Chatting pattern based game BOT detection

Do they talk like us?

Ah Reum Kang, Huy Kang Kim, Jiyoung Woo

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Among the various security threats in online games, the use of game bots is the most serious problem. Previous studies on game bot detection have proposed many methods to find out discriminable behaviors of bots from humans based on the fact that a bot's playing pattern is different from that of a human. In this paper, we look at the chatting data that reflects gamers' communication patterns and propose a communication pattern analysis framework for online game bot detection. In massive multi-user online role playing games (MMORPGs), game bots use chatting message in a different way from normal users. We derive four features; a network feature, a descriptive feature, a diversity feature and a text feature. To measure the diversity of communication patterns, we propose lightly summarized indices, which are computationally inexpensive and intuitive. For text features, we derive lexical, syntactic and semantic features from chatting contents using text mining techniques. To build the learning model for game bot detection, we test and compare three classification models: the random forest, logistic regression and lazy learning. We apply the proposed framework to AION operated by NCsoft, a leading online game company in Korea. As a result of our experiments, we found that the random forest outperforms the logistic regression and lazy learning. The model that employs the entire feature sets gives the highest performance with a precision value of 0.893 and a recall value of 0.965.

Original languageEnglish
Pages (from-to)2866-2879
Number of pages14
JournalKSII Transactions on Internet and Information Systems
Volume6
Issue number11
Publication statusPublished - 2012 Nov 30

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Communication
Syntactics
Semantics
Industry
Experiments

Keywords

  • Data mining
  • Game bot
  • MMORPG
  • Online game security
  • Text mining

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Information Systems

Cite this

Chatting pattern based game BOT detection : Do they talk like us? / Kang, Ah Reum; Kim, Huy Kang; Woo, Jiyoung.

In: KSII Transactions on Internet and Information Systems, Vol. 6, No. 11, 30.11.2012, p. 2866-2879.

Research output: Contribution to journalArticle

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