Patent
Obfuscating computer program code
Johan Eker,Björn Johansson,Carl Von Platen +2 more
- 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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Abstract: A computer-implemented method of tamper-protecting computer program code. The method comprises: obtaining an input representation of the computer 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 said identified conditional program statement and the first and second sets of program statements with a set of transformed program statements to obtain obfuscated program code, wherein the set of transformed program statements is adapted to cause the data processing system to execute at least a part of each of the transformed program statements when said computer program is executed by the data processing system.
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Citations
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Peng Huaxi
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TL;DR: In this article, a software protection method and a software application method of an android system, and related devices, are described, which comprises the steps of acquiring a first code corresponding to to-be-protected software; replacing a function code of an application programming interface (api) in the first code with an api character string code for api call through a character string way, so as to obtain a second code correspond to the to be protected software; performing code derangement on the character string in the api code and packaging the third code and a recovery program corresponding to the derang
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TL;DR: A malware detection and identification system is a controller that features an analysis environment including a virtual machine as mentioned in this paper, which monitors state information associated with the identified portion of the data during execution by the virtual machine.
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3
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