"Plug this loophole again, and then do it again, and it should be almost the same......"

Ji Wenzhong is obviously a technical man, he doesn't talk much when chatting, but when it comes to technology, he immediately becomes confident, the keyboard and mouse in his hand don't stop for a moment, and he quickly patches a lot of the system, and he also downloaded a few small software made by himself directly from the network disk, and directly added a few more "walls" to the system. ←

He Dongcheng's eyes are almost not enough, he is learning computer applications, although he is still a rookie in programming, but in the past few years, he has worked hard to practice the knowledge of application, not only the typing speed has been raised to more than 90, but also the functions of all aspects of the system and some common vulnerabilities are very clear, I thought that I was at least half an expert-level figure, but today I look at it, it turns out that I am at most a beginner!

It turns out that there are so many backdoors in the system, and it turns out that it is so easy to modulate, and there are such shortcuts!

Looking at the dialog boxes that popped up after those small software applications, He Dongcheng felt for the first time that programming could play such a big role!

At this moment, He Dongcheng was actually happy: fortunately, he came over and took the initiative to ask to learn, if he didn't come, then he would regret it later!

"Do you have anything to add?" Ji Wenzhong asked He Dongcheng politely, He Dongcheng hurriedly shook his head, joking, how could he add? Even the teachers who teach themselves are probably not so proficient!

Dong Xiuxiu didn't wait for Ji Wenzhong to speak, and clicked two more places, although these small loopholes had little impact, but these two people had heard Hongxing say that Lin Dong was powerful, and they didn't dare to be careless at all.

Over there, Lin Dong had already finished editing the software, and was browsing the web, and when he saw that they had stopped, he immediately started to operate.

The hacker attack and defense were originally a battlefield without gunsmoke, and the mouse and keyboard were all swords, and when they saw Lin Dong's operation, the three people on the opposite side immediately became nervous. Although he was very confident, Lin Dong's reputation had already reached their ears, and they couldn't help but take it seriously.

"Is there anything you would like to add?" Dong Xiuxiu didn't come over immediately to see Lin Dong's operation, but planned to strengthen the defense first, and she asked Ji Wenzhong: "For example, remote control, log text, and software vulnerabilities used now?" ”

Ji Wenzhong shook his head after thinking about it: "I have thought of all the places that can be sealed, if there is anything else, it can only be blamed for our poor technology, let's go, go over and take a look!" ”

As soon as Lin Dong heard that they were going to come over to have a look, he let go of his hand, slowed down the operation action, and waited for the three of them to come over, before he started the small software again, and directly opened a small window to show the progress of the operation.

"This ...... How is this possible? ”

Looking at the small window on Lin Dong's computer desktop, the pointers of the software and the number of lines that appeared, Dong Xiuxiu and Ji Wenzhong were stunned!

It's exactly the same as artificial intelligence.,The software comes with a search IP.,After finding the machine, it's directly linked.,Crack the protection programs one by one,"Swaggering" into the opposite machine.,And then start to modify the permissions.,Browse the text...... The protection that the three of them just added, including the antivirus and protection software that comes with the computer itself, is like a big sieve, full of vulnerabilities!

The computers here have all been checked before, and they know that they don't bring any other programs, and when Lin Dong comes over, I'm afraid it will be impossible to directly download things from the network disk, and the small software compiled in such a short time is so powerful?

On the contrary, He Dongcheng, who doesn't know much about programming, still doesn't understand the power of Lin Dong's software, he just wonders, why did these two react so much?

Of course the reaction was great!

For any programmer, the now accepted versions of the system are usually perfect, and companies like Microsoft patch the system from time to time to make sure the system is working properly. Hackers around the world are also looking for vulnerabilities in these systems, but whether they do it for money or to compete with Microsoft, they will eventually make the system more and more perfect, and there will be fewer and fewer vulnerabilities.

Therefore, every mature system is basically relatively perfect, and the vulnerabilities that can be exploited, especially under the current programming conditions, are very few, and once such vulnerabilities are discovered, they usually attract the attention of the industry.

However, here, Dong Xiuxiu and Ji Wen found that the system that they once thought was the template of the industry was full of loopholes!

How is this possible?

When they saw that Lin Dong easily got the administrator rights of the opposite computer, they were immediately stupid, and Dong Xiuxiu muttered in her heart, this can't be a hanger, right? This kind of cracking speed, even in a well-defended place like the Pentagon, I'm afraid there won't be any secrets, right?

"It's just a small test." Lin Dong was very satisfied with the three people's watches, pushed the keyboard, and said with a smile: "If you want to have a big application, this kind of small software is still not enough." Just to give you an intuitive demonstration will be programmed like this, as for what you want to learn later, in addition to the basics, there are some professional application software, then it depends on your understanding! ”

"Can I ask a question?" Ji Wenzhong pushed his glasses and suddenly asked, "I want to know how your software works." This is not a secret from us, right? ”

Lin Dong scratched his head, after all, he was just a student of the history department, although he liked computers, he was not a strong point, and he inherited so much knowledge in his head, but if he came up with this programming principle at once, it would not be easy to explain it thoroughly.

Thinking of his major, Lin Dong smiled: "The working principle will be involved when I start to teach you the basics of programming." I guess what you're wondering now is why I was able to break down your machine so quickly, right? ”

Dong Xiuxiu and Ji Wenzhong nodded again and again.

Lin Dong slapped his face: "That's easy to say." Let's put it this way, the machine qì language is implemented by 0 and 1, right? ”

The three nodded.

"But in order for a programming language to be functional, it must be added with a logical language, especially English programming, with a suffix and a fixed format, right?"

Nodding again.

"This is to make the language easier to recognize, but it also takes up some more resources." Lin Dong said most bluntly in the way he understood: "And you should know that the Chinese I Ching gossip was originally composed of virtual and real, and it could also be transformed into zero and one, in essence, if you use an analogy, the language I use is the ancient Chinese, and you use the modern vernacular, from the perspective of my ancient Chinese, your vernacular text expresses a meaning, wastes too many words, in essence, three words can be expressed, you have to use dozens of words." So, in my opinion, between the lines, the extra words are loopholes! ”

So that's it!

Although they still didn't understand what the principle of programming was, the three of them suddenly realized: it was really interesting!