When he came back and turned on the computer, the guy who sold the certificate still didn't reply to the news, he should still be sleeping, Liu Xiao couldn't help but curse secretly: "Damn, it's not his grandmother's enthusiasm to make money, and you have to do things according to your schedule." ”

Putting this matter aside, Liu Xiao began to think about Zhang Xiaohua again, he still felt that Zhang Xiaohua should not be in Fengming City, but he just couldn't think of how Zhang Xiaohua left Fengming, why there was no record of Zhang Xiaohua's exit in all places.

After thinking about it, Liu Xiao decided to call Zhang Chunsheng.

"Hey, I'm Liu Xiao!" Liu Xiao didn't call Uncle Zhang, the two had just yelled yesterday, and they were very embarrassed.

Zhang Chunsheng said "hmm", "What's the matter?", I couldn't hear his feelings at the moment from his tone, I don't know if he was happy or angry.

Liu Xiao coughed twice, "That'...... That, Xiaohua has any news today?"

"No!" Zhang Chunsheng replied simply and succinctly.

"I suddenly remembered something!" Liu Xiao paused, "Did Xiaohua bring a bank card when she went out, you go and check if she has any consumption records in the past few days, if so, you can know where she is at the moment." Also, if she has her mobile phone with her, she should be able to find out where the signal is generated. ”

"The phone is always turned off!

"What about bank cards?" Liu Xiao asked.

Zhang Chunsheng didn't speak for a long time, which made Liu Xiao a little puzzled, and hurriedly asked, "What's going on?"

"Ahem......" Zhang Chunsheng said again and again, "After she moved to school, all her credit cards were suspended by me!"

Liu Xiao collapsed, he didn't know what to say, this father and daughter were really more than one another, and after holding it for a long time, Liu Xiao came out with two words, "You are ruthless!"

"Otherwise, I wouldn't have to be in such a hurry to find her out!" Zhang Chunsheng exploded, "Since she disappeared from school, I haven't been able to eat or sleep for a day, and I've been staying by the phone for so many days, for fear of missing any opportunity to find her." Do you think that when I force her like that, I feel good in my heart? She is my daughter, I am for her good, I don't want to lose her, I do that. If I had known that there would be the consequences of today, and I was worried day and night about whether she would be able to eat and have a place to sleep, I would not have forced her so much. She is my daughter, I would rather suffer all the sins myself, I don't want her to suffer the slightest grievance, you don't understand!"

Zhang Chunsheng yelled at the phone, these days, he is actually very aggrieved, he is thinking about Zhang Xiaohua's happiness for the rest of his life, so he ripped off his face and drove away his old friend Liu Xiao, and just wanted Zhang Xiaohua to return home, so that he could take care of her, his idea was not wrong at all, but unfortunately he was a little anxious, and he did bad things with good intentions, but in the end, Zhang Xiaohua was forced to run away.

Liu Xiao listened to Zhang Chunsheng's panting over there, and knew that he was a little excited at the moment, Zhang Xiaohua was Zhang Chunsheng's daughter, and now that Zhang Xiaohua was gone, no one could compare to Zhang Chunsheng's inner torment and anxiety. Liu Xiao didn't want to say anything at the moment, and comforted: "I understand your hard work, but Uncle Zhang, don't be too anxious, I carefully analyzed and analyzed it today, Xiaohua must be fine now." So we can't mess around, we must stay calm, and then think carefully to see if there are any clues that we have ignored, so that is the fastest way to find Xiaohua. ”

Zhang Chunsheng didn't say anything, and after a long pause, he said, "Okay, I know!"

"Okay, I'll hang up first, and if I think of anything when I'm done, I'll let you know. Liu Xiao paused after speaking, "If you have any news about Xiaohua here, please remember to tell me." ”

"Okay, I know!" Zhang Chunsheng still said these words, and hung up the phone after speaking.

Liu Xiao was about to scratch off his hair at this time, he was really puzzled, Zhang Xiaohua had no money, so where could she go, now I don't know how she got out of Fengming City, and I can't figure out where she is at the moment, Liu Xiao's head is about to break, but he can't think of where to start to check.

"Did you go to a relative's house?" Liu Xiao shook his head, Zhang Chunsheng must have gone through all the places Zhang Xiaohua could go several times, if Zhang Xiaohua really went to a relative's house, unless someone told a lie, he would have been dug up.

"Friends and classmates?" Liu Xiao vetoed again, this is the same reason as relatives, Zhang Chunsheng must have also looked for it, it is estimated that he has even looked for people who have only spoken two words to Zhang Xiaohua.

Liu Xiao paced back and forth in the room, "Then where else can she go?", after walking a few laps, Liu Xiao suddenly slapped his mouth, "She shouldn't be looking for herself, right?"

Liu Xiao felt that this might be too big, the cold war confrontation between Zhang's father and daughter, in the final analysis, was because of herself, according to Zhang Xiaohua's character, the more you don't let her do it, the more energetic she will definitely do it for you, maybe she really went to find herself, if nothing else, she will fight for Zhang Chunsheng, and she will do the same.

"Damn!" Liu Xiao hurriedly picked up the phone and called his property to inquire.

The property owner chattered on the phone for several minutes to figure out who Liu Xiao was and which room he lived in, and then he flipped through the records and said, "No, no one has come to look for you in the past few days." ”

Liu Xiao didn't care about the poor service attitude of the person who asked about the property at this time, and said in a low voice: "Then trouble you, if someone comes to me these days, especially a woman, please be sure to inform me, thank you." ”

"Okay, okay, got it!" the property hung up impatiently.

"Damn, when I go back, I'll move and change the property!" Liu Xiao put away the phone hatefully.

Coming to the computer, Liu Xiao decided to launch a search war, he wanted to know all the recent records from Fengming to Haicheng, whether it was taking public transportation or taking a private car, even if you were walking, Liu Xiao also wanted to know when you left, and whether there was Zhang Xiaohua among the people who walked.

Liu Xiao was furious this time, and dragged down a tool that he hadn't used for a long time from the Internet, this is a super powerful search engine, integrating the functions of major search engines, and there are some search functions designed by Liu Xiao himself, making up for the search areas that are not involved in those big search engines, and it can also be automatically filtered in the search results according to Liu Xiao's own settings.

Liu Xiao's first setting is to search for all the information from Fengming to Haicheng, or from Fengming to other places, but passing through Haicheng;The second setting, the date is within one month;Third, there is Zhang Xiaohua, or Zhang Xiaohua's screen name, nickname, nickname, nickname, and other names related to Zhang Xiaohua appear, Liu Xiao even put the name of Zhang Xiaohua's dog in the third set of conditions.

Based on these settings, the search engine will gradually narrow down the search until it finds the most suitable search result.

Liu Xiao sat in front of the computer, staring at the progress of the search slowly, probably because the search technology designed by Liu Xiao was not mature, anyway, the speed was very slow, and after waiting for a long time, the search engine displayed: "Searching for the first condition, the search completion rate is 3%"

At first, he was a little anxious, but when Liu Xiao was a little sleepy in his chair, he heard the sound of the computer "ding". Liu Xiao looked up at the screen and found that it was "Screening the second condition!", and then instantly arrived, "Screening the third condition!"

"Screening completed!", these three displays were almost completed in two seconds, it seems that the search engine made by Liu Xiao is much inferior to the search function, but fortunately, it still searches out a lot of things.

Liu Xiao opened the results of the screening and found that there were many messages that met the second condition, but none met the third condition.

"Grandma's!" Liu Xiao was a little depressed, it seemed that he could only find it one by one from the second condition himself, maybe he would soon be able to find something related to Zhang Xiaohua, but maybe he couldn't find it in the end and it was not related to Zhang Xiaohua, but Liu Xiao could only find it first now.

Liu Xiao looked at these search results one by one, basically not letting go of a word, even the information that a large truck was going to send a cart of apples from Feng Ming to Haicheng, he read it word for word, and finally analyzed and analyzed, which was several hours.

"Bang bang!" there was a knock on the door.

Liu Xiao didn't raise his head, and continued to look at the screen, "Please come in!"

"What are you busy with?" It was Liu Chen who came in, walked towards Liu Xiao with a smile, and glanced at the screen, "What is this?"

"It's nothing!" Liu Xiao had no choice but to stop what he was doing, "Why are you free?"

"After work, did you come to see you for dinner?" Liu Chen looked at Liu Xiao, "Let's have a meal together?"

Liu Xiao looked back at the searched information, and he was almost finished analyzing, so he shook his head, "I still have something to analyze, why don't you go eat first, I'll ask the waiter to bring the food later!"

Liu Chen was rejected, a little angry, and put his police hat on his head, "Then I'll go!", and muttered on the ground: "Starve to death, forget it!"

It's a pity that Liu Xiao didn't hear it, he was just wondering, why time seems to be getting faster, he hasn't even felt it, another day has just passed! Liu Xiao got up and called the front desk of the guest house, asked them to bring food over, and sat back in front of the computer when it was over, time waits for no one, you have to quickly find where Zhang Xiaohua is at the moment, the time has dragged on for a long time, maybe something will really happen.

Liu Xiao clicked on a new piece of information, which was a post posted by a bicycle and wild donkey group in Fengming City on a domestic wild travel website, saying that they would ride all the way south from Fengming and finally arrive at Leijiang City in the south.

Liu Xiao looked at the replies below, all of which said that he was interested in participating in this ride and asked what he needed to prepare. Turning to the second page, an ID of "stepping on the evil sword palm splitting the Liao clan" appeared in front of Liu Xiao, this ID said in the post that he wanted to participate, and asked where the office of this regiment was.

"Damn!" Liu Xiao dared to pack a ticket 100%, this "Foot Evil Sword Palm Splitting Clan" is definitely Zhang Xiaohua, the gender of the ID is female, except for Zhang Xiaohua, which woman would give such a name. Liu Xiao quickly opened his IP locator, entered the IP address of this ID to post, and sure enough, the result displayed was Fengming University.

Liu Xiao quickly found it in the following post and found the reply made by the poster to Zhang Xiaohua, the office of this cycling group, located on Huanhai Road in Fengming City.

Liu Xiao quickly took out a pen and paper, wrote down the address, and then was about to go out to find it, as soon as she opened the door, the waiter was standing outside, she was also startled by Liu Xiao, and the plate in her hand almost turned over.

"You...... Hello, this is the meal you ordered!" the waiter looked shocked.

"Okay, thank you!" Liu Xiao didn't have time to eat at this time, so he took the meal and put it on the table next to the computer. When I was finished and was about to leave, the computer rang "tick-tick".

Liu Xiao looked at it, but it was the guy who sold the certificate who sent a message, "Okay, you give me your student number!"

"I'm you!" Liu Xiao pointed to the computer and jumped up at that time, "You're a fucking pig, you don't get up until now, you can't get up early or late, but you will get up if Lao Tzu wants to go out!" If the person who sells the certificate wants to stand in front of Liu Xiao at this time, it is estimated that Liu Xiao can really strangle him to death.

What should I do! Since this guy has appeared, he can't ignore it, Liu Xiao came to Feng Ming this time to do this thing, not to mention that he also wants to take care of this matter as soon as possible, and he can concentrate on finding Zhang Xiaohua when he is done.

After thinking about it, Liu Xiao took out the phone and dialed Zhang Chunsheng, "Hey, Uncle Zhang, it's me, Liu Xiao! You take out a paper and pen now, and write down this address, Room 305, 3rd Floor, North Building, Haitian Art School Activity Center, No. 127, Middle Section of Huanhai Road!"

Over there, Zhang Chunsheng seemed to be a little unable to react, "What's wrong with this address?"

"I don't have time to explain to you in detail now, you go to this place in Mashan, this is the office of a wild cycling group, I guess Xiaohua followed this cycling group south!" Liu Xiao was a little anxious, and advised: "When you get there, ask them when the group to Leijiang City will set off, to see if it coincides with the time of Xiaohua's disappearance, and then you can confirm it carefully to see if Xiaohua followed the group." ”

Zhang Chunsheng finally reacted at this time, "Ah......! You...... Tell me the address again!"

Liu Xiao hurriedly repeated the address again, and before he could confirm it, Zhang Chunsheng had already hung up the phone, and it was estimated that he had gone to that place.

"Damn!" Liu Xiao returned to the computer and looked at the avatar of the guy who sold the certificate, "Lao Tzu has no time to talk to you now, let's solve it quickly!"

Liu Xiao found the student number and name that he copied down today, and then sent it to the guy, and when it was over, Liu Xiao began to start his tools, he was ready to forcibly hack into this guy's computer, anyway, this guy is also a rookie, Liu Xiao is confident that he will never be discovered by the other party at his own level.

"Okay, Roger, I'll check it out!" replied.

Liu Xiao temporarily stopped the invasion, he was really stunned by this guy, he had to wait for this guy and his behind-the-scenes boss to catch up, he could invade, everything was safe, Liu Xiao has always controlled the risk to the minimum, although he is confident that he will not be discovered by the other party, but he still has to leave a way out. After determining the position of the opponent's behind-the-scenes master, he will go to get the evidence.

After waiting for about ten minutes, the guy who sold the certificate sent another message, "We can do your student number, but you have to provide a photo!"

Liu Xiao had long known that the other party would ask for photos, and he deliberately asked, "Is it okay to take electronic photos?"

"Electronic photos are the best! If you have them now, send them over!" The other party seems to have received this kind of certificate before, so he has no suspicion at all.

Liu Xiao replied with the word "good", and then sent the electronic photo he had prepared in advance to the other party, while muttering: "Hurry up, hurry up, hurry up and pass this photo to your master!"

The other party clicked to receive, and then continued to reply: "It's over, I'll notify you when I get the certificate, and then I'll pay the money with one hand and deliver the goods with the other." ”

Liu Xiao was stunned, he thought he had to pay the money first, but it seems that he saved it, which also shows that the cost of this fraud is very low, and the other party is not afraid that you will regret it. Liu Xiao replied: "Then it's troublesome for you, how long will it take to do it? I'm ready for the money, just waiting for the certificate!"

"A day or two at the least, three or five days at the most!"

"Grandma's!" Liu Xiao thought to himself, this is equivalent to not saying this, from one to five, you have all accounted for it, who knows when you will be able to do it well. However, Liu Xiao still replied, "Okay, I'll wait for your news." ”

The seller didn't reply to the message again, so he should have been busy.

Liu Xiao sat in front of the computer and waited for a while, and a prompt popped up in the system, "You have a new email, please check." Liu Xiao opened the mailbox and clicked on the email, there was only one IP address in it, Liu Xiao glanced at it, this was exactly the same as the IP that sold the certificate just now.

Liu Xiao sighed, turned off the mail, took the lunch box with his hand, and waited while eating, what he was waiting for was not the IP address of the guy who sold the certificate, he already knew it, what he was waiting for was the IP address of the guy who made the certificate.

The electronic photo that Liu Xiao sent to the other party has already been manipulated, and the size of the electronic photo is no different from that of ordinary photos, and it can be displayed normally, even if you want to modify the photo at will, you can do it. But Liu Xiao took advantage of the vulnerability of the image viewer to embed an executable piece of code in the photo, and as soon as you browse the photo, your real IP address will be recorded, and then mixed in your normal data stream and sent to Liu Xiao's mailbox. This vulnerability is not known to outsiders, so even if you install the best antivirus and anti-espionage program, you will not notice it at all.

Liu Xiao knew from Xiaowu's cousin that there was a master behind the guy who sold the certificate, and from the chat record of the guy who sold the certificate, he deduced that the master must have a database of all the students of Fengming University in his hands, so he went to Fengming University and picked a student number without an electronic photo, so that he could take the opportunity to send the electronic photo of the person who had done tricks and feet to the person who sold the certificate, and when the seller got the photo, it would be transmitted to the master behind him, that is, the guy who made the certificate. In this way, Liu Xiao can get the IP address of the master behind the scenes without much effort, and then quickly determine the real geographical location of the other party.

This is much faster than touching melons along the vine, and it is also safe, so I am not afraid that I will startle the snake.

When Liu Xiao had just finished the meal, the system's prompt popped up again, "You have a new email, please check!"

Liu Xiao opened the speed, this time, sure enough, it was a new IP address, Liu Xiao entered his own IP positioning program, and the result showed that the other party was not in Fengming, this master behind the scenes, is in the provincial capital at the moment, and the approximate location is located in an urban village on the outskirts of the provincial capital. Liu Xiao's IP positioning tool can only be found here, and he can't find it specifically, so it can only be checked through Liu Chen's power.

"Let's get started!" Liu Xiao didn't wait any longer at the moment, he first launched an attack on the IP address where the certificate was sold, targeting all the communication and chat records between the other party and the "little tail wolf", the accounts of the sale of fake certificates, and all relevant clues and evidence.

PS: The war between geniuses and geniuses in "Hacker Jianghu"!