Linkage analysis based web page Trojan track technique

The invention relates to a website horse track technique based on linkage analysis, which uses the linkage of website to search the position of virus and horse programs. The invention uses the linkage of normal website; if present website is distributed directly, the displayed linkage content will not be the executable document, and only the website with website horse needs to download and activate executable virus and horse programs to transmit virus, therefore, said programs must be executable document; using said character, the positions of virus and horse can be analyzed and the activated website can be found. The invention can track and position the website horse, to supply safe network condition.