Currently, the construction of concealed malicious code has become a trend, and attackers try to use this to hide their attack intentions. However, the building of stealthy malware is still unable to counter the reverse analysis of security experts. In response to this problem , this paper models a class of malware with  "unbreakable" security attributes--UBM (UnBreakable Malware). We have systematically studied such threats from models, methods, experiments , evaluations, and defenses . Specifically, first, we conducted a formal definition and security attribute research on UBM. We proposed two key characteristics that must be met in order to achieve "unbreakable" security attributes and their corresponding evaluationquaternions. Second, we summarized and implemented four algorithms that can be used to construct UBM, and verified the " unhackable " security attributes based on the evaluation of the two key features. Furthermore, we completed the construction of UBM using the implementation of four verified algorithms and proved the practical applicability of UBM by calculating the volume increment and analyzing the actual counter defense capabilities . Finally, for UBM, a new threat to cyberspace, this article discusses possible defense measures and hopes to promote the establishment of a corresponding defense system .
Constructing stealthy malware has gained increasing popularity among cyber attackers to conceal their malicious intent. Nevertheless, the constructed stealthy malware still fails to survive the reverse engineering by security experts. Therefore , this paper modeled a type of malware with an "unbreakable" security attribute-unbreakable malware (UBM) , and made a systematical probe into this new type of threat through modeling, method analysis, experiments, evaluation and anti-defense capacity tests . Specifically, we first formalized the definition of UBM and analyzed its security attributes, put forward two core features that are essential for realizing the "unbreakable" security attribute, and their relevant tetrad for evaluation. Then, we worked out and implemented four algorithms for constructing UBM, and verified the " unbreakable " security attribute based on our evaluation of the abovementioned two core features. After that, the four verified algorithms were employed to construct UBM instances, and by analyzing their volume increment and anti-defense capacity, we confirmed real-world applicability of UBM . Finally, to address the new threats incurred by UBM to the cyberspace, this paper explored some possible defense measures , with a view to establishing defense systems against UBM attacks .
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Currently, the construction of concealed malicious code has become a trend, and attackers try to use this to hide their attack intentions. However, the building of stealthy malware is still unable to counter the reverse analysis of
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