Anomaly detection method and device for MMORPGs

Abstract

The invention discloses an efficient and reliable anomaly detection method for MMORPGs. The method comprises the steps of 1, mapping a player event to a ''player ID-timestamp-operation ID-parameter'' four-dimensional space by means of a tetrad, aggregating the full-scale events of all players, splitting a player sequence into rank sequences with upgrading as the time point for splitting, and conducting operation frequency statistics on the rank sequences; 2, conducting event frequency extraction on all users based on the same rank, and conducting normalization on each event frequency; 3, taking operation union sets of all players according to rank, and conducting equal-length extension on the operation of each player to obtain a numeric type vector; and 4, conducting column-based clustering, conducting dimensionality reduction on k events with the best clustering effect, conducting secondary clustering, dividing players into a plug-in cluster and multiple normal clusters, and conducting clustering on the clusters with the highest recall rate, so that detection is achieved. Corresponding detection devices include a log discretization module, a MeanShift module, a normalization module, a dimensionality reduction module, a primary clustering module and modules before the primary clustering module. The efficient and reliable anomaly detection method for MMORPGs is used for plug-in detection of MMORPGs.

Description

technical field [0001] The invention relates to external technical data processing in the computer field, specifically, including feature transformation and clustering technology in machine learning, and proposes an abnormality detection method and device for MMORPGs games. Background technique [0002] Massively multiplayer online role-playing games (Multi-User Online Role-Playing Games—MMORPGs) provide players with a complete fictional world, and support behaviors such as fighting monsters, buying equipment, and trading, with a rich gaming experience. However, with the expansion of the number of game players, it also leads to the proliferation of game cheats. Plug-ins use programs instead of humans to play games, and realize automatic money making, upgrades, and transactions with real players for the purpose of profit. These plug-ins can usually simulate the behavior of real players in large quantities, [0003] And seriously damage the economic system of the game, and c...

AI Technical Summary

Problems solved by technology

[0008] The present invention aims to solve the inaccurate detection and identification of the existing MMORPGs plug-in abnormalities, or the detection is too one-sided, the detection means are prone to failure, and manual marking is required to cause a lot of manpower work, which cannot achieve the effect of automatic detection. Therefore, a method for MMORPGs of the present invention is provided. Game abnormality detection method and device

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