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With the popularity of embedded devices, especially smart phones, a growing attention has been paid to their programs' security. Many viruses on PC platforms migrated to embedded device have brought new threats to the security of the embedded platform. ROP (Return-Oriented Programming) attack is one of them. At the same time, traditional protective measures on PC platform tend to lose effect in embedded...
As the proposition of the idea of Return-Oriented Programming (ROP), programs will face new challenges from viruses, and many of current defense measures will be ineffective. With fine granularity, covert virus features, deliberate and sophisticated construction and rare static characteristics, ROP attack can circumvent many traditional defense measures and its variant Jump-Oriented Programming (JOP)...
Fuzzing was successfully used to discover security bugs in popular programs, though released without source code. It becomes a major tool in security analysis, but needs large input space, ineffective. This paper presents a new method for the identification of vulnerabilities in executable program called GAFuzzing (genetic algorithm fuzzing), which combines static and dynamic analysis to extend random...
To update a performance model, its parameter values must be updated, and in some applications (such as autonomic systems) tracked continuously over time. Direct measurement of many parameters during system operation requires instrumentation which is impractical. Kalman filter estimators can track such parameters using other data such as response times and utilizations, which are readily observable...
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