摘要:
A method for monitoring and processing domain name system (DNS) query traffic includes: monitoring DNS query traffic in each time slot during a monitoring period comprised of n number of time slots; extracting traffic information during the monitoring period by using the DNS query traffic monitored in said each time slot; and analyzing the extracted traffic information to detect a DNS traffic flooding attack.
摘要:
The present invention relates to a file detecting system and a method thereof. The file detecting system uses a signature of a file header and collects a network packet including a file to be detected among packets transmitted/received through a network. Subsequently, after the network protocol header is eliminated from the collected network packet, the file is reassembled and recovered. The recovered file is verified, and the verified file is transmitted to various file analysis systems.
摘要:
An apparatus for diagnosing malicious files includes a information transferring unit configured to receive information regarding a malicious file distributed in a management network and an execution file generated by assembling packets collected from the management network; an anti-virus engine configured to determine whether or not the execution file is malicious to generate information regarding a new malicious file; and a management unit configured to transfer the information regarding the malicious file and the information regarding the new malicious file to a terminal device on the management network through the information transferring unit.
摘要:
A method and apparatus for protecting an application layer in a computer network system. The method includes creating a session between a client and a data provider in response to a session connection request from the client, and determining the client as an application layer attacking client when the client generates a session termination request before the data provider transmits to the client a response packet to a data request from the client under the created session.