"Momo, your computer is not very powerful!"

"What are you going to do?"

"Hehe~~" A smirk came from the other side of the phone, "I don't believe she doesn't go online."

"You plan to..."

"Momo, this time it depends on you. My buddy's lifelong happiness!"

"You want me to be a hacker and dig out her contact information for you?"

"That's right, it's Momo, I'll be right at the guess."

"..." Mo Hui didn't say anything, thinking about the feasibility and path to achieve this.

"Momo, two brothers in the world, you have to help me no matter what!"

"...I'm not proficient in hacking skills..." Mo said after thinking about it.

"Why are you better than me, a liberal arts student? You are not allowed to shirk this matter. If you really can't handle it, just think we are not destined to do this in this life~~~~~~~" Han Wei also gave an aria behind him!

Mo Hui was shocked by the aria, "I promised it in advance, I don't guarantee that it will be successful!"

"No problem! I'll treat you to a big meal every time! When will you come here?"

Don’t think back, “It’s the weekend, I’ll get off work on Friday. If I need brute force cracking, it’s hard to say how long it takes.”

"Okay! I'm calling on Friday, brother, please give me a call!"

After hanging up the phone, Mo thought about it, downloaded several special hacking tools online, and then put this aside for the time being and continued his own stock god development work.

······

Before he got off work on Friday, Han Wei's phone call came, fearing that Mo Hui would forget about this.

"Okay, okay!" Mo Hui agreed with a stack of words, "When I get home, I'll go to your place!"

Han Wei lives in the west of the city, an older community with average environment and sanitation. Most of the communities are young people who rent here to work hard in the imperial capital.

The food stalls near the community are good and are well-known in the imperial capital. The two of them had a barbecue and beer. After they had enough wine and meals, Han Wei couldn't sit still because he scratched his ears and his forehead, just like a mouse who was about to steal oil, and he couldn't settle down for a moment.

"Don't worry, don't worry, I'll do it for you now!" As he said that, Mo Hui took out his notebook. "Are you sure you live in the unit next to you, right?"

"That's right, definitely right. I guess I live on the 3rd or 4th floor."

"You are on the 5th floor, and you are separated from her room by at least one wall. If you are unlucky, you might have a 2/3 wall in the middle, or even a corridor or something, so it depends on your luck."

Mo back to search for wifi, there were more than twenty wireless signal sources in it. The first thing to do now is to frame the suspicious target.

Mo Hui took out his cell phone, connected the phone with the laptop, and clicked on a pre-prepared hacking software on the laptop.

"What is this for?" Han Wei looked curious.

"This is for vector positioning." Mo Hui said, turning on the GPS function of the phone, and explained to Han Wei while operating. "You see, this software is a GPS optimization software, which can accurately position GPS to 1 meter."

Han Wei was confused and looked harsh.

"Our usual mobile phone positioning is not the true GPS positioning. Academic GPS positioning usually refers to satellite positioning. Although the positioning on our mobile phone is also called GPS, it actually uses the signal difference between different base stations for triangular positioning, and it has nothing to do with satellites."

"Generally speaking, the accuracy of mobile phone positioning is only 50 meters, and no matter how low it is, it will not be provided."

“Not provided?”

"Yes, if you don't provide it, it's more precise that you can't do it, but you don't do it."

“Why?”

"Confidentiality, algorithms, costs, and all factors are estimated to be there."

"Then can your software work?"

"Triangular positioning, not only can the base station position the mobile phone, but the mobile phone can also position itself. This software only runs on the mobile phone. It also uses poor signal, but it needs to be much more accurate."

Mo Hui opened the software and the phone's signal appeared on the amplified map, flashing, "This involves the de-height difference algorithm and noise reduction algorithm. The height difference of each base station and the attenuation of the signal by building occlusion must be calculated."

"Now I associate the positioning of my phone with this software," Mo Hui pointed to the wifi analysis software.

"What's the purpose?"

"We need to use mobile phone positioning as a reference to locate these wifi signals one by one." As he said that, Mo Huidian chose a wifi signal source named KKKAA.

"What we have to do now is to move more than ten meters." Mo Hui slowly walked from the north window to the south balcony with his notebook.

"Okay, the relative position is generated automatically." A simple software box jumped out, which is a three-dimensional coordinate axis, and a bright and shiny point is marked. "Look, this X walk is the line we walked through, and this point is the signal source."

"Just... that's that simple?" Han Wei was obviously Sparta. This was too tall and completely like a different world.

"Simple? This is because there is no professional equipment. If there is a micro antenna, it is just a satellite antenna that is the size of a palm. As long as you turn the antenna, you will naturally be positioned."

Han Wei was obviously a little dizzy, which was a bit high-end for him.

Mo Hui's movement was very fast. In less than half an hour, all twenty recognizable signal sources were located. In the three-dimensional image, these twenty points were almost the distribution map of the houses of Han Wei and neighboring units. Once this map came out, the target would almost be reduced to 4 signal sources.

It seems that Han Wei is lucky. The four signal sources on the 3rd and 4th floors of the next unit were identified, and there was no problem of excessive signal attenuation under the wall block.

Since you have found the target, the next step is to find a way to break into the door of others. Don’t click back and open the password brute force cracking software and pull all four signal sources in.

Mo Hui stretched his waist and stood up, opened a can of Coke for himself. Han Wei was confused on the other side, "Is that over?"

"Now brute force cracking the wifi password, wait."

“How long does it take?”

"I don't know, it depends on luck. If the password is simple, it may be done in a few minutes. If it is complicated, then it will be out of the question. If anyone is perverted, he can get a 148-digit password and it will probably be cracked until next year."

Mo Hui is more confident in the ultrabook. Its computing speed is definitely enough. However, cracking this password depends on the computing speed of the other party's wireless router, so it cannot accelerate, so you can only wait.
Chapter completed!