The application of judgment matrix approach in detection of vicious script in HTML

A vicious script in HTML was analyzed, and a vicious script detection method based on the statistics was proposed. The different weights for different statistic methods were set by a judgement matrix method which is one of the subjective weighting method, the statistic results of the script were perfected by a weighted geometric mean method, the detected results of the script were obtained. The experiment result shows that the method can efficiently detect the vicious scnipt encrypted by encode and unescape.