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Stealth Low-Level Manipulation of Programmable Logic Controllers I/O by Pin Control Exploitation

  • Ali AbbasiEmail author
  • Majid Hashemi
  • Emmanuele Zambon
  • Sandro Etalle
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10242)

Abstract

Input/Output is the mechanism through which Programmable Logic Controllers (PLCs) interact with and control the outside world. Particularly when employed in critical infrastructures, the I/O of PLCs has to be both reliable and secure. PLCs I/O like other embedded devices are controlled by a pin based approach. In this paper, we investigate the security implications of the PLC pin control system. In particular, we show how an attacker can tamper with the integrity and availability of PLCs I/O by exploiting certain pin control operations and the lack of hardware interrupts associated to them.

Keywords

PLC Exploiting SoC ICS 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Ali Abbasi
    • 1
    Email author
  • Majid Hashemi
    • 2
  • Emmanuele Zambon
    • 1
    • 4
  • Sandro Etalle
    • 1
    • 3
  1. 1.Services, Cyber Security and Safety GroupUniversity of TwenteEnschedeThe Netherlands
  2. 2.QuarkslabParisFrance
  3. 3.Eindhoven University of TechnologyEindhovenThe Netherlands
  4. 4.SecurityMatters BVEindhovenThe Netherlands

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