CHEMICAL ENGINEERING TRANSACTIONS  
 

VOL. 51, 2016 

A publication of 

 
The Italian Association 

of Chemical Engineering 
Online at www.aidic.it/cet 

Guest Editors: Tichun Wang, Hongyang Zhang, Lei Tian 
Copyright © 2016, AIDIC Servizi S.r.l., 

ISBN 978-88-95608-43-3; ISSN 2283-9216 

Radiation-Based Virus Attack and Defense Reliability 
Optimization Design 

Peng Yang 
Department of Information Engineering, ShaanXi Polytechnic Institute, Xianyang, Shaanxi 712000, China 
ypeng1123@sina.com 

In this paper, the feasibility of computer networks against virus attacks are analyzed, pointing out the 
characteristics of computer virus weapon, injection methods and attacks. The last of a computer virus spread 
in the network established a relevant mathematical model. From the simulation results, we can see a 
computer spread of the virus in the network speed and the number of infected machines varies with time, so 
as to implement computer virus attacks radiation information provided strong evidence. A computer virus 
attack and defense model of radiation information, the establishment of the virus, through the network 
communication protocol analysis. The original virus information are coded modulation corresponding 
conversion, so the network can recognize the enemy and running, then fired out through radio, after field line 
coupling mode, enter the enemy network. 

1. Introduction 

With the development and improvement of computer technology, there has been able to pose a serious threat 
to computer security computer viruses (Balog 2007). It stumbled from the initial research until the targeted 
destruction of computer network information security becomes a major risk (Seager, 2012). Currently, 
computers are widely used in various sectors, security and computer invasion of viruses will become a means 
of struggle, greatly improve the ability of computer network attack and defense, high-tech conditions, which is 
an effective way of information confrontation (Li and Szekely, 2014). The computer network is the computer 
technology and communication technology closely integrated product, used in modern electronic systems has 
become increasingly common, and its importance has become increasingly prominent (Site, 2015). Security is 
a major issue of the current research computer network, network security involves two aspects: First, the 
performance of defense, namely the security and confidentiality of network information and network against 
malicious interference, especially the anti-virus attack capability; the second is to attack the performance, 
which is important for certain hostile network attacks capacity (Programme, 2016). 
The early 1920s, the reliability issue has just been raised, people question the reliability of the image of the 
lack of awareness (Tu, 2012). Until the outbreak of the Second World War, a large number of new weapons 
and equipment into the battlefield which, in a brutal war environment, many weapons unreliable weapons to 
the user to bring a painful lesson (Balog, 2006). War countries have begun to attach importance to the 
reliability of weapons and equipment, and after the war extended to other industries and fields (Arnason, 
2015). Thus, the study of the reliability problem is that people gradually groped in practice, for it is the 
inevitable result of the study of science and technology development to a certain extent after (Ramana, 2016). 
After long-term development, and reliability issues related to the subject more and more areas, and gradually 
formed a new comprehensive interdisciplinary (Kuzushima and Tang, 2013). 
In this paper, the key technologies of computer network radiation information attack and defense had a full 
and detailed study to solve the computer virus information radiation attack and defense mechanism, radiation 
injection computer virus information, security, wired recognition technology computer virus information, 
computer network antivirus radiation attack key technical protection radius, according to research, computer 
network virus attack and defense radiation information mechanistic detailed theoretical analysis, it helps to 
understand the information against the principle behind the smooth start of the program designed to lay a solid 
foundation. A computer virus attack and defense model of radiation information, the establishment of the virus, 

                               
 
 

 

 
   

                                                  
DOI: 10.3303/CET1651133

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Please cite this article as: Yang P., 2016, Radiation-based virus attack and defense reliability optimization design, Chemical Engineering 
Transactions, 51, 793-798  DOI:10.3303/CET1651133   

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through the network communication protocol analysis, the original virus information are coded modulation 
corresponding conversion, so the network can recognize the enemy and running, then fired out through radio, 
after field line coupling mode, enter the enemy network. 

2. The related theory and method 

2.1 Computer network reliability algorithm 
Complete state enumeration method, algorithm and do not pay, inclusion and exclusion algorithm, 
factorization algorithms, special network belong to the traditional algorithm computer network reliability. 
Wherein the complete state enumeration method since the method is simple, it is widely used in the computer 
network reliability. 
The main idea of the state of enumeration method solve the network reliability by enumerating all the networks 
mutually exclusive events under specified conditions of normal operation, Bj to calculate the reliability of the 
network. Network reliability is given by: 

 
m

e i
R P B   (1) 

GA is not strictly limited to the scope and type of objects, especially for the complicated system related to the 
deconstruction of the most reasonable solution input method is reasonable and easy to row. Establish 
standard procedures given below genetic algorithms for solving specific problems and get the most optimized 
solution provides a standard method. 
Fitness value selection function give to a range of cost-value coding (the maximum is set to Pop-size; the 
minimum is set to 1), and re-set in descending order according to the individual cost values, the purpose of 
this work is to choose the algorithm process deviations may occur Ideally restrictions, this fitness function can 
be expressed as follows build: 

 
1

_ 1

x
f x

PoP size





 (2) 

2.2 Mathematical model of the network virus transmission  
Computer virus attacks on the network is to use the characteristics of the virus infection, when we LAN to a 
computer virus injection is successful, the virus transmitted through large-scale information and 
communication on the LAN, a certain trigger condition is satisfied after the virus began to proceed damaging 
effects, so as to meet the LAN computer virus attack requirements. 
M secondary data communication within the n-th unit time and the n + 1 units of time gap, the source machine 
infected machine mathematical expectation is: 

 n
M

E x
N

 (3) 

The number of non-toxic target machine mathematical expectation:  

 n
M

M E x
N

  (4) 

Roots dig assumptions and random spread of new mathematical expectation of increased exposure of the 
machine as follows: 

 
 

1
n

n

E xM
E x

N N

 
 

 
 (5) 

So this time the number of infected machines is: 

     
 

1
1

n

n n n

E xM
E x E x E x

N N


 
   

 
 (6) 

Per unit time the number of infected machines is: 

794



   

 
 

 1
1

1

n n n

n

E x E x E xM
E x

n n N N


  

  
   

 (7) 

Because, f (0) = 1, the number of computers infected at the time of:  

 
   1 1

n M N

N
E x

N e



  
 

 (8) 

Computer network communications to maintain a certain density, we choose a strong infectious virus attack, 
when the spread of the virus to a certain extent, they stimulate the virus triggering module destruction, thus 
completing the network virus attacks. 

2.3 The establishment of the virus database 
We chose virus attacks, is that it has a computer network attack characteristics, with the continuous 
development of virus technology, with different targets and performance viruses are emerging. In accordance 
with the operating system to attack the virus, we have established the virus for windows operating system.  
Police virus: it is designed to detect enemy computer systems, and proven performance characteristics of their 
systems, computer monitor arms reconnaissance, jamming and other military operations from the enemy, 
such as: "spy-type" virus, Figure 1 shows part of the virus code packet: 

0000 :  16 03 01 00 4  01 00 00 49 03 01 44 2  2  1  67

0010 :  6  5 05 5 88 12 6  8  8 3 5 9  0 55 0 

0020 :  99 24   72 36 8  7 18 5 69 00 00 22 00 39

0030 :  00 38 00 37 00 36 00 35 00 33 00 32

d c d f

c e a b f a d e e e e bd

dd dc c c f

 00 31 00 30

0040 :  00 2  00 05 00 04 00 13 00 0  00 16 00 10 00 00

0080 :  99 24  3  78 36 83 e7 18 5 69 00 00 22 00 39

00 0 :  00 99 00 37 00 36  35  ca  00 32  31 00 30

f d

dc c f

a ff ca eb  

Figure 1: The part of the virus code packet 

Spoofing virus is the use of a computer virus into the internal system, the system program to the enemy or 
falsified system to "inject" false information, resulting in its decision-making mistakes weapons, such as "Jiao 
order type" virus, the virus code is part of the packet was shown in Figure 2: 

0050 :  77 2  00 05 0  04 c0 13 00 0  00 16 00 10 00 00

0010 :  6  5 05 5 88 12 6  8  8 3 5 9  0 55 0 

0000 :  16 03 01 00 4  01 00 00 49 03 01 44 2  2  1  88

00 0 :  00 99 00 37 00 6   35  ca  00 3

f c e

c e a b f a d e e e e bd

d c d f

a f ff ca 2  31 00 30

0020 :  99 24 6   12 36 8  7 18 5 69 00 00 22 00 39

00 0 :  99 24  3  78 36 83 e7 18 5 69 00 02 22 00 39

0040 :  00 38 00 37 00 36 00 35 00 33 00 32 00 31 00 30

0030 :  00 2  00 05 00 04 00 1

eb

d dc c c f

c dc c f

f 3 00 0  00 16 00 10 00 00d

 

Figure 2: Spoofing virus part of the code 

In the figure the number of LAN traffic dig package "00 Oa eb 63 17 40" is DA, but "00 0a eb 26 2d 32" is SA, 
"05dc" indicates the length of the packet is 1500 bytes, and other data DATA is content with the PAD. 

795



3. Experiments and results 

3.1 Computer communication network model and protocols 
It must be considered when designing a LAN network speed, distance and cost required for the connection. 
The main factors affecting the LAN connection is a fair distance from the access mechanism. The two most 
common access mechanism is CSMA/CD and token passing, which are mapped to Ethernet and token ring. 
The agreement with the formation of the 10BASE-T Ethernet was shown in Figure 3: 
 

Hub Hub

Switches

Database
Server

DNS

PC1 PC2 PC3 ...PC3 PC1 PC2  

Figure 3: The agreement with the formation of the 10BASE-T Ethernet 

10BASE-T unshielded twisted-pair is 10Mbit / s Ethernet transmission rate, its technical features is the use of 
an existing 802.3 media access control (MAC) layer, via a media attachment unit (MAu) and 10BASE-T 
physical media connected. T physical media uses two pairs of category 3 UTP, wire terminations that meet 
ISO standards lu45 plug, line length up to 100m, the signal frequency range of 1020MHz, typical network 
equipment network cards, hubs, switches, and servers. 
Ethernet networking is simple, fast, cost-effective, reliable transmission of information, traditional data 
transmission network application more excellent solutions, so it is used in a large number of theater between 
civil and / Army garrison command center and at all levels of the engine room communications. 

3.2 Reliability optimization analysis 
Cost matrix C0 and computer network computer network link reliability matrix R0, respectively, as shown 
below. 

0

0 5 8 12 14 7

5 0 9 4 8 11

8 9 0 5 10 9

12 4 5 0 3 7

14 8 10 3 0 6

7 11 9 7 6 0

C

 
 
 
 

  
 
 
 
 

 
(9) 

0

0 0.98 0.95 0.99 0.999 0.96

0.98 0 0.97 0.988 0.996 0.99

0.95 0.97 0 0.96 0.95 0.988

0.99 0.988 0.96 0 0.93 0.92

0.999 0.996 0.95 0.93 0 0.96

0.96 0.99 0.998 0.92 0.96 0

R

 
 
 
 

  
 
 
 
   

(10) 

End conditional simulation genetic manipulation is the number of iterations is 100 times. Computer network 
link cost simulation graphs and computer network reliability simulation curve was shown in Figure 4, 
respectively. 

796



0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

X axis track/m

P
o

s
it
io

n
in

g
 a

c
c
u

ra
c
y
/m

 

 

Positioning accuracy before optimization

The optimized positioning accuracy

10
4

 

Figure 4: Computer network link cost simulation graphs and computer network reliability simulation curve  

To ensure that computer networks can achieve maximum performance, you should master the rules of 
computer network failure occurs and its impact on the normal work produced, and to consider appropriate 
measures. Computer network optimization network design is a systematic project, to be considered at the 
meet business performance requirements, and to ensure the reliability of the premise, as far as possible to 
control costs; or in the provision of certain preconditions, a computer network can not only meet business 
requirements and to ensure the stability to maximize. 
As can be seen from Figure 5, the anti-virus computer network attacks radiation safety is inversely 
proportional to the radius of the coupling length, the greater the coupling length, the smaller the safety 
distance, at the same time it can be seen, the coupling affects the length of the radius of network security is 
not radiation injected power significantly. 

 

Figure 5: Security loom and half the coupling length simulation 

As can be seen from the above simulation, safety and radiation protection radius injected power is 
proportional to the radiation computer network antivirus attack, the relationship is inversely proportional to the 
length of the cable coupling. Thus to achieve the radiation injected into the virus, which is normally radiated 
power must be large enough for the characteristics of the radio, using the 125W HF radio to meet in 50m virus 
injected radiation. 

4. Conclusions 

In this paper, the feasibility of computer networks against virus attacks are analyzed, pointing out the 
characteristics of computer virus weapon, injection methods and attacks, the last of a computer virus spread in 
the network to establish a relevant mathematical model, the simulation results, we can see a computer spread 
of the virus in the network speed and the number of infected machines varies with time, so as to implement 
computer virus attacks radiation information provided strong evidence. First proposed a computer model to 
attack the network and its communication protocol analysis, computer virus attacks radiation information 

797



modeling, design and implementation of radiation virus attack scheme by analyzing the target data formats, 
encoding, modulation characteristics, the establishment of a virus attack information signal flow, to achieve the 
purpose of the network is to identify the enemy and run.  

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