Simply judge the software installed on the machine

One method, but the effect is not good! As we all know, a program contains some resources. If there are image resources in it, we can get an image, resources in the src local program, if onerror, it indicates that the program is not installed, but

After listening to BlackHat's questions

Surging clouds This is a tragedy. The hotel in Las Vegas is awesome, but it is surrounded by show and casinos, or luxury stores, which cannot be found in supermarkets.I have not solved the socket problem so far. I can't use harry's computer for too

Hide the true face of "self-extracting files"

When creating a self-extracting file, if we right-click the file, we will find that "......" If C32 is opened in hexadecimal format and Search in hexadecimal notation 807A0272 526172211A07 Change 72 to any other number and change it to the same

Why Does sa fail to execute the net command?

In the past, I often saw a sentence. It is said that SA injection cannot obtain system permissions, which is a level problem! The situation I encountered a few days ago is enough to overturn this so-called famous saying! SA injection points are

New DoS attack threats wireless data networks

Krishan Sabnani, vice president of network research at Bell Laboratory, said recently at the network infrastructure protection conference held by New York City College. The latest DOS attacks will threaten wireless networks.Sabnani said that the

How does pubwinEP prevent remote database modification?

1. Shielding port 1433 (Taking win2000 as an example ): Set security policy: "Control Panel"-> "Administrative Tools"-> "Local Security Policy" Select IP Security Policy> Create Name> activate default response rule next> select "win2000 default (V5)"

Correct Wireless LAN configuration makes wireless networks safer than wired networks

Users claim that wireless security is their priority, but many enterprises do not have all the security options to install when implementing wireless networks. They often think that wireless is easy to install, but it is difficult to ensure security

3389 non-Adminstrator user login to create super hidden user ideas

 I found an interesting problem. I used 1433 to set up a hidden user to enable registration (run 32. EXE registry) Right-click the table SAM and select the permission to delete the Administrator account. At the call up Task Manager point (user name),

Use SQL commands to enable 3389

3389 logon key registry location: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlTerminalServerDenyTSConnectionsThe key value DenyTSConnections directly controls the Enable and disable of 3389. If the key value is 0, the value 3389 is enabled, and 1

Crack youku video Password

Youku video password cracking 1: Open the FLV resolution site, here is recommended to use the site: http://www.flvcd.com, from the browser address bar copy the youku video address to be decrypted, paste the video address to the FLV resolution site

Search and fix Injection Vulnerabilities

1. Search injection points  When we want to test a site, the injection tool on the shelf is usually used to blow it up. Although some injection points can be found, it is still a bit blind. My personal opinion is: if the source code is available,

The classic of social engineering

Author: WaveletQQ: UnknownOccupation: Internet espionage height: Unknown weight unknown birthday: BCCertificate ------------------------------------------------------------------------------------------------------------------------------------------

Threats and methods to achieve wireless network security

Methods and methods for realizing Wireless Network Security Security is a prominent problem in the company's wireless network. As more and more enterprises deploy wireless networks, they connect employees, professional partners, and the general

Linux SECURITY: Use fail2ban to prevent scanning attacks

Cast_blog We always think that Linux is safer and the probability of being attacked is lower. If the machine attempts to crack your password on the Internet, even though we have made relevant security settings, however, the password is still tested

Security issues of Apache + Proftpd Virtual Hosts

1. proftpd creates a hostuser/hostuser account. All users are mapped to this account. The owner of the htdocs/hosts directory is also hostuser. In this way, the property of the File Uploaded using FTP is hostuser (644 755 ). Lock the FTP user in the

Tracking Technology: Nowhere hackers can escape

The Network is a stage where not only security personnel but also hackers are involved. Fanwe and defense naturally become the topic of mutual debate between the two. For some important departments, once the network is attacked, it is necessary to

Emergency remedy after server intrusion

Thanks to the original author, a large number of websites have been infiltrated and infected every day. This article can give website administrators some ideas to solve the problem. Attackers intrude into a system, which is always driven by a major

Parsing man-in-the-middle attacks-ARP cache poisoning

This series will discuss the most commonly used forms of man-in-the-middle attacks, including ARP Cache Poisoning oning, DNS Spoofing (DNS Spoofing), and HTTP session hijacking. Introduction The most common network attack method used to attack

Security Practice: library network maintenance case

Talking about network cabling, network security, and issues that every enterprise is very concerned about, is even more eye-catching in the face of computer network security issues in public places of many small and medium enterprises. It is well

Create a honeypot

From kwang.cnThe first thing we need to do is to create an empty directory on the Web server. The name has nothing to do with the location. In this example, the author created a directory named Honeypot, which is located in the C: Inetpubwwwroot

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