Technical Analysis Report on superfactory virus (Worm/Stuxnet)

. Worm/Stuxnet uses a variety of Windows system vulnerabilities to spread and try to attack the siemens simatic WinCC Monitoring and Data Acquisition (SCADA) system. Siemens simatic WinCC SCADA system is used in the industrial control field. Once

CentOS 5.5 System Security Configuration

  1. Comment out unnecessary users and user groups Vi/etc/passwd # Adm # Lp # Sync # Shutdown # Halt # News # Uucp # Operator # Games # Gopher # Ftp Vi/etc/group # Adm # Lp # News # Uucp # Games # Dip 2. Add unchangeable attributes to the following

New Trojan propagation methods

  In the first few days, a colleague said that he had a fun sample. Today I took the time to read it. It was quite interesting to leave a bubble...   Provide the MD5 of a sample, and the sample will not be downloaded, so that I will not be convicted

5 best free Linux antivirus software

Linux anti-virus software, are you kidding? Isn't Linux safe? Many new Linux users think that you should not hesitate to see the title. After reading the full text, you will find the answer. First, Linux is more stable and secure than other

Calc.exe Virus Defense and deletion Methods

Virus info: traverse disk type Additional Info: C: Action Description: Privilege Escalation Additional Info: "SeDebugPrivilege" Action Description: Search for specified process Additional Info: comine.exe Action Description: release links or

Simple settings of Centos/Linux Server Firewall/iptables

#/Bin/bash# Created by onovps.comSshport = 'netstat-lnp | awk-F "[] + | [:]" '/sshd/{print $5 }''Iptables-F # Clear built-in rulesIptables-XIptables-p input drop # The local data packet is rejected by default.Iptables-p output accept # This outgoing

CITMS 3.0 injection and upload vulnerability in the company's Customer Information and Tracking Management System

Some management system functions are as follows:(1) Add, modify, and delete administrators online(2) Add, modify, delete customer records online, and support HTML ..(3) The foreground record provides the tracking function, as well as the display of

Simple detection of a portal site

First, let's take a look at the program source code at the target site.   A few pages show that the program is PHP.   Habitual action View Home Page source code very familiar with the dream weaving system ~ Haha   The system of the dream is

178 game Network Substation SQL Injection

Manual testing and Tool testing are displayed as php + Digital Injection. Http://bbs.ngacn.cc/read.php? Pid = 64832566% 20and % 201 = 1 & rand = 0.14058642791337117 Http://bbs.ngacn.cc/read.php? Pid = 64832566% 20and % 201 = 2 & rand = 0.14058642791

Php Command Execution small set

C4bbage@qq.com0x1 ob_start1 2 // http://php.net/manual/en/function.ob-start.php 3 $ cmd = "system ";4 ob_start ($ cmd );5 echo "$ _ GET [cunlide]";6 ob_end_flush (); 0x2 system1 // http://php.net/manual/en/function.system.php 2 system ("$ _ GET

Case study of Li Bai's permission Test

It is a statistical graph of Security Test vulnerabilities discovered by third-party organizations of Netease products since. Among them, 24 Security Test vulnerabilities occurred in the last quarter, the average number is more than 20 every

Popular Science in xss classic instances

Many people do not pay much attention to xss. They always think it is a chicken fault. How many people actually know xss? Xss is divided into storage and reflectiveThe so-called reflected type often appears in the url search

Breaking through some records of dongle

1. a phrase that bypasses the IIS dongle.Test A website a few days ago. After finding the breakthrough, write the webshell, but the server is installed with an IIS dongle, which is not commonly used in a single sentence or shell. The following. net

Popular Science: Discussing OAuth 2.0 certification Defects

I. PrefaceHalf a month ago, @ Tater sent a message titled calling the API through [Sina Weibo] official sources to publish a microblog. No client_sec is required. However, the defects of OAuth 2.0 involved are unknown. In the past few days, the

Any password modification and storage-type XSS

1. The Group Buying website show of catwalk network can cause any password modification due to application design defects2. Stored XSS1. A large number of (batch) user passwords can be modified in a short time1. log on to the show group, click

HTML5 Security Risk Analysis 3: WebSQL attacks

Previous connection:HTML5 security risk details: CORS attacksHTML5 Security Risk Analysis II: Web Storage attacks1. Introduction to WebSQL Security Risks Database security has always been a matter of widespread concern and need to be prevented by

Use reflected xss to hijack OSChina. NET user account

Attackers can hijack the administrator. The osc has been notified to fix the issue .. So self-evaluation 10 rank ..The purpose of this article is to popularize some simple xss usage. I am here to show you how to use xss in a flexible manner. You can'

Network attack technology (2) -- Cross-site scripting

1.1.1 Summary In the first blog of this series, I introduced common SQL Injection attacks and defense technologies. This vulnerability can cause some very serious consequences, but fortunately we can prevent SQL Injection by limiting the permissions

W78cms background shell

A foreign site uses the w78cms program. It seems that this program is quite rare. It seems that it has been done for people. Baidu's previous experiences are like this: Method 1:Prerequisites: the recipient has not modified the default database

Php brute-force Path Method

1. Single quotesAdd single quotation marks directly behind the URL. The single quotation marks must not be filtered (gpc = off) and the server returns an error message by default.Www.2cto.com/news. php? Id = 149 ′2. Path of incorrect parameter

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