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Lecture 10

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Questions and Answers

What is the primary purpose of malware classification?

To provide information about the source and motives of an adversary (correct)

To eliminate the malware from a system

To create a database of all known malware

To detect malware in a system

What is the difference between malware detection and malware classification?

Both detection and classification involve the same process

Detection involves detecting malware, while classification assigns a class of malware to a given sample (correct)

Detection and classification are two terms used interchangeably

Classification involves detecting malware, while detection assigns a class of malware to a given sample

What was the initial number of features collected for malware classification?

9.53%

50 million (correct)

50 thousand

179,000

What was the dimensionality of the dataset after feature selection and random projections?

179,000 Signup and view all the answers

What was the best performing DNN architecture for malware classification?

A DNN with one hidden layer Signup and view all the answers

What was the error rate on malware type for the best performing DNN architecture?

9.53% Signup and view all the answers

What is the purpose of DGAs in malware tools?

To generate large numbers of domain names for difficult-to-track communications with C2 servers Signup and view all the answers

Why is it difficult to block malicious domains using standard techniques such as blacklisting or sink-holing?

Because DGAs generate large numbers of varying domain names Signup and view all the answers

What are some of the cyber-attacks that DGAs are used for?

Spam campaigns, theft of personal data, and implementation of distributed denial-of-service (DDoS) attacks Signup and view all the answers

What was the error rate on malware type for a DNN with nine layers?

97% Signup and view all the answers