urban bible

Chapter 87 Difference between ancient Chinese and vernacular?

"Closing this loophole again, and doing this again, it should be basically the same..."

Ji Wenzhong is obviously a technical guy, he doesn't talk much when chatting, but when it comes to technology, he immediately becomes confident, the keyboard and mouse in his hands don't stop for a moment, and he quickly applied a lot of patches to the system, and I also downloaded a few small softwares I edited directly from the network disk, and directly added a few more "walls" to the system.

He Dongcheng's eyesight is almost not enough. He is a computer application student. Although he is still a novice in programming, he has practiced the application knowledge hard in the past few years. Not only has his typing speed increased to above 90, but he has also improved the functions of various aspects of the system. And some common loopholes are very clear. I thought I was at least half an expert, but today I saw that I was at most a beginner!
It turns out that the system still has so many back doors, and it turns out that it is so easy to adjust, and there is such a shortcut!

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

At this moment, He Dongcheng felt rejoicing: Fortunately, he came over and asked to learn. If he didn't come, he would regret it later!
"Do you have anything to add?" Ji Wenzhong asked He Dongcheng politely. He Dongcheng shook his head hurriedly, joking, how could he add?Even the teacher who taught me is probably not so good!
Dong Xiuxiu didn't wait for Ji Wenzhong to speak, and clicked two more places. Although these small loopholes had little effect, both of them had heard Hong Xing said that Lin Dong was great, so they didn't dare to be careless.

Over there, Lin Dong had finished programming the software and was browsing the webpage. Seeing that they stopped working, he immediately started to operate.

Hacker attack and defense was originally a battlefield where there was no gunpowder, and the mouse and keyboard clicked out swords, lights and swords. Seeing 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, so they couldn't help but pay attention to it.

"Is there anything I need to add?" Dong Xiuxiu didn't come over to see Lin Dong's operation right away, but planned to strengthen the defense first. She asked Ji Wenzhong: "For example, remote control, log files, and software vulnerabilities currently in use?"

Ji Wenzhong thought for a while and shook his head: "I have thought of all the places that can be sealed. If there is anything else, it can only be blamed for our lack of skills. Let's go and have a look!"

As soon as Lin Dong heard that they were coming to take a look, he let go of his hand and slowed down the operation. After the three of them surrounded him, he started the small software again, and directly opened a small window, displaying the details of the operation. process.

"This...how is this possible?"

Looking at the pointer of the software and the data line by line in the small window on Lin Dong's computer desktop, both Dong Xiuxiu and Ji Wenzhong were stunned!
It's exactly the same as artificial intelligence, the software comes with its own search IP, and after finding the machine, it directly links to it, cracks one after another protection program, "swaggers" into the opposite machine, and then starts to modify permissions, browse files... The protection that I added just now, including the antivirus and protection software that comes with the computer itself, is like a big sieve, full of loopholes!
They have checked the computers here before, knowing that they don't have any other programs. When Lin Dong comes over, he probably won't be able to download things directly from the network disk. The small software compiled in such a short time is so powerful?

On the contrary, He Dongcheng, who didn't know much about programming, didn't understand the power of Lin Dong's software. He was just wondering, why did these two react so strongly?

Of course the reaction was great!

For any programmer, the currently recognized versions of the system are usually perfect, and companies such as Microsoft will add patches to the system from time to time to ensure that the system runs normally.And hackers all over the world are also looking for loopholes in these systems, but whether they are for money or to compete with Microsoft, they will eventually make this system more and more perfect, with fewer and fewer loopholes.

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

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

How can this be?

When they saw that Lin Dong had easily obtained the administrator privileges of the opposite computer, they were immediately dumbfounded. Dong Xiuxiu murmured in his heart, could this person be cheating?This kind of cracking speed, even in a heavily guarded place like the Pentagon, I am afraid there will be no secrets, right?
"This is just a small test." Lin Dong was very satisfied with the performance of the three people. He pushed the keyboard and said with a smile: "If you want to have a big application, this kind of small software is not enough. It's just to give you a Intuitive demonstrations are the only way to program in this way, as for what you will learn later, in addition to the basics, there are also 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. You won't keep this secret from us, will you?"

Lin Dong scratched his head. After all, he is only a student of the history department. Although he likes computers, he is not a strong point. He has inherited so much knowledge in his mind. It is not easy to pass through.

Thinking of his major, Lin Dong had a flash of inspiration, and said with a smile: "The working principle will be involved when I start to tell you the basics of programming. I think what you want to know now is why I can break through your code so quickly. machine?"

Dong Xiuxiu and Ji Wenzhong nodded repeatedly.

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

Three people nodded.

"But to realize the function of the programming language, a logic language must be added, especially English programming, which must have prefixes and suffixes and a fixed format, right?"

Nod again.

"This is to make the machine language easy to recognize, but it also takes up some more resources." Lin Dong said in the most straightforward way with his own understanding: "And you should know that the I Ching gossip in China was originally composed of fiction and reality. , could have been transformed into zero and one. In essence, if I use an analogy, the language I use is ancient Chinese, while you use modern vernacular. From my point of view of ancient Chinese, your vernacular expresses a meaning, which is too wasteful. Many words, in fact, three words can express, you have to use dozens of words. Therefore, in my opinion, the extra words are loopholes between the lines!"

It was so!
Although they still don't understand the principle of that programming, the three of them suddenly realized: It's really interesting!
(End of this chapter)