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  1. Proceedings of the 2nd ACM International Workshop on Cyber-Physical System Security (CPSS '16)
  2. N-version Obfuscation
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Risk Assessment of Cyber Access to Physical Infrastructure in Cyber-Physical Systems
A Risk Assessment Framework for Automotive Embedded Systems
N-version Obfuscation
Behaviour-Based Attack Detection and Classification in Cyber Physical Systems Using Machine Learning
A Simulation Study on Smart Grid Resilience under Software-Defined Networking Controller Failures
Binding Hardware and Software to Prevent Firmware Modification and Device Counterfeiting
Bypassing Parity Protected Cryptography using Laser Fault Injection in Cyber-Physical System
Exploiting Bro for Intrusion Detection in a SCADA System
BES: Differentially Private and Distributed Event Aggregation in Advanced Metering Infrastructures
Enhancing TPM Security by Integrating SRAM PUFs Technology

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N-version Obfuscation

Content Provider ACM Digital Library
Author Xu, Hui Zhou, Yangfan Lyu, Michael
Abstract Although existing for decades, software tampering attack is still a main threat to systems, such as Android, and cyber physical systems. Many approaches have been proposed to thwart specific procedures of tampering, e.g., obfuscation and self-checksumming. However, none of them can achieve theoretically tamper-proof without the protection of hardware circuit. Rather than proposing new tricks against tampering attacks, we focus on impeding the replication of software tampering via program diversification, and thus pose a scalability barrier against the attacks. Our idea, namely N-version obfuscation (NVO), is to automatically generate and deliver same featured, but functionally nonequivalent software copies to different machines or users. In this paper, we investigate such an idea on Android platform. We carefully design a candidate NVO solution for networked apps, which leverages a Message Authentication Code (MAC) mechanism to generate the functionally nonequivalent diversities. Our evaluation result shows that the time required for breaking such a software system increases linearly with respect to the number of software versions. In this way, attackers would suffer great scalability issues, considering that an app can have millions of users. With minimal NVO costs, effective tamper-resistant security can therefore be established.
Starting Page 22
Ending Page 33
Page Count 12
File Format PDF
ISBN 9781450342889
DOI 10.1145/2899015.2899026
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2016-05-30
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Obfuscation Reverse engineering Tamper-resistance Software security
Content Type Text
Resource Type Article
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