中文
相关论文

相关论文: Differential Area Analysis for Ransomware Attack D…

200 篇论文

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.…

密码学与安全 · 计算机科学 2021-07-26 Benjamin Marais , Tony Quertier , Christophe Chesneau

Abstract-Email cyber-attacks based on malicious documents have become the popular techniques in today's sophisticated attacks. In the past, persistent efforts have been made to detect such attacks. But there are still some common defects in…

计算机与社会 · 计算机科学 2019-03-26 Luping Liu , Xiaohai He , Liang Liu , Lingbo Qing , Yong Fang , Jiayong Liu

The retrieval of data from computer hard drives that have been seized from police busts against suspected criminals are sometimes not straight forward. Typically the incriminating data, which may be important evidence in subsequent trials,…

密码学与安全 · 计算机科学 2020-04-28 Eric Järpe , Quentin Gouchet

Currently, different forms of ransomware are increasingly threatening Internet users. Modern ransomware encrypts important user data and it is only possible to recover it once a ransom has been paid. In this paper we show how…

密码学与安全 · 计算机科学 2018-04-10 Krzysztof Cabaj , Wojciech Mazurczyk

Malware remains a big threat to cyber security, calling for machine learning based malware detection. While promising, such detectors are known to be vulnerable to evasion attacks. Ensemble learning typically facilitates countermeasures,…

密码学与安全 · 计算机科学 2020-07-01 Deqiang Li , Qianmu Li

Modern statistical estimation is often performed in a distributed setting where each sample belongs to a single user who shares their data with a central server. Users are typically concerned with preserving the privacy of their samples,…

Recently researchers have proposed using deep learning-based systems for malware detection. Unfortunately, all deep learning classification systems are vulnerable to adversarial attacks. Previous work has studied adversarial attacks against…

密码学与安全 · 计算机科学 2017-12-19 Jack W. Stokes , De Wang , Mady Marinescu , Marc Marino , Brian Bussone

We study the space complexity of the two related fields of differential privacy and adaptive data analysis. Specifically, (1) Under standard cryptographic assumptions, we show that there exists a problem P that requires exponentially more…

密码学与安全 · 计算机科学 2023-02-14 Itai Dinur , Uri Stemmer , David P. Woodruff , Samson Zhou

Malware poses a significant security risk to individuals, organizations, and critical infrastructure by compromising systems and data. Leveraging memory dumps that offer snapshots of computer memory can aid the analysis and detection of…

密码学与安全 · 计算机科学 2023-10-09 Salim Sazzed , Sharif Ullah

Ransomware, a fearsome and rapidly evolving cybersecurity threat, continues to inflict severe consequences on individuals and organizations worldwide. Traditional detection methods, reliant on static signatures and application behavioral…

密码学与安全 · 计算机科学 2024-06-13 Dionysios Diamantopoulos , Roman Pletka , Slavisa Sarafijanovic , A. L. Narasimha Reddy , Haris Pozidis

In the big data era, many organizations face the dilemma of data sharing. Regular data sharing is often necessary for human-centered discussion and communication, especially in medical scenarios. However, unprotected data sharing may also…

机器学习 · 计算机科学 2020-02-12 Yingdong Hu , Liang Zhang , Wei Shan , Xiaoxiao Qin , Jing Qi , Zhenzhou Wu , Yang Yuan

We present a novel approach to identify ransomware campaigns derived from attack timelines representations within victim networks. Malicious activity profiles developed from multiple alert sources support the construction of alert graphs.…

Malware detection is an ever-present challenge for all organizational gatekeepers, who must maintain high detection rates while minimizing interruptions to the organization's workflow. To improve detection rates, organizations often deploy…

密码学与安全 · 计算机科学 2020-05-21 Yoni Birman , Shaked Hindi , Gilad Katz , Asaf Shabtai

Malware constitutes a major global risk affecting millions of users each year. Standard algorithms in detection systems perform insufficiently when dealing with malware passed through obfuscation tools. We illustrate this studying in detail…

密码学与安全 · 计算机科学 2019-11-12 Alberto Redondo , David Rios Insua

The quality of image encryption is commonly measured by the Shannon entropy over the ciphertext image. However, this measurement does not consider to the randomness of local image blocks and is inappropriate for scrambling based image…

密码学与安全 · 计算机科学 2016-11-27 Yue Wu , Joseph P. Noonan , Sos Agaian

There is an increase in global malware threats. To address this, an encryption-type ransomware has been introduced on the Android operating system. The challenges associated with malicious threats in phone use have become a pressing issue…

密码学与安全 · 计算机科学 2025-10-30 Parick Ozoh , John K Omoniyi , Bukola Ibitoye

Researchers have proposed a wide range of ransomware detection and analysis schemes. However, most of these efforts have focused on older families targeting Windows 7/8 systems. Hence there is a critical need to develop efficient solutions…

密码学与安全 · 计算机科学 2023-06-27 Aldin Vehabovic , Hadi Zanddizari , Nasir Ghani , Farooq Shaikh , Elias Bou-Harb , Morteza Safaei Pour , Jorge Crichigno

Deep neural networks (DNNs) are increasingly being applied in malware detection and their robustness has been widely debated. Traditionally an adversarial example generation scheme relies on either detailed model information (gradient-based…

密码学与安全 · 计算机科学 2022-09-07 Sun RuiJin , Guo ShiZe , Guo JinHong , Xing ChangYou , Yang LuMing , Guo Xi , Pan ZhiSong

State of the art deep learning techniques are known to be vulnerable to evasion attacks where an adversarial sample is generated from a malign sample and misclassified as benign. Detection of encrypted malware command and control traffic…

密码学与安全 · 计算机科学 2020-11-10 Carlos Novo , Ricardo Morla

Ransomware attacks are among the most severe cyber threats. They have made headlines in recent years by threatening the operation of governments, critical infrastructure, and corporations. Collecting and analyzing ransomware data is an…

密码学与安全 · 计算机科学 2022-05-11 Kris Oosthoek , Jack Cable , Georgios Smaragdakis