Obfuscating computer program code

Patent

Obfuscating computer program code

- 20 Nov 2007

231

TL;DR: In this paper, a computer-implemented method of tamper-protecting computer program code is presented, which includes: obtaining an input representation of the program code; identifying a conditional program statement for causing a data processing system to selectively execute one of at least a first and a second sets of program statements when said computer program is executed by a Data Processing System; replacing the identified conditional program statements with a set of transformed program statements to obtain obfuscated program code.

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Citations

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TL;DR: In this paper, an electronic message is analyzed for malware contained in the message and the analysis may include replaying the suspicious URL in a virtual environment which simulates the intended computing device to receive the electronic message, if the replayed URL is determined to be malicious, the malicious URL is added to a black list which is updated throughout the computer system.

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Osman Abdoul Ismael, +4 more

- 23 Jan 2009

TL;DR: In this paper, a set of heuristics are used to identify suspicious network content communicated over a network and further analyzed in a virtual environment that includes one or more virtual environment components.

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Systems and Methods for Scheduling Analysis of Network Content for Malware

Stuart Staniford, +1 more

- 24 Jun 2013

TL;DR: In this paper, a method for detecting malicious network content comprises inspecting one or more packets of network content, identifying a suspicious characteristic of the network contents, determining a score related to a probability that the network content includes malicious network contents based on at least the suspicious characteristic, identifying the content as suspicious if the score satisfies a threshold value, executing a virtual machine to process the suspicious network content and analyzing a response of the virtual machine.

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Optimized resource allocation for virtual machines within a malware content detection system

Osman Abdoul Ismael

- 10 May 2013

TL;DR: In this article, a virtual machine instance provides a first virtual operating environment while the second VM instance is adapted to share the resources allocated to the first VM instance, which is further adapted to allocate additional resources upon conducting Copy-On Write operation.

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195

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References

Proceedings Article•10.1145/996841.996856

Dynamic path-based software watermarking

Christian Collberg, +6 more

- 09 Jun 2004

TL;DR: Results indicate that even relatively large watermarks can be embedded into programs at modest cost and error-correcting and tamper-proofing techniques can be used to make path-based watermarks resilient against a wide variety of attacks.

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Software Tamper Resistance: Obstructing Static Analysis of Programs

Chenxi Wang, +3 more

- 12 May 2000

TL;DR: A theoretical result is presented which shows that a precise analysis of the transformed program, in the general case, is NP-hard and the applicability of the techniques is demonstrated with empirical results.

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