Detecting illegal system calls using a data-oriented detection model
Abstract
The most common anomaly detection mechanisms at application level consist in detecting a deviation of the control-flow of a program. A popular method to detect such anomaly is the use of application sequences of system calls. However, such methods do not detect mimicry attacks or attacks against the integrity of the system call parameters. To enhance such detection mechanisms, we propose an approach to detect in the application the corruption of data items that have an influence on the system calls. This approach consists in building automatically a data-oriented behaviour model of an application by static analysis of its source code. The proposed approach is illustrated on various examples, and an injection method is experimented to obtain an approximation of the detection coverage of the generated mechanisms.
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