Reborn Ace Hack

The first version of the virus killer was written by Wu Yang. In order to save time, he did not disassemble the virus. Instead, he designed it in a targeted manner based on the external characteristics of the virus and the extracted virus signatures.

But this version failed.

In order to analyze the virus more accurately, Gu Lang had to put down other work and devote himself to the analysis and research of the virus together with the employees of the technical department.

Still in a hurry, Gu Lang asked Wu Yang to bring two other employees, still following the first version of the idea, and put the virus sample intercepted from the network into the virtual machine to further observe its characteristics and improve the special killing tool.

, and he took Liu Dong and several other employees to disassemble the virus, and then began to study the assembly source code of the virus.

According to general experience, when compiling computer viruses, a large part of them will pack the original virus after the virus is compiled to increase the difficulty of disassembly. However, this virus has been temporarily named CIH Network Enhanced Edition by Gu Lang.

, and its original body was not packed, so instead

The assembly process went smoothly, which made Gu Lang feel a little relieved, because before disassembly, he was still worried that the virus would be packed, and unpacking is sometimes more troublesome than disassembly. In that case, it will undoubtedly increase the cost greatly.

Analysis time, and now time is the most precious to him.

But this luck only lasted for a short time, and then disappeared without a trace, because he soon discovered that the code he disassembled was a modified CIH virus, and no algorithm for virus mutation was found in the source code.

, and based on the analysis of the source code he obtained through disassembly, Wu Yang’s specialized killing work

With the first version, it can completely kill it and it should not fail. The fact is that the first version of the special killing tool failed, so this can only explain one problem. The virus samples they obtained are not comprehensive, and

In other words, the source code they disassembled was incomplete, and the most important code of the virus was not disassembled.

The disassembled code is not a complete code, indicating that the virus prototype they obtained may be incomplete. However, this virus prototype runs in a virtual machine environment and obviously has the ability to automatically mutate. Why is the mutation algorithm missing after disassembly?

?This situation is unreasonable, but since unreasonable things have occurred, Gu Lang can only find the reason from themselves.

At this time, Wu Yang's second version of the virus killer was built, but after testing, it still failed. However, this failure was not without gain. In order to thoroughly understand the working principle of the virus, he

A memory monitoring program was added to this special attack. During testing, a large amount of real-time memory data was captured when the virus was running.

Now, in order to further understand the working principle of the virus, he began to analyze the captured real-time memory data. Soon, the data analysis results came out. The results were consistent with the results he obtained by directly analyzing the virus characteristics.

Yes, this result made him a little frustrated, and Gu Lang's disassembly analysis of the virus prototype was temporarily in trouble.

"Let's all gather together for a short meeting."

Gu Lang saw that the work of both parties was in trouble, so he made a prompt decision, suspended the virus analysis, and decided to bring together members of the two teams. The two parties would discuss it together, and maybe they would find a suitable solution.

So the kill writing team led by Wu Yang and the virion analysis team led by Gu Lang gathered together and held a brief seminar.

"Tell us about the situation here, Liu Dong, please do it." Gu Lang spoke first and handed over the task of introducing the situation to Liu Dong.

"The original virus was not packed, and the disassembly went smoothly, but the code obtained did not have a virus mutation algorithm. For this reason, we collected the original virus again, but the results were still the same," Liu Dong said.

"And this virus prototype for which no mutation algorithm has been discovered, when running in a virtual machine, if you use the specialized killing tools designed by Wuyang for anti-virus, it can mutate itself, avoid the specialized killing tools, and even be able to kill the specialized killing tools.

It identifies the system immune patch generated by the tool, bypasses the patch, and continues to damage the computer. From this, it can be inferred that this virus has a certain degree of intelligence and has adopted a method unknown to us to destroy its core functions.

Hidden, Wu Yang, tell me about your situation." Gu Lang added after adding.

"We re-adjusted the code of the first version of the special killer and made a new version, but this version is still invalid. I added a memory grabbing code to the second version of the special killer and captured the virus when it was running.

Some real-time memory data, but there are still no results from the analysis. Now we are discussing and preparing to capture a few more sets of data for comparative analysis," Wu Yang said.

"Well, your idea is good. Continue to follow this idea. Give me a copy of the captured data in a while. I will take a look. Now everyone can share their opinions. If you have any good ideas, please feel free to share them.

Just tell me." Gu Lang said.

Although Gu Lang's original intention was good, after some discussions, no one came up with any good ideas, so the seminar came to nothing. Gu Lang waited for Wu Yang to grab some memory data.

I got my computer back, opened a data analysis software, and analyzed and compared the data. The results were the same as those in Wuyang. Even after comparing the data, I still found no clues.

"What on earth did I overlook?" Gu Lang leaned against the back of the seat and stared at the analysis results on the computer screen, frowning deeply.

After thinking for a moment, he realized that his mind was stuck in a corner and couldn't get out for a while, so he decided to go out, go to the Luo Department to check the situation, change his mind, and wait a few minutes before coming back.

When Gu Lang walked into the Network Department, everyone was busy, but no one noticed his arrival. He did not alarm everyone, but went directly to the Manager of the Network Department and asked about the current external situation.

The situation outside is becoming more and more serious, and the scope of virus spread is getting larger and larger. Because all network security companies and anti-virus software companies have not introduced anti-virus methods for a long time, public opinion has become increasingly dissatisfied with all these companies. Viruses

The impact of the epidemic on enterprises has begun to appear, and a large number of enterprises and units have suspended normal operations.

For normal business, the network is disconnected. Even for a network security company like Xuan Nie Company, before the virus anti-virus solution is developed, the company’s computers running Windows 9x are also at risk of being infected. For this reason, the company has already put all the computers running Windows 9x into operation.

Or operating systems such as Linux that are not infected by viruses.

As a large number of companies shut down their computers, this virus spread storm has begun to have an impact on the daily lives of ordinary people...

After Zhang Shiqi finished his report, he walked out of Luo Department with a heavy expression. Not only did this trip not achieve the purpose of relaxing, but it actually made him feel heavier and heavier.

"What exactly was overlooked, that the virus's mutation algorithm couldn't be found?"

Gu Lang was thinking as he walked. When he passed by the door of Tang Xinyu's office, Mei Li hurriedly walked out of it holding a box. She suddenly bumped into Gu Lang, and the contents of the box fell to the floor.

, but it turned out to be five or six boxes of CDs, and some small things like paper clips.

"Ouch, I'm so sorry." Meili apologized repeatedly, while squatting down and putting things on the floor into the box.

"It's okay, is Xinyu in the office?" Gu Lang smiled at Meili, squatted on the ground with her and picked up the things scattered on the floor into the box, and asked casually, but he was still thinking about the virus in his mind.

"Here he is, are you looking for him?" Meili said.

"No, I'm just asking casually." Gu Lang said again.

Two boxes of CDs fell to the ground and were scattered. He and Mei Li quickly collected the CDs and put them into the CD boxes. Then they put all the CD boxes into the boxes, and then they began to pick up paper clips on the ground.

, after Gu Lang picked some, he threw the paperclips into the box, and some of them were scattered into the gaps in the middle of the round disc boxes arranged neatly in two rows.

Seeing this situation, Gu Lang was stunned for a moment. Suddenly, an idea flashed in his mind. He thought of something. He picked up a few paper clips from the ground and threw them into the gap between the CD cases. He was stunned for another moment and exhaled.

He stood up immediately and ran away to the technical department in a hurry without even saying hello to Meili.