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Section 5: Reconnaissance and Counter-Reconnaissance

After Duan Tianwolf finished speaking, he had only sat in front of the computer for less than a minute, and Duan Tianwolf's PD suddenly rang softly, it was a mobile phone text message, "I have already found out who is using that email to test you." Pen | fun | pavilion www. ｂｉｑｕｇｅ。 ｉｎｆｏ”

Duan Tianwolf looked at the number, and the sender of the text message was none other than Long Guohai.

Looking at this text message, Duan Tianwolf was surprised for a moment, and then began to write a text message, "Who is it?" ”

When Duan Tianluo finished writing these two words and was about to press send, his fingers finally stopped only a millimeter away from the send button.

He raised his head and looked at the BBS interface on the computer screen, and looked at the D called "Dream of Dreams" that belonged to Sun Yunmeng.

"With the surname of the sea, after knowing such an important matter, he must have called me, how could he have texted me?" Duan Tianwolf thought in his heart, "So, the person who sent this text message is not the sea?" ”

Thinking of this, Duan Tianluo immediately deleted the original text message without hesitation, and then rewrote: "You sent it wrong, right?" ”

After returning this text message to the past, Duan Tianwolf immediately entered the computer mode and inquired about any link that could be intercepted or intercepted by the mobile company, telecommunications bureau, and so on.

As early as Duan Tianwolf had this PD, Duan Tianwolf had already planted hidden stakes in every corner related to his mobile phone number. As long as anyone tries to check the call records and text message records of his mobile phone number through the existing network system, then Duan Tianluo will immediately receive an alert and know where the other party is investigating him.

And since he was open and honest with Long Guohai, Duan Tianluo added Long Guohai's mobile phone number to the defense list.

In addition, whenever Duan Tianwolf sent a text message to Long Guohai, or received a mobile phone text message from Long Guohai, as long as the text message was related to the plan of the two of them, then Duan Tianwolf would immediately enter the computer mode within ten seconds, and modify every record of this text message on the network.

For example, after the military training that day, on the way back, Duan Tianwolf sent a message to Long Guohai, "I'm back, is everything going well?" Long Guohai replied with a text message, in which he said a lot of information related to the progress.

Within ten seconds of these two messages being sent, Duan Tianluo quickly made comprehensive changes on the network.

When someone looks at these two messages from the mobile company or anywhere else, he will see a simple two-sentence dialogue, "The military training is over, you can call me if you have something." "Okay, I'll call you when I have time."

There is only one situation where someone else can see the real content of those two text messages, and that is that the other party is already monitoring the communication between the two parties when they send the message. And in order to do this, there must be a premise, that is, that person's technical ability is stronger than Duan Tianwolf, and he can avoid the hidden stakes set up by Duan Tianwolf without letting Duan Tianwolf know that he is being watched.

After checking all the links and confirming that he had not been monitored, Duan Tianwolf looked at the text message on his mobile phone again, "Now there are only two possibilities, the first possibility is that the mobile phone of the sea temporarily falls into the hands of others." The second possibility is that someone used a tool to fake the number and sent me a text message pretending to be Dahai's mobile phone. ”

Thinking of this, Duan Tianwolf no longer hesitated, he immediately dialed a phone call to Long Guohai, only rang, and the phone was picked up, "Tianwolf, I'm talking about things outside, it's not very convenient to answer the phone now." ”

"Did you just text me?" Duan Tianluo asked.

"Nope." Long Guohai looked very inexplicable.

"So has your phone been in your hand for the past five minutes?"

"That's right." Long Guohai didn't know why Duan Tianwolf suddenly asked this.

"That's fine. From now on, whether on the phone or in a text message, you are absolutely not allowed to mention anything related to the plan, remember, absolutely not! ”

"Why? Didn't you say that you had done enough anti-surveillance work? ”

"Don't ask why, I have to hang up the phone now, when do you have time to come to Yucheng recently, I'll hang up."

Duan Tianwolf finished speaking quickly, and immediately hung up the phone.

Now, Duan Tianwolf can be sure that the other party used the second method, that is, using the tool of forging the number, pretending to be Long Guohai's mobile phone to send a text message to Duan Tianwolf, there is no doubt that this is another temptation.

And who is the person who did this, Duan Tianwolf didn't need to check it at all, he knew who it was.

He looked at the mobile phone in his hand and whispered to himself: "You came really fast, next, you should go to the mobile company to check my text message records, right?" ”

As soon as Duan Tianwolf's voice fell, he saw that the light of his PD vibrated slightly, and in the lower left corner of the PD screen, a red dot was displayed, which was Duan Tianwolf's special setting, as long as this red dot appeared, it meant that someone was searching for all his call and text message records from the Internet.

"I'm starting to appreciate you more and more." Duan Tianwolf said in his heart, entered the computer mode again, followed the guidance of the dark pile, came to the server of the mobile company, and then watched Sun Yunmeng read the modified call and text message records page by page.

It is really easy to check Duan Tianwolf's call and text message records, because whether it is a phone call or a text message record, Duan Tianwolf is pitiful. In less than three minutes, Sun Yunmeng read all of Duan Tianwolf's catalogs this year.

After reading it, Sun Yunmeng still felt that he didn't give up, and went to look through the other records of Sky Wolf in the mobile company in the past. Since Duan Tianwolf began to own this PD, he has been checking down.

After wasting half an hour, Sun Yunmeng still found nothing.

In the end, Sun Yunmeng was still unwilling, he left the mobile company and went to another place to check.

As soon as Sun Yunmeng left on the front foot, Duan Tianwolf's back foot immediately pulled out the hidden stake he left in the mobile company. Now that you have decided not to talk about any confidential things on your phone, these secret stakes have lost their meaning of existence. Staying here is only going to cause trouble.

This night, Duan Tianwolf and Sun Yunmeng have been staging such a humorous chase scene - Sun Yunmeng has been persevering in looking for clues left by Duan Tianwolf in one corner after another. But he never found anything, and Duan Tianwolf kept following him, pulling out all the only clues he had left, the dark stakes he left behind, one by one.

The comedy lasted until more than two o'clock in the morning.

Whether it was a temptation or an all-round search, he didn't find anything abnormal about Duan Tianwolf. This made Sun Yunmeng feel a little discouraged.

"How could this be?" Sun Yunmeng stood up a little tiredly, fell on the bed, looked at the ceiling and began to start, "Could it be that the intermediary's guess is wrong?" Could it really be that he was just an ordinary young man with superior intelligence and physical strength to ordinary people? ”

"No......" Sun Yunmeng hugged his head in annoyance and rolled over on the bed irritably, "It shouldn't be like this." My gut tells me that is not the case......"

After Sun Yunmeng finished saying this, he sighed deeply again, and jumped up from the bed suddenly, "Although my intuition has always been accurate, this time all the evidence proves it...... Unless...... Unless all the evidence is faked? ”

Thinking of this, Sun Yunmeng was like a treasure, and he immediately climbed onto his laptop again and began to search again. This search is not to search for records, but to search to see if Duan Tianwolf has any traces of modifying records.

Nothing was found.

Sun Yunmeng was still not discouraged, and continued to search to see if Duan Tianwolf had placed hidden stakes in these corners where he had been.

Still nothing was found.

And all this process, Duan Tian Wolf naturally looked at it all again as if he had been in front of him. While he was glad that he had acted, he did admire Sun Yunmeng's quick reaction.

"Without knowing the other party's methods at all, even if it's me, I guess I can only do it to this extent." Duan Tian Wolf thought to himself.

Sun Yunmeng's series of performances made his status in Duan Tianwolf's mind rise again and again, but he didn't know about it at this time. He only felt frustrated, because now he really had no choice.

Looking at the time on the computer, it was already five o'clock in the morning.

Tired and dizzy, Sun Yunmeng was physically and mentally exhausted, and although he was very reluctant, he still sent the first email to Ling Mengdie on his laptop-"The first step of reconnaissance has been completed. After initial contact, SMS testing, and a comprehensive search of communication information, no valid information was found. At the moment, there are only two possibilities. First, Duan Tianluo was just an ordinary person. Second, Duan Tianwolf was extremely cautious and never left any clues on the communication. Conclusion: The means of interception or interception of communication signals are completely ineffective, and I retract my previous suggestion to initiate full surveillance. ”

In less than five minutes, he received a reply from Ling Mengdie, "There is a third possibility-Duan Tianluo is smarter than you. As for the surveillance plan, I have my own opinion. You have only been in contact for a short time, so don't jump to conclusions and continue to follow up. ”

(To be continued)