Search Results for author: Ishai Rosenberg

Found 8 papers, 1 papers with code

Being Single Has Benefits. Instance Poisoning to Deceive Malware Classifiers

no code implementations30 Oct 2020 Tzvika Shapira, David Berend, Ishai Rosenberg, Yang Liu, Asaf Shabtai, Yuval Elovici

The performance of a machine learning-based malware classifier depends on the large and updated training set used to induce its model.

Malware Detection

FOOD: Fast Out-Of-Distribution Detector

1 code implementation16 Aug 2020 Guy Amit, Moshe Levy, Ishai Rosenberg, Asaf Shabtai, Yuval Elovici

Deep neural networks (DNNs) perform well at classifying inputs associated with the classes they have been trained on, which are known as in distribution inputs.

Out-of-Distribution Detection Out of Distribution (OOD) Detection

GIM: Gaussian Isolation Machines

no code implementations6 Feb 2020 Guy Amit, Ishai Rosenberg, Moshe Levy, Ron Bitton, Asaf Shabtai, Yuval Elovici

In many cases, neural network classifiers are likely to be exposed to input data that is outside of their training distribution data.

Benchmarking General Classification +1

End-to-End Deep Neural Networks and Transfer Learning for Automatic Analysis of Nation-State Malware

no code implementations30 Nov 2019 Ishai Rosenberg, Guillaume Sicard, Eli David

We record the dynamic behavior of the APT when run in a sandbox and use it as raw input for the neural network, allowing the DNN to learn high level feature abstractions of the APTs itself.

Authorship Attribution Transfer Learning

Defense Methods Against Adversarial Examples for Recurrent Neural Networks

no code implementations28 Jan 2019 Ishai Rosenberg, Asaf Shabtai, Yuval Elovici, Lior Rokach

Using our methods we were able to decrease the effectiveness of such attack from 99. 9% to 15%.

Cryptography and Security

Query-Efficient Black-Box Attack Against Sequence-Based Malware Classifiers

no code implementations23 Apr 2018 Ishai Rosenberg, Asaf Shabtai, Yuval Elovici, Lior Rokach

In this paper, we present a generic, query-efficient black-box attack against API call-based machine learning malware classifiers.

DeepAPT: Nation-State APT Attribution Using End-to-End Deep Neural Networks

no code implementations27 Nov 2017 Ishai Rosenberg, Guillaume Sicard, Eli David

The task of attributing an APT to a specific nation-state is extremely challenging for several reasons.

Authorship Attribution

Generic Black-Box End-to-End Attack Against State of the Art API Call Based Malware Classifiers

no code implementations19 Jul 2017 Ishai Rosenberg, Asaf Shabtai, Lior Rokach, Yuval Elovici

In this paper, we present a black-box attack against API call based machine learning malware classifiers, focusing on generating adversarial sequences combining API calls and static features (e. g., printable strings) that will be misclassified by the classifier without affecting the malware functionality.

BIG-bench Machine Learning

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