botnet attack

DDoS attack from the profit. Attacks have become the most direct form of competition on the Internet, and the revenue is very high, driven by the interests of the attack has evolved into a very complete industrial chain. By injecting a virus trojan in the Web page of a large traffic website, a trojan can infect a person browsing the website through the vulnerability of Windows platform, once the Trojan hor

As we all know, buffer overflow is a common and extremely dangerous loophole, which exists widely in various operating systems and applications. The use of buffer overflow attacks can lead to the failure of programs, system restarts, and other consequences.More seriously, it can be used to execute non-authoritative instructions, and even gain system privileges to perform various illegal operations.Buffer overflow attacks have multiple names in English: Buffer overflow,buffer overrun,smash The St

CSRF is a common vulnerability of web applications, and its attack characteristics are large but very covert, especially in the context of a large number of Web 2.0 technology applications, where an attacker can launch a csrf attack without the user's awareness. This paper will make a systematic exposition of its basic characteristics, attack principle,

There is no security issue in the HTTP protocol itself, and resources such as servers and clients that apply the HTTP protocol and Web applications running on the server are the targets of the attack. Web sites make almost all of the security features of Session management, encryption processing, and so on. The HTTP protocol itself does not have these features. Loading the attack code within the HTTP re

Name origin CC = Challenge Collapsar, formerly known as the Fatboy Attack, is the purpose of creating a denial of service by continually sending a connection request to the Web site, CC attacks are a type of DDoS (distributed denial of service) that appears to be more technical than other DDoS attack CC. This attack you can not see the real source IP, see very

One, from DOS to DDoS Denial of service (denial of Service,dos) is a long-standing tradition. Since the Internet, there is a denial of service attack approach. As no major websites or institutions have been subjected to such attacks in the past, their inferior nature is not prominent. It was not until the early 2000 that Yahoo!, ebay and Amazon were stabbed in the face. In a typical Internet connection, when a user accesses a Web site, the client se

1. Defensive base 1.1. How big is the attack flow?When it comes to DDoS defense, the first thing to do is to know how much of an attack has been hit. The problem seems simple, but in fact there are a lot of unknown details in it. In the case of SYN Flood, in order to increase the efficiency of sending SYN wait queues on the server, the IP header and TCP header are not populated with optional fields when t

CSRF (Cross site request forgery) is a network attack that can be sent to a compromised site without the victim's knowledge of the victim's name forgery request, thereby performing a rights-protected operation with no authorization. There is a lot of harm. However, this attack mode is not well known, many websites have CSRF security loopholes. This paper first introduces the basic principle of CSRF and its

The following article describes the prevention of four levels of attack to ensure the security of Linux servers, if you are against four levels of attack to ensure that the Linux server security is curious, the following article will uncover its mystery. With the continuous expansion of Linux enterprise applications. has a large number of network servers that are using the Linux operating system. The secu

Dos attacks, DDoS attacks, and DrDoS attacks believe that everyone has already heard of it! DOS is the shorthand for denial of service, which is denial of services, and DDoS is the distributed denial of service is the short of distributed denial-of-service, and DrDoS is distributed Reflection denial Abbreviation for service, which is the meaning of distributed reflective denial of service. But the most powerful attack in this 3 is DDoS, the DrDoS

Man-in-the-middle attack on github Source: http://www.netresec.com /? Page = Blog month = 2015-03 post = China % 27s-Man-on-the-Side-Attack-on-GitHubAnnouncement released on March 27 by githubWe are suffering from the largest Distributed Denial of Service (DDOS) attack in github history. The attack started at two o'c

A denial of service attack is an attacker trying to get the target machine to stop providing service or resource access. These resources include disk space, memory, processes, and even network bandwidth, preventing access for normal users. In fact, the consumption of network bandwidth is only a small part of the denial of service attacks, as long as the target can cause trouble, so that some services are suspended or even host panic, are a denial of s

1:CC Attack principleCC = Challenge Collapsar, formerly known as the Fatboy Attack, is the use of constantly sending connection requests to the siteFor the purpose of forming a denial of service,A CC attack is a DDoS (distributed denial of service), which seems to be more technical than the other DDoS attack CC. ThisTy

Sigreturn Oriented Programming (SROP) Attack Principle I wrote an article last year to introduce the BROP attack. The response was quite good and helped many people understand this very smart attack principle. Of course, you can also go to my blog to see the replay of this attack. This time I would like to introduce an

1. Read attack Read attacks mainly include all attacks related to information retrieval from victims. Such attacks scan ports and vulnerabilities within the IP address range of the organizational structure, and finally obtain information from vulnerable hosts. 1. Reconnaissance recon Attacks: Reconnaissance recon attacks: these attacks are designed to enable attackers to obtain more information about victims. They can use active and passive method

Three attack methods bypass Cisco TACACS + Original article: 3 attacks on cisco tacacs bypassing In this article, the author introduces three methods to bypass TACACS on Cisco devices.No.1 DoS attacks bypass Cisco TACACS + No. 2 Local cracking PSK bypass Cisco TACACS + No. 3 man-in-the-middle attack bypass Cisco TACACS + In general, there are many network devices in a large network, and how to manage the ac

are originally planning to access a website are taken to other websites that hackers point to without knowing it. There are multiple implementation methods. For example, attackers can exploit the DNS Cache Server vulnerability on the internet ISP side to attack or control the attack, so as to change the response results of the user's access to the domain name in the ISP; or, hackers exploit vulnerabilities

20155201 Network attack and Defense technology Experiment Nine web Security Foundation One, the practice content The objective of this practice is to understand the basic principles of commonly used network attack techniques. Webgoat the experiment in practice. Ii. contents of the report: 1. Basic question answer 1) SQL injection attack principle, h

With the expansion of Linux enterprise applications, there are a large number of network servers using the Linux operating system. Linux server security can be more and more attention, here according to the depth of the attack on the Linux server in the Level form, and propose different solutions. The definition of a Linux server attack is that an attack is an un

1. Introduction1.1. Document Description:1.2. Document organization:2. Text2.1. SQL Injection2.1.1. Attack Mode:2.1.2. Defense methods:2.2. Script Injection2.2.1. Attack Mode2.2.2. Defense methods2.3. Cross-Site attack2.3.1. Attack Mode2.3.2. Defense methods2.4. shell upload2.4.1. Attack Mode2.4.2. Defense methods2.5.