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A classifier using byte n-grams as features is the only approach we have found fast enough to meet requirements in size (sub 2 MB), speed (multiple GB/s), and latency (sub 10 ms) for deployment in numerous malware detection scenarios.…

Cryptography and Security · Computer Science 2025-11-19 Edward Raff , Ryan R. Curtin , Derek Everett , Robert J. Joyce , James Holt

The number of n-gram features grows exponentially in n, making it computationally demanding to compute the most frequent n-grams even for n as small as 3. Motivated by our production machine learning system built on n-gram features, we ask:…

Data Structures and Algorithms · Computer Science 2025-11-20 Ryan R. Curtin , Fred Lu , Edward Raff , Priyanka Ranade

This paper investigates the application of natural language processing (NLP)-based n-gram analysis and machine learning techniques to enhance malware classification. We explore how NLP can be used to extract and analyze textual features…

Cryptography and Security · Computer Science 2026-02-24 Bishwajit Prasad Gond , Rajneekant , Pushkar Kishore , Durga Prasad Mohapatra

Quantum computing has evolved quickly in recent years and is showing significant benefits in a variety of fields, especially in the realm of cybersecurity. The combination of software used to locate the most frequent hashes and $n$-grams…

Quantum Physics · Physics 2022-05-09 Nicholas R. Allgood , Charles K. Nicholas

Android malware has been on the rise in recent years due to the increasing popularity of Android and the proliferation of third party application markets. Emerging Android malware families are increasingly adopting sophisticated detection…

Cryptography and Security · Computer Science 2016-12-06 BooJoong Kang , Suleiman Y. Yerima , Sakir Sezer , Kieran McLaughlin

Malware detection is a growing problem particularly on the Android mobile platform due to its increasing popularity and accessibility to numerous third party app markets. This has also been made worse by the increasingly sophisticated…

Cryptography and Security · Computer Science 2016-07-28 BooJoong Kang , Suleiman Y. Yerima , Kieran McLaughlin , Sakir Sezer

Managing the threat posed by malware requires accurate detection and classification techniques. Traditional detection strategies, such as signature scanning, rely on manual analysis of malware to extract relevant features, which is labor…

Machine Learning · Computer Science 2023-03-24 Vrinda Malhotra , Katerina Potika , Mark Stamp

Detection of unknown malware with high accuracy is always a challenging task. Therefore, in this paper, we study the classification of unknown malware by two methods. In the first/regular method, similar to other authors [17][16][20]…

Cryptography and Security · Computer Science 2018-09-18 Ashu Sharma , Sanjay K. Sahay , Abhishek Kumar

Network and system security are incredibly critical issues now. Due to the rapid proliferation of malware, traditional analysis methods struggle with enormous samples. In this paper, we propose four easy-to-extract and small-scale features,…

Cryptography and Security · Computer Science 2022-01-20 Zhenshuo Chen , Eoin Brophy , Tomas Ward

Malicious software (malware) poses an increasing threat to the security of communication systems as the number of interconnected mobile devices increases exponentially. While some existing malware detection and classification approaches…

Machine Learning · Computer Science 2021-06-07 Julian Busch , Anton Kocheturov , Volker Tresp , Thomas Seidl

Industry practitioners care about small improvements in malware detection accuracy because their models are deployed to hundreds of millions of machines, meaning a 0.1\% change can cause an overwhelming number of false positives. However,…

Machine Learning · Computer Science 2023-12-27 Tirth Patel , Fred Lu , Edward Raff , Charles Nicholas , Cynthia Matuszek , James Holt

In multimedia, text or bioinformatics databases, applications query sequences of n consecutive symbols called n-grams. Estimating the number of distinct n-grams is a view-size estimation problem. While view sizes can be estimated by…

Databases · Computer Science 2014-02-05 Daniel Lemire , Owen Kaser

This technical report presents a comprehensive analysis of malware classification using OpCode sequences. Two distinct approaches are evaluated: traditional machine learning using n-gram analysis with Support Vector Machine (SVM), K-Nearest…

Cryptography and Security · Computer Science 2025-04-21 Varij Saini , Rudraksh Gupta , Neel Soni

Machine learning has become an appealing signature-less approach to detect and classify malware because of its ability to generalize to never-before-seen samples and to handle large volumes of data. While traditional feature-based…

Cryptography and Security · Computer Science 2024-04-30 Daniel Gibert , Carles Mateu , Jordi Planes , Quan Le

Detection and analysis of a potential malware specifically, used for ransom is a challenging task. Recently, intruders are utilizing advanced cryptographic techniques to get hold of digital assets and then demand a ransom. It is believed…

Cryptography and Security · Computer Science 2020-06-08 Arslan Ashraf , Abdul Aziz , Umme Zahoora , Muttukrishnan Rajarajan , Asifullah Khan

Due to increasing threats from malicious software (malware) in both number and complexity, researchers have developed approaches to automatic detection and classification of malware, instead of analyzing methods for malware files manually…

Cryptography and Security · Computer Science 2020-11-02 Ahmed Bensaoud , Nawaf Abudawaood , Jugal Kalita

Enterprise networks are in constant danger of being breached by cyber-attackers, but making the decision about what security tools to deploy to mitigate this risk requires carefully designed evaluation of security products. One of the most…

Cryptography and Security · Computer Science 2016-08-03 Konstantin Berlin , Joshua Saxe

When training a machine learning model, there is likely to be a tradeoff between accuracy and the diversity of the dataset. Previous research has shown that if we train a model to detect one specific malware family, we generally obtain…

Cryptography and Security · Computer Science 2022-07-05 Samanvitha Basole , Fabio Di Troia , Mark Stamp

Malware detection and analysis are active research subjects in cybersecurity over the last years. Indeed, the development of obfuscation techniques, as packing, for example, requires special attention to detect recent variants of malware.…

Cryptography and Security · Computer Science 2021-07-26 Benjamin Marais , Tony Quertier , Christophe Chesneau

This study independently reproduces the malware detection methodology presented by Felli cious et al. [7], which employs order-invariant API call frequency analysis using Random Forest classification. We utilized the original public dataset…

Cryptography and Security · Computer Science 2026-01-14 Juhani Merilehto
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