Full manual for common password cracking

Generally, password cracking does not necessarily involve complex technical means. Someone even said, "password cracking is as simple as finding a sticker with a password, and this paper is pasted on the display or hidden under the keyboard ." Use

Not afraid of attacks! Eight security skills required for dial-up Internet access

Compared with LAN users, General dial-up Internet users are often at a disadvantage in preventing hacker intrusion. However, many online worms have always had an indifferent attitude towards network security. They believe that they are at most

I am the master of my port

A computer is like a castle, but it is not unbreakable. It hides many vulnerabilities under its hard appearance. These vulnerabilities are common ports and are the only way for hackers to intrude into the system. Therefore, as long as you closely

Difficult to clear trojan DLL Trojan secrets

Starting with DLL technology To understand the DLL Trojan, you must know what the "DLL" means. So, let's trace back to the days when the DOS system became popular. At that time, writing a program was a tedious task, because the code of each program

Data Encryption 3: file encryption

  File encryption: If the system encryption is compared to "locking the door", if the "door lock" is opened by a "thief", everything in our computer will be readily available. However, if we lock the "valuable" items in the computer one by one, it

Use ASP to scan TCP ports

After using ASP for a long time, you will feel very depressed: ASP can access the Socket as it does in other scripting languages. So maybe you have used port scanners for PHP, Perl, and Other implementations, but you have never seen ASP. Hey, so the

WLAN (Wireless LAN) Security management guide

In the previous article about WEP encryption and cracking, you will find that WEP cracking is much easier than you think. Anyone can use these tools to crack this encryption method, you only need to observe enough traffic on the network to

How to find the hacker's nest

Network security is a comprehensive and complex project. No network security measures can be guaranteed. Therefore, for some important departments, once the network is attacked, it is necessary to track network attacks, trace the attackers and bring

Tip Q & A: How does WLM prevent being added to an advertisement account?

According to user feedback, many Messenger users have recently asked strangers to add friends. For example, if a person is named "I haven't been in touch for a long time, is it okay recently? I changed the new msn "person sent a message requesting

Let's take you through the QQ Secure Login mode.

The login mode of QQ Versions later than 2004 can be selected by the user, while the normal mode is suitable for choosing at home or personal office dedicated computers; the office mode focuses on office environment communication; when you exit in

Windows System Security Settings-Advanced Security

  1. Disable DirectDraw This is the requirement of C2 security standards for video cards and memory. Disabling DirectDraw may affect some programs that require DirectX (such as games, playing Starcraft on servers? I'm dizzy ..$%$^ % ^ &??), However,

Four steps to improve IE and Email Security

Malicious hackers and virus compilers can use insecure settings in your email and Web browser software to intrude into your computer. They can email you or seduce you to browse webpages containing malicious code to achieve their purpose. By

"Deep in the forest" UDP Port Trojan adventure

Currently, Trojans that run on the network usually use TCP ports for remote control. However, such Trojans are easy to detect for friends who are somewhat aware of network security. In the face of this situation, the hacker developed a Trojan using

12 tips on computer settings for cainiao promotion

★Disable the Windows logo key There is a Windows logo key on the standard Windows keyboard (that is, the key with a window pattern). It works with other keys to complete some shortcut operations for Windows, for example, "Windows logo key + D" can

How to prevent cross-site Flash attack pop-up IE window

I 've been busy learning WIN32 compilation a few days ago and have been too reluctant to write articles. These days, it seems like Flash cross-site attacks are fierce, however, the pop-up IE window during Flash cross-site attack can easily cause

SQL Server latest vulnerability Solution

SQL server 2000 has many vulnerabilitiesSome time ago, my own server experienced a temporary SQL stored procedure vulnerability.Vulnerability Extension: xp_dirtree Stored Procedure Beforehand: A recent vulnerability was discovered on the SQL

Relationship between net.exeand net1.exe

C: WINDOWSsystem32> net user \ FUCK User Account -------------------------------------------------------------------------------Admin Administrator GuestSUPPORT_388945a0The command is successfully completed. C: WINDOWSsystem32> net1 user \ FUCK User

ORACLE Database Detection

1. content to be detectedIn ORACLE detection, you need to check database users, permissions, sensitive tables, packages, and processes. If you have permissions, you can check the passwords of ORACLE database users and try to crack them.During the

Ten ever-changing security rules in the network security industry

1. if an attacker can persuade you to run his program on your computer, the computer will no longer belong to you. 2. If attackers can change the operating system on your computer, the computer will no longer belong to you. 3. If attackers can

Solve the Serv-U permission Escalation Vulnerability from the source

Serv-U is now the mainstream FTP Server. like Windows, because many users are used, many people are studying and trying to crack it. As a result, many more vulnerabilities are discovered than the G6 FTP Server. I often hear that Serv-U on someone's

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