Which of the following types of signatures is used in an Intrusion Detection System to trigger on attacks that attempt to reduce the level of a resource or system, or to cause it to crash?
Suggested Answer:C🗳️
Following are the basic categories of signatures: Informational (benign): These types of signatures trigger on normal network activity. For example: ICMP echo requests The opening or closing of TCP or UDP connections Reconnaissance: These types of signatures trigger on attacks that uncover resources and hosts that are reachable, as well as any possible vulnerabilities that they might contain. For example: Reconnaissance attacks include ping sweeps DNS queries Port scanning Access: These types of signatures trigger on access attacks, which include unauthorized access, unauthorized escalation of privileges, and access to protected or sensitive data. For example: Back Orifice A Unicode attack against the Microsoft IIS NetBus DoS: These types of signatures trigger on attacks that attempt to reduce the level of a resource or system, or to cause it to crash. For example: TCP SYN floods The Ping of Death Smurf Fraggle Trinoo Tribe Flood Network
The type of signature used in an Intrusion Detection System to trigger on attacks that attempt to reduce the level of a resource or system, or to cause it to crash is C. DoS, which stands for Denial-of-Service.
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