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Cheating is a term used in behavioral ecology and ethology to describe behavior whereby organisms receive a benefit at the cost of other organisms. Cheating is common in many mutualistic and altruistic relationships. A cheater is an individual who does not cooperate (or cooperates less than their fair share) but can potentially gain the benefit from others cooperating. Cheaters are also those who selfishly use common resources to maximize their individual fitness at the expense of a group. Natural selection favors cheating, but there are mechanisms to regulate it.
Method for identifying and tracing various types of cheating in network security CTF competition
The present application relates to a kind of network security CTF competition multi-class cheating identification and trace analysis method, belong to network security technical field.The present application first monitors and records log to the process of player competition answering question;Then use finite state machine to analyze the logic abnormality of player of answering question step, based on normal distribution to judge the time abnormality of answering question step of player, and according to flag submission time, propose player correlation degree calculation method, find suspicious high similarity player, analyze and trace back the source of player cheating;Finally, collect and comprehensively judge suspicious player Writeup, answering question log under new and old environment, output cheating identification result and analysis report.The method effectively identifies the cheating behaviors in CTF competition, such as proxy participation, multiple accounts, plagiarism of other players' flags or solution ideas, and locates suspicious similar players.
Owner:BEIJING INST OF TECH