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Static disassembly is used to analyze program control flow that is the key process of reverse analysis. Aiming at the problem that attackers are always using static disassembly to analyze control transfer instructions and control flow graph, a mixed obfuscation of overlapping instruction and self-modify code based on hyper-chaotic opaque predicates is proposed, jump offsets in overlapping instructions...
Due to the problem of semantic lost when extracting birthmark with k-gram algorithm, the operand stack dependence based static software birthmark is proposed in this paper. Before the birthmark extraction, the stack dependence bytecode fragments are got through analysis the stack dependence relation of stack behaviors in Java program. The birthmark is comprised of the stack dependence bytecode fragments...
Software birthmarking is a new technique used to detect the theft of programs. In the technique, a software birthmark is the inherent invariable features of a program that can be used to identify the program. Some typical semantics-preserving transformations will have a significant impact on order and frequency of instructions in programs. By introducing dataflow analysis techniques, dependencies...
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