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中文摘要：
内核rookits攻击对内核的完整性构成致命威胁,因此对内核rootkits防护是内核完整性保护的重点。当前研究主要侧重于内核rootkits探测和防护,不足之处在于：1）rootkits防护存在单一保护模式;2）内核rootkits探测只能做探测使用,即便发现内核已经受到攻击,也无能为力。鉴于这种情况,该文设计了一种内核完整性保护方法,采用安全认证保护和探测恢复两种方式（TWPos）保护操作系统,同时具备探测和防护能力,即便内核受到攻击也能进行恢复。实验表明,TWPos系统既能全面有效的防护,而且又不牺牲系统性能,并且兼容多种OS系统。
英文摘要：
Kernel-level rootkits attacks pose a deadly threat to kernel integrity, and kemel rootkits is currently a research focus, primarily focused on kernel-level rootkits detection and rootkits protection. However, these studies are always flawed： the rootkits protection presents a single protected mode; kernel-level rootkits detection can only do the detection use, even if the kernel has been found to be attacked, there is no method to solve. Give this situation, we design a two-mode protection operation system （TWPos）, this is, a kernel-level integrity protection method along with detection and protection capability, even if the kernel is already under attack, TWPos also recoveries kernel integrity. The experiments show that TWPos is a comprehensive and effective protection system without sacrificing system performance for the price, and is compatible with a variety of OS systems.
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