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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Amit Malik,Shivani Deshpande,Abhishek Singh,Wei Zheng +3 more
- 01 Jul 2014
TL;DR: In this article, a malware detection system configured to detect suspiciousness in obfuscated content is presented, where a multi-stage static detection logic is utilized to detect obfuscation, make the obfuscated contents accessible, identify suspiciousness of the accessible content and filter non-suspicious non-obfuscated content from further analysis.
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Muhammad Amin,Masood Mehmood,Ramaswamy Ramaswamy,Madhusudan Challa,Shrikrishna Karandikar +4 more
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TL;DR: In this paper, a system features analysis circuitry and detection circuitry, which is communicatively coupled to and remotely located from the analysis circuitry, and a virtual execution logic is configured to monitor for behaviors, during the processing of the first object, and determine whether any or all of the monitored behaviors correspond to activities indicative that the first objects associated with a malicious attack.
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TL;DR: In this article, a computerized method is described to detect a malicious object through its attempt to utilize reflection, where the first analysis involves analysis of the content of the object by a static analysis engine, and the second analysis is conducted to determine whether the object is malicious.
88
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