Alibaba Group Holding Limited
URL abnormality positioning method and device, and server and storage medium

Abstract:

Embodiments of the specification provide a URL abnormal field location method. One exemplary method comprising: obtaining a plurality of URL samples comprising a plurality of abnormal URL samples and a plurality of normal URL samples; for each of the plurality of URL samples, obtaining a plurality of feature vectors representing the plurality of fields of the URL sample; assigning a plurality of training labels to the plurality of feature vectors of each of the plurality of URL samples; obtaining, based on a classifier, a plurality of predicted labels for the plurality of feature vectors of each of the plurality of URL samples; updating the plurality of training labels based on the plurality of predicted labels; training the classifier with the plurality of updated training labels; and deploying the trained classifier to identify an abnormal field in a URL.