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Illegal code reuse has become a serious threat to the software community. Identifying similar or identical code fragments becomes much more challenging in code theft cases where plagiarizers can use various automated code transformation or obfuscation techniques to hide stolen code from being detected. Previous works in this field are largely limited in that (i) most of them cannot handle advanced...
Identifying similar or identical code fragments becomes much more challenging in code theft cases where plagiarizers can use various automated code transformation techniques to hide stolen code from being detected. Previous works in this field are largely limited in that (1) most of them cannot handle advanced obfuscation techniques; (2) the methods based on source code analysis are less practical...
We propose STILL, a generic defense based on Static Taint and Initialization analyses, to detect exploit code embedded in data streams/requests targeting at various Internet services such as Web services. STILL first blindly disassembles each request, generates a (probably partial) control flow graph, and then uses novel static taint and initialization analysis algorithms to determine if strong evidence...
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