern operating systems and stacks should be immune to the Ping of Deh at.tack, but every now and again I find someone running something that can still be smacked around by the Ping of Deh. The moral of the story is that you should always update your networ.k equipment and software. Just because its still running after all these years doesnt mean that its safe. Another at.tack that relies on poor TCP/IP implementation is Teardrop , which exploits defects in the way systems reassemble IP packet fragments. On their way from hither to yon on the Internet, an IP packet may be broken up into smaller pieces. Each of these still has the original IP packets header, as well as an offset field that identifies which bytes of the original packet it co.ntains. With this information, an ordinary broken packet is reassembled at its dtination and networ.k co.ntinues uninterrupted. When a Teardrop at.tack hits, your server is bombarded with IP fragments that have overlapping offset fields. If your server or router cant disregard these fragments and attempts to reassemble them, your box will go castors up quickly. If your systems are up to date, or if you have a firewall that blocks Teardrop packets, you shouldnt have any trouble. TCP/IP Weaknesses Another oldie but badie DDoS attach method is the SYN at.tack . SYN wor.ks by taking advantage of the protocol handshake between two Internet applications. Its designed to wor.k by starting an application session by sending a TCP SYN synchronization packet to another program. That application then replies with a TCP SYN ACK acknowledgment packet the first program then responds with an ACK acknowledgment. Once the applications have made their handshake, theyre ready to wor.k with each other. A SYN at.tack overwhelms its vic.tim with a flood of TCP SYN packets. Every SYN packet forces the targeted server to produce a SYN ACK response and then wait for the appropriate ACK. This quickly leads to a situation where outstanding SYN ACKs pile up behind each other in a backlog queue. When the backlog queues fill up, the system stops acknowledging incoming SYN requts. If the SYN at.tack includes SYN packets with bad source IP addresses, the situation grows worse more quickly. In such a case, when the SYN ACKs are sent out, the ACK never comes back. The quickly overfilling backlog queue usually puts an end to legitimate application SYN requts getting through. A variation on this the Land at.tack employs spoofed SYN packets, with IP addresses forged to look like they come from within your networ.k. Now, the SYN at.tacks appear to be coming from within your firewall, adding to your problems. Again, most modern operating systems and firewalls can stop SYNing in its tracks. Another easy way to prevent SYNing is to set your firewall to block all incoming packets with known bad source IP addresses. This list should include external packets that bear spoofed IP addresses from the following IP ranges, which are reserved for internal use only 10.0.0.0 to 10.255.255.255, 127.0.0.0 to 127.255.255.255, 172.1