Monday, May 18, 2015

DoS website in Kali Linux using GoldenEye

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I’ve talked about testing few DoS tools that can put heavy load on HTTP servers in order to bring them to their knees by exhausting resource pools. GoldenEye is the first of those tools and it is one of the newest I discovered in GitHub. You can DoS websites with GoldenEye and bring it down almost within 30 seconds depending on how big their memory pool is. Of course, it wont work on protected servers and servers behind a proper WAF, IDS, but this is a great tool to test your own Web Server for load testing and amend your iptables/Firewall rules accordingly.
You can also use DoS using hping3 to simulate similar attacks or PHP exploit to attack WordPress websites. There’s also few great tools that will allow you view live DDoS attacks maps worldwide in almost realtime.
DoS website in Kali Linux using GoldenEye - blackMORE OpsDetails for GoldenEye tool is listed below:
From GoldenEye’s writer’s post:
  1. This tool is meant for research purposes only and any malicious usage of this tool is prohibited.
  2. GoldenEye is an python app for SECURITY TESTING PURPOSES ONLY!
  3. GoldenEye is a HTTP DoS Test Tool.
  4. Attack Vector exploited: HTTP Keep Alive + NoCache

Types of DoS or DDoS attacks

Let’s go over some very basic info regarding DoS or DDoS attacks. There are basically three types of DoS and DDoS attacks:
  1. Application layer DoS and DDoS attacks
  2. Protocol layer DoS and DDoS attacks
  3. Volume-based DoS and DDoS attacks

Application layer DoS and DDoS attacks

Application-layer DoS and DDoS attacks are attacks that target Windows, Apache, OpenBSD, or other software vulnerabilities to perform the attack and crash the server.

Protocol layer DoS and DDoS attacks

A protocol DoS and DDoS attacks is an attack on the protocol level. This category includes Synflood, Ping of Death, and more.

Volume-based DoS and DDoS attacks attacks

This type of DoS and DDoS attacks includes ICMP floods, UDP floods, and other kind of floods performed via spoofed packets.
The word DoS and DDoS is used loosely as when you attack from a single machine, it’s usually considered as a DoS attack. Multiply a single attacker from a botnet (or a group) then it becomes a DDoS attack. There are many explanations to it, but just know that no matter which type of attack it is, they are equally detrimental for a server/network.



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