Automatic generation of remediation procedures for malware infections

  • Authors:
  • Roberto Paleari;Lorenzo Martignoni;Emanuele Passerini;Drew Davidson;Matt Fredrikson;Jon Giffin;Somesh Jha

  • Affiliations:
  • Università degli Studi di Milano;Università degli Studi di Udine;Università degli Studi di Milano;University of Wisconsin;University of Wisconsin;Georgia Institute of Technology;University of Wisconsin

  • Venue:
  • USENIX Security'10 Proceedings of the 19th USENIX conference on Security
  • Year:
  • 2010

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Abstract

Despite the widespread deployment of malware-detection software, in many situations it is difficult to preemptively block a malicious program from infecting a system. Rather, signatures for detection are usually available only after malware have started to infect a large group of systems. Ideally, infected systems should be reinstalled from scratch. However, due to the high cost of reinstallation, users may prefer to rely on the remediation capabilities of malware detectors to revert the effects of an infection. Unfortunately, current malware detectors perform this task poorly, leaving users' systems in an unsafe or unstable state. This paper presents an architecture to automatically generate remediation procedures from malicious programs--procedures that can be used to remediate all and only the effects of the malware's execution in any infected system. We have implemented a prototype of this architecture and used it to generate remediation procedures for a corpus of more than 200 malware binaries. Our evaluation demonstrates that the algorithm outperforms the remediation capabilities of top-rated commercial malware detectors.